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William M. Ciesla's Images

Title: Owner
Organization: Forest Health Management International
Unit: Fort Collins, CO.
Country: United States

Bill Ciesla is a forest health specialist and owner of Forest Health Management International, a consulting company based in Fort Collins, CO. Bill received his undergraduate and graduate degrees in forestry and forest entomology from the State University of New York, College of Environmental Science and Forestry at Syracuse University, Syracuse, NY. He has held assignments with USDA Forest Service as a forest entomologist and forest health program manager in Asheville, NC, Pineville, LA, Missoula, MT, Davis, CA, Fort Collins, CO and Portland, OR. From 1990 to 1995, he served as Forest Protection Officer for the Food and Agriculture Organization in Rome, Italy. His areas of interest include biology and management of forest insects and diseases and the use of remote sensing for forest damage assessment Bill is an avid photographer, specializing in close ups of insects and wildflowers and of forest damage.

1,865 Images of 617 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5493332 sugar apple Annona squamosa
5493331 sugar apple Annona squamosa
2156007 heartleaf Hexastylis spp.
5466812 pine tortoise scale Toumeyella parvicornis
5466813 pine tortoise scale Toumeyella parvicornis
5466814 pine tortoise scale Toumeyella parvicornis
0758244 Douglas-fir beetle Dendroctonus pseudotsugae Summary of tree and volume loss estimates for a Douglas-fir beetle outbreak in the North Fork Clearwater River drainage, ID based on aerial photo and ground surveys.
0758231 forest tent caterpillar Malacosoma disstria Map made of defoliation by forest tent caterpillar relative to experimental spray blocks, Mobile River Basin, AL.
0758240 Douglas-fir beetle Dendroctonus pseudotsugae Map of land ownerships in the area affected by the 1971-73 Douglas-fir beetle outbreak in the North Fork Clearwater River area.
0758241 Douglas-fir beetle Dendroctonus pseudotsugae Map showing location of aerial photo and ground sample plots used to assess the 1971 Douglas-fir beetle outbreak in the North Fork Clearwater River drainage, ID.
0758242 Douglas-fir beetle Dendroctonus pseudotsugae Regression lines of aerial photo vs ground counts of number of trees and volume affected, 1971 Douglas-fir beetle outbreak, North Fork Clearwater River, ID.
0758243 Douglas-fir beetle Dendroctonus pseudotsugae Estimates of number of trees and volume lost due to two years of Douglas-fir beetle infestation based on aerial photo/ground surveys, North Fork Clearwater River, ID.
1254081 ponderosa pine Pinus ponderosa Normal needle cast on ponderosa pine in autumn.
1309007 oak rough bulletgall wasp Disholcaspis quercusmamma Galls, Fort Collins, CO.
2122049 poplar twiggall fly Hexomyza schineri Galls, Fort Collins, CO.
2167032 shaggy fleabane Erigeron pumilus
1254061 galls Galls on foliage, Fort Collins, CO.
2122020 cooley spruce gall adelgid Adelges cooleyi Gall
3948076 mistletoes Tapinanthus spp. Close up of foliage and flowers, south of Mombasa, Kenya
2122021 cooley spruce gall adelgid Adelges cooleyi Gall. Fort Collins, CO
3943079 Asian chestnut gall wasp Dryocosmus kuriphilus Galls on branches
1428035 impala Aepyceros melampus Africa
1428047 wildebeest Connochaetes taurinus
1428064 cheetah Acinonyx jubatus Cheetah sitting on anthill.
1428060 Thompson's gazelle Gazella thomsonii Africa
1428053 hippopotamus Hippopotamus amphibius Ngorongoro Crater, Africa
1428068 African Elephant Loxodonta africana Africa
1428067 reticulated giraffe Giraffa camelopardalis reticulata
1428071 yellow-spotted hyrax Heterohyrax brucei Africa
1428134 capybara Hydrochaeris hydrochaeris Capibara leaving a mud wallow. Pantanal region
1428139 caiman Caiman spp. Large number resting in water hyacinth
1428063 grey crowned crane Balearica regulorum Pair of golden crowned cranes in pond. Golden crowned cranes are Uganda's national bird.
1428036 impala Aepyceros melampus Africa
1428141 Jabiru storks Jabiru mycteria Large flock at edge of river, Pantanal, Matto Grosso State
1428038 hartbebeest Alcelaphus buselaphus Africa
1428070 vervet monkey Chlorocebus aethiops Adult male. Africa
1428039 vervet monkey Chlorocebus aethiops Africa
1428055 leopard Panthera pardus Leopard "hanging out" in an acacia tree
1428043 waterfalls Nyshururu Falls
1428076 American bison Bison bison
1428062 lion Panthera leo Old lion drinking water, Africa
3948034 people Women carrying ground millet
5466843 spruce beetle Dendroctonus rufipennis
5466844 spruce beetle Dendroctonus rufipennis
5466845 spruce beetle Dendroctonus rufipennis
5466851 spruce beetle Dendroctonus rufipennis
5466852 spruce beetle Dendroctonus rufipennis
5466853 spruce beetle Dendroctonus rufipennis
5466861 spruce beetle Dendroctonus rufipennis
5466860 spruce beetle Dendroctonus rufipennis
5466807 oleander aphid Aphis nerii
5466847 spruce beetle Dendroctonus rufipennis callow adults
5466848 spruce beetle Dendroctonus rufipennis Callow adults
5466823 mountain pine beetle Dendroctonus ponderosae
5466820 mountain pine beetle Dendroctonus ponderosae
5466821 mountain pine beetle Dendroctonus ponderosae
5466795 pinyon ips Ips confusus
5466796 pinyon ips Ips confusus
5466797 Ips engraver beetles Ips spp.
5466792 pinyon ips Ips confusus
5466793 pinyon ips Ips confusus
5466794 pinyon ips Ips confusus
5466805 oleander aphid Aphis nerii
5466771 giant conifer aphids Cinara spp.
5466772 giant conifer aphids Cinara spp.
5466809 long-horned beetle Leptura propinqua
5466768 giant conifer aphids Cinara spp.
5466769 giant conifer aphids Cinara spp.
5466770 giant conifer aphids Cinara spp.
5466857 spruce beetle Dendroctonus rufipennis
5466810 widow skimmer Libellula luctuosa
5466811 widow skimmer Libellula luctuosa
5466790 elm leaf beetle Xanthogaleruca luteola
5466865 western spruce budworm Choristoneura freemani
5466871 western spruce budworm Choristoneura freemani
5466872 western spruce budworm Choristoneura freemani
5466873 western spruce budworm Choristoneura freemani
5466866 western spruce budworm Choristoneura freemani
5466867 western spruce budworm Choristoneura freemani
5466868 western spruce budworm Choristoneura freemani
5466869 western spruce budworm Choristoneura freemani
5466870 western spruce budworm Choristoneura freemani
5466766 american ermine moth Yponomeuta multipunctella
5466767 american ermine moth Yponomeuta multipunctella
5466762 mapleleaf viburnum Viburnum acerifolium
5466763 mapleleaf viburnum Viburnum acerifolium
5466764 hobblebush Viburnum lantanoides
5466761 sweet wakerobin Trillium vaseyi
5466757 painted trillium Trillium undulatum
5466758 painted trillium Trillium undulatum
5466759 sweet wakerobin Trillium vaseyi
5466752 illscented wakerobin Trillium rugelii
5466753 illscented wakerobin Trillium rugelii
5466754 jeweled wakerobin Trillium simile
5466756 painted trillium Trillium undulatum
5466751 illscented wakerobin Trillium rugelii
5466750 yellow wakerobin Trillium luteum
5466748 yellow wakerobin Trillium luteum
5466749 yellow wakerobin Trillium luteum
5466743 wakerobin Trillium erectum var. erectum
5466744 wakerobin Trillium erectum var. erectum
5466745 white trillium Trillium grandiflorum
5466736 feathery false lily of the valley Maianthemum racemosum ssp. racemosum
5466738 little sweet betsy Trillium cuneatum
5466739 little sweet betsy Trillium cuneatum
5466740 little sweet betsy Trillium cuneatum
5466731 mayapple Podophyllum peltatum
5466728 Canadian lousewort Pedicularis canadensis
5466727 Canadian lousewort Pedicularis canadensis
5466724 partridgeberry Mitchella repens
5466721 eastern tent caterpillar Malacosoma americanum
5466722 eastern tent caterpillar Malacosoma americanum tent
5466723 eastern tent caterpillar Malacosoma americanum tent
5466717 mountain magnolia Magnolia fraseri
5466718 mountain magnolia Magnolia fraseri
5466719 eastern tent caterpillar Malacosoma americanum
5466720 eastern tent caterpillar Malacosoma americanum
5466716 highland doghobble Leucothoe fontanesiana
5466703 yellow mandarin Prosartes maculata
5466701 American squawroot Conopholis americana
5466699 loopers Chrysodeixis spp.
5466700 loopers Chrysodeixis spp.
5466696 tuliptree silkmoth Callosamia angulifera
5466694 crossvine Bignonia capreolata
5466695 crossvine Bignonia capreolata
5466692 Jack in the pulpit Arisaema triphyllum
5466693 Jack in the pulpit Arisaema triphyllum
5466689 rue anemone Thalictrum thalictroides
5466688 wood anemone Anemone quinquefolia
5466726 speckled green fruitworm Orthosia hibisci
5466734 fire pink Silene virginica
5466737 heartleaf foamflower Tiarella cordifolia
5466707 yellow trout lily Erythronium americanum
5466704 greenstriped mapleworm Dryocampa rubicunda
5466705 greenstriped mapleworm Dryocampa rubicunda
5466702 flowering dogwood Cornus florida
5466697 eastern sweetshrub Calycanthus floridus
5466698 eastern sweetshrub Calycanthus floridus
5466765 hobblebush Viburnum lantanoides
5466755 painted trillium Trillium undulatum
5466760 sweet wakerobin Trillium vaseyi
5466746 white trillium Trillium grandiflorum
5466735 fire pink Silene virginica
5466732 flame azalea Rhododendron calendulaceum
5466733 bouncingbet Saponaria officinalis
5466729 fernleaf phacelia Phacelia bipinnatifida
5466730 mayapple Podophyllum peltatum
5466725 showy orchid Galearis spectabilis
5466713 wild geranium Geranium maculatum
5466714 thymeleaf bluet Houstonia serpyllifolia
5466715 blueflag iris Iris versicolor
5466708 yellow trout lily Erythronium americanum
5466712 wild geranium Geranium maculatum
5466706 poor-robin fleabane Erigeron pulchellus
5466690 red columbine Aquilegia canadensis
5466691 red columbine Aquilegia canadensis
5461652 root lifting, soil heaving, and windthrow spruce
5461653 root lifting, soil heaving, and windthrow spruce
5460153 mistletoe Ligaria cuneifolia
5460151 mistletoe Ligaria cuneifolia
5460147 mistletoe Ligaria cuneifolia
5460148 mistletoe Ligaria cuneifolia
5460149 mistletoe Ligaria cuneifolia
5460150 mistletoe Ligaria cuneifolia
5460152 mistletoe Ligaria cuneifolia
5461561 armored scales Leucaspis spp.
5461649 European spruce bark beetle Ips typographus parasitized
5461645 European spruce bark beetle Ips typographus
5461646 European spruce bark beetle Ips typographus
5461647 European spruce bark beetle Ips typographus
5461648 European spruce bark beetle Ips typographus
5461644 European spruce bark beetle Ips typographus
5461642 European spruce bark beetle Ips typographus callow adult
5461643 European spruce bark beetle Ips typographus callow adult
5461638 European spruce bark beetle Ips typographus
5461639 European spruce bark beetle Ips typographus
5461640 European spruce bark beetle Ips typographus
5461641 European spruce bark beetle Ips typographus
5461636 European spruce bark beetle Ips typographus exit holes
5461637 European spruce bark beetle Ips typographus
5461635 European spruce bark beetle Ips typographus
5461634 European spruce bark beetle Ips typographus
5461631 horse chestnut leafminer Cameraria ohridella
5461557 eucalyptus weevil Gonipterus scutellatus
5460097 acacia Acacia spp.
5461558 eucalyptus weevil Gonipterus scutellatus
5461632 horse chestnut leafminer Cameraria ohridella
5461629 horse chestnut leafminer Cameraria ohridella
5461630 horse chestnut leafminer Cameraria ohridella
5461555 crybabytree Erythrina crista-galli
5461556 crybabytree Erythrina crista-galli
5460140 Bolivian fuchsia Fuchsia boliviana
5460138 cactus Echinopsis atacamensis ssp. pasacana
5460139 cactus Echinopsis atacamensis ssp. pasacana
5460137 cactus Echinopsis atacamensis ssp. pasacana
5460131 cactus Echinopsis atacamensis ssp. pasacana
5460129 cactus Echinopsis atacamensis ssp. pasacana
5460133 cactus Echinopsis atacamensis ssp. pasacana
5460135 cactus Echinopsis atacamensis ssp. pasacana
5460184 zephyrlily Zephyranthes spp.
5461562 passionflower Passiflora spp.
5461565 airplant Tillandsia aeranthos
5461563 airplant Tillandsia aeranthos
5461564 airplant Tillandsia aeranthos
5460162 prickly pear Opuntia sulphurea
5460161 prickly pear Opuntia sulphurea
5460160 prickly pear Opuntia sulphurea
5461560 herbert's iris Herbertia pulchella
5461559 prairienymph Herbertia lahue
5460099 begonia Begonia boliviensis
5460100 begonia Begonia boliviensis
5460096 acacia Acacia spp.
5460181 andean condor Vultur gryphus
5460182 andean condor Vultur gryphus
5460179 vicugna Vicugna vicugna
5460177 vicugna Vicugna vicugna
5460175 vicugna Vicugna vicugna
5460173 vicugna Vicugna vicugna
5460110 paradise poinciana Caesalpinia gilliesii
5460104 paradise poinciana Caesalpinia gilliesii
5460103 paradise poinciana Caesalpinia gilliesii
5460171 white-flowered spiderwort Tradescantia fluminensis
5460170 hairy nightshade Solanum physalifolium
5460165 Mexican palo-verde Parkinsonia aculeata
5460166 Mexican palo-verde Parkinsonia aculeata
5460164 Mexican palo-verde Parkinsonia aculeata
5460143 black poui Jacaranda mimosifolia
5460146 weeping lantana Lantana montevidensis
5460142 black poui Jacaranda mimosifolia
5460107 canna Canna spp.
5460108 canna Canna spp.
5175078 striated broom Cytisus striatus Seed pods
5175079 striated broom Cytisus striatus Seed pods
1587050 spruce beetle Dendroctonus rufipennis spruce beetle mortality
1587031 pine engraver Ips pini PP topkilled by Ips pini
1546169 checkered beetle Thanasimus dubius Larva of the predator clerid (probably Thanasimus dubius) working through the galleries bored by the southern pine beetle, Dendroctonus frontalis, searching for prey.
1274018 pinyon ips Ips confusus Heavy mortality. Mesa Verde N.P., CO. 3rd place in the Southern Forest Insect Work Conference Photo Slaon in the category of Forest Insect Damage.
1274016 Tetrio sphinx Pseudosphinx tetrio This insect is a common defoliator of frangipani and also reportedly occurs in the extreme southern United States (southern LA, TX, AZ and FL.). Plymouth, Tobago (Trinidad and Tobago). 2nd place in the 2004 Southern Forest Insect Work Conference Photo Salon in the category of Forest Insects.
3948019 white muscadine disease Beauveria bassiana Larva killed by the fungus Beauvaria bassiana while on Pinus keysia
3948020 white muscadine disease Beauveria bassiana Larva killed by the fungus, Beauvaria bassiana while on Pinus keysia
1428042 Masai Masai woman in native dress.
1546194 southern pine beetle Dendroctonus frontalis aerial view of a southern pine beetle infestation
1546001 small southern pine engraver Ips avulsus Upper crown of longleaf pine killed by Ips avulsus.
2156017 Kousa dogwood Cornus kousa
5176020 little blue heron Egretta caerulea Adult bird in water, Bonaire
1254018 red-legged buprestis Buprestis rufipes
2167052 plains pricklypear Opuntia polyacantha
2167053 plains pricklypear Opuntia polyacantha
0017076 research facility EMBRAPA Research headquarters
0017074 research facility EMBRAPA laboratory
5382464 cicada Platypedia putnami
5382443 mountain pine beetle Dendroctonus ponderosae Aerial view of fresh attacks in ponderosa pine amid older dead lodgepole pines, Colorado State Forest
5382395 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality
5382384 spruce broom rust Chrysomyxa arctostaphyli Spores on infected foliage
0758053 remote sensing Color infrared aerial photo taken from a U-2 of forest treated for control of gypsy moth. Treatment was of poor quality and area has gray streaks of defoliation due to inadequate coverage.
0758055 remote sensing Color infrared aerial photo taken over southern PA with a U-2 showing broadleaf forests (bright red) and conifer plantations (dark red brown
0758057 remote sensing Color IR aerial photo taken from a U-2
0758058 remote sensing Color infrared aerial photo taken from a U-2 aircraft showing the Three Mile Island nuclear power complex.
0758059 remote sensing Color infrared aerial photo of Mason-Dixon line separating PA and MD. This appears as a straight line created by land ownership and land use changes on the state boundary.
0758096 remote sensing Iris II panoramic aerial camera system used in a U-2 reconnaisance aircraft, NASA Ames Research Center.
0758097 remote sensing NASA ER-2 reconnaisance aircraft, NASA Ames Research Center.
0758067 remote sensing SPOT satellite image showing broadleaf forest (bright red) and conifer plantations (dark red brown).
0758098 remote sensing NASA ER-2 reconnaisance aircraft in flight
0758099 remote sensing Field stereo viewer designed by William Klein, USDA Forest Service, for viewing panoramic aerial photos in the field.
5382336 spearleaf stonecrop Sedum lanceolatum ssp. lanceolatum
0758011 western tiger swallowtail Papilio rutulus Adult on iris leaf
0758012 crimson patched longwing Heliconius erato petiverana Adult at rest on foliage
0758110 Ips engraver beetles Ips spp. Aerial view of scattered tree mortality in longleaf pine.
0758111 Ips engraver beetles Ips spp. Aerial view of scattered tree mortality.
5382372 Iberian knapweed Centaurea pullata
5382373 Iberian knapweed Centaurea pullata
5382374 field chickweed Cerastium arvense ssp. strictum
5382388 Ponderosa pine needleminer Coleotechnites ponderosae Damage to foliage
5382389 Ponderosa pine needleminer Coleotechnites ponderosae Mined foliage
5382390 long-horned beetle Cosmosalia nigrolineata on cow parsnip
5382391 long-horned beetle Cosmosalia nigrolineata on cow parsnip
5382401 bigflower cinquefoil Potentilla fissa
5382418 gentian Gentiana brachyphylla
5382424 yellow rock rose Halimium calycinum
5382425 crimson-patched longwing Heliconius erato
5382428 egret heron nesting site
5382429 egret heron nesting site
5382454 Salep orchid Dactylorhiza incarnata ssp. incarnata
5382455 lady orchid Orchis purpurea
5382456 lady orchid Orchis purpurea
5382458 western tiger swallowtail Papilio rutulus on milkweed flower
5382465 cicada Platypedia putnami on mountain mahogany
5382466 cicada Platypedia putnami on mountain mahogany
5382467 cicada Platypedia putnami on mountain mahogany
5382468 Ponderosa pine needleminer Coleotechnites ponderosae discoloration due to needle mining
5382469 Ponderosa pine needleminer Coleotechnites ponderosae discoloration due to needle mining
5382470 Ponderosa pine needleminer Coleotechnites ponderosae discoloration due to needle mining
5382484 northwest fritillary Speyeria hesperis on Rocky Mountain bee plant
5382485 northwest fritillary Speyeria hesperis on Rocky Mountain bee plant
5382498 moose Alces alces Aerial view of damage to willow due to overgrazing by moose
5382499 moose Alces alces Aerial view of damage to willow caused by overgrazing by moose
5382334 ramsons Allium ursinum
5382335 ramsons Allium ursinum
5382337 flaxleaf pimpernel Anagallis monelli
5382339 common kidneyvetch Anthyllis vulneraria
5382343 European columbine Aquilegia vulgaris
5382344 European columbine Aquilegia vulgaris
5382387 salvia cistus Cistus salviifolius
5382408 threenerve fleabane Erigeron subtrinervis
5382409 wood spurge Euphorbia amygdaloides
5382419 pineywoods geranium Geranium caespitosum var. caespitosum
5382426 common cowparsnip Heracleum maximum
5382427 common cowparsnip Heracleum maximum
5382461 pestilence wort Petasites hybridus Seed pods and foliage
5382462 pestilence wort Petasites hybridus
5382463 pestilence wort Petasites hybridus
5382471 oxlip Primula elatior
5382472 birdeye primrose Primula laurentiana
5382473 birdeye primrose Primula laurentiana
5382476 anemone Anemone alpina
5382477 anemone Anemone alpina
5382494 American globeflower Trollius laxus ssp. albiflorus
5382495 European frostweed Xolantha guttata
5382496 European frostweed Xolantha guttata
3948068 flatheaded or metallic wood borer Flatheaded wood borer (Family Buprestidae) in stem, Blue Nile Valley.
3948070 long-horned beetles Roundheaded wood borer (Family Cerambycidae) in stem of Acacia nilotica, Blue Nile Valley.
3948073 Egyptian Thorn Acacia nilotica Tunnels of termites, Microtermes sp on trunk of Acacia nilotica, Blue Nile Valley.
5346098 nuclear polyhedrosis virus Nucleopolyhedrovirus N/A Larvae on quaking aspen killed by nucleopolyhedrosis virus, Sange de Cristo Range, CO, July 2007
0758018 tomato hornworm Manduca quinquemaculata Mature larva feeding on foliage
0017021 Sirex woodwasp Sirex noctilio female
0758109 Ips engraver beetles Ips spp. Bark slabs provide a source of beetles that have subsequently attacked standing trees.
0758112 Ips engraver beetles Ips spp. Aerial view of scattered tree mortality in a young pine plantation.
1254022 white pine weevil Pissodes strobi
1254023 white pine weevil Pissodes strobi Dead leader in young Engelmann spruce
5382338 American pasqueflower Pulsatilla patens Seed pods
5382340 Colorado blue columbine Aquilegia caerulea Nearly white flowered form
5382341 western red columbine Aquilegia elegantula
5382342 western red columbine Aquilegia elegantula
5382345 sudden aspen decline Aerial view of declining aspen stands
5382346 large aspen tortrix Choristoneura conflictana Aerial view of defoliation of aspen caused by the large aspen tortix
5382347 large aspen tortrix Choristoneura conflictana Aspens defoliated by large aspen tortix
5382348 defoliation due to unknown cause
5382349 defoliation due to unknown cause Aerial view of aspen defoliation due to unknown agent
5382350 defoliation due to unknown cause Aerial view of aspen defoliation due to unknown agent  
5382351 defoliation due to unknown cause Aerial view of defoliation by an unknown agent
5382352 asphodel Asphodelus albus
5382353 wind Aerial view of extensive blowdown, Pecos Wilderness
5382354 wind Aerial view of extensive blowdown
5382355 boxelder bug Boisea trivittata
5382356 boxelder bug Boisea trivittata
5382357 boxelder bug Boisea trivittata Large mass of nymphs and adults
5382358 boxelder bug Boisea trivittata Large mass of adults and nymphs
5382359 boxelder bug Boisea trivittata Adults and nymphs
5382360 boxelder bug Boisea trivittata Adults and nymphs
5382361 boxelder bug Boisea trivittata Adults and nymphs
5382362 boxelder bug Boisea trivittata
5382363 fire Aerial view of a small wildfire
5382365 Gunnison's mariposa lily Calochortus gunnisonii Purple flowered form
5382366 Gunnison's mariposa lily Calochortus gunnisonii Purple flowered form
5382367 giant red Indian paintbrush Castilleja miniata
5382368 perennial cornflower Centaurea montana
5382369 perennial cornflower Centaurea montana
5382370 red valerian Centranthus ruber
5382371 red valerian Centranthus ruber
5382375 Say stink bug Chlorochroa sayi Adult on milkweed
5382376 Say stink bug Chlorochroa sayi Adult on milkweed
5382377 large aspen tortrix Choristoneura conflictana Mature larva
5382378 large aspen tortrix Choristoneura conflictana
5382379 large aspen tortrix Choristoneura conflictana
5382380 large aspen tortrix Choristoneura conflictana Defoliation of quaking aspen
5382381 large aspen tortrix Choristoneura conflictana Mature larva
5382382 large aspen tortrix Choristoneura conflictana
5382383 spruce broom rust Chrysomyxa arctostaphyli Spores on infected foliage
5382385 spruce broom rust Chrysomyxa arctostaphyli Witches broom on spruce
5382386 spruce broom rust Chrysomyxa arctostaphyli Witches broom on spruce
5382392 tall larkspur Delphinium barbeyi
5382393 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality
5382394 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality
5382396 Douglas-fir beetle Dendroctonus pseudotsugae
5382397 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality
5382398 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation
5382399 darkthroat shootingstar Dodecatheon pulchellum
5382400 Julia Heliconian Dryas julia
5382402 orange sneezeweed Hymenoxys hoopesii Flowers and foliage
5382403 orange sneezeweed Hymenoxys hoopesii
5382404 orange sneezeweed Hymenoxys hoopesii
5382405 western pine beetle Dendroctonus brevicomis Galleries
5382433 honeylocust leafhopper Macropsis fumipennis Insects and damage to foliage
5382406 western pine beetle Dendroctonus brevicomis Tree mortality adjacent to old burn
5382407 blackhead fleabane Erigeron melanocephalus
5382410 snow-on-the-mountain Euphorbia marginata Flowers and foliage
5382411 snow-on-the-mountain Euphorbia marginata Flowers and foliage
5382412 fall webworm Hyphantria cunea Aerial view of tents and defoliation
5382413 fall webworm Hyphantria cunea Aerial view of defoliation and tents
5382414 elkweed Frasera speciosa
5382415 white fir Abies concolor Frost damage to new foliage
5382416 white fir Abies concolor Frost damage to new foliage  
5382417 white fir Abies concolor Frost damage to white fir
5382420 old man's whiskers Geum triflorum var. triflorum
5382421 old man's whiskers Geum triflorum var. triflorum
5382422 old man's whiskers Geum triflorum var. triflorum
5382423 hail Aerial view of a summer hail storm in ponderosa pine forest
5382430 blue spruce engraver Ips hunteri Aerial view of an infestation
5382431 Rocky Mountain iris Iris missouriensis
5382432 spotted deadnettle Lamium maculatum Flowers and foliage
5382475 common chokecherry Prunus virginiana Flowers and foliage
5382480 New Mexico locust Robinia neomexicana Flowers and foliage
5382434 wild bergamot Monarda fistulosa Flower and foliage
5382435 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality
5382436 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality
5382437 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality
5382438 mountain pine beetle Dendroctonus ponderosae Tree mortality
5382439 mountain pine beetle Dendroctonus ponderosae Aerial view of a thinned stand with heavy damage
5382440 mountain pine beetle Dendroctonus ponderosae Aerial view of thinned stand with heavy damage
5382441 mountain pine beetle Dendroctonus ponderosae Aerial view of heavy tree mortality
5382442 mountain pine beetle Dendroctonus ponderosae Aerial view of fresh attacks in ponderosa pine amid older dead lodgepole pines, Colorado State Forest
5382474 Parry's primrose Primula parryi
5382478 antelope bitterbrush Purshia tridentata Flowers and foliage
5382479 New Mexico locust Robinia neomexicana Flower and foliage
5382482 black-eyed susan Rudbeckia hirta
5382483 Britton's skullcap Scutellaria brittonii
5382481 delicious raspberry Rubus deliciosus
5382486 desert princesplume Stanleya pinnata
5382487 desert princesplume Stanleya pinnata
5382488 desert princesplume Stanleya pinnata
5382489 red-femured milkweed borer Tetraopes femoratus Adult on milkweed leaf.
5382490 red-femured milkweed borer Tetraopes femoratus Adult on milkweed
5382491 prairie thermopsis Thermopsis rhombifolia Flowers and foliage.
5382492 prairie thermopsis Thermopsis rhombifolia Flowers and foliage.
5382500 western spruce budworm Choristoneura freemani Defoliation of Engelmann spruce and subalpine fir
5382501 western spruce budworm Choristoneura freemani Heavy defoliation of Engelmann spruce and subalpine fir
5382502 western spruce budworm Choristoneura freemani Aerial view of defoliation of mixed conifers.
3943010 boats Dugout canoes filled with melons, Niger River
3943033 waterfalls
3948040 building Buildings used to store millet, Maggia Valley.
3948045 building Buildings used for storage of millet, western Niger
3943015 people Man selling peppers under the shade of a neem tree.
3948063 people Fisherman at sunset, Blue Nile.
3948021 people Children at school
3943073 people Burro laden with fuelwood. This is a major and non-sustainable use of juniper in the Ziarat Forest.
3948057 people Preparing tea using water stored in a cured goatskin bag, Ziarat Forest.
3948060 building Mosque
3948047 people Children of a nomadic family in desert near Ziarat.
3943074 people Group of men at edge of village drinking tea, Ziarat Forest.
3943069 people Basketweaver at work.
3943006 people Farmer with water buffalo.
3943023 art work Entrance to forestry museum
3943024 building Russian orthodox church.
3943022 art work Wooden carving at forestry museum.
1254027 western spruce budworm Choristoneura freemani
1254028 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass
1254029 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva
0017001 spiny caterpillar Ormiscodes cinnamomea defoliation
0017002 spiny caterpillar Ormiscodes cinnamomea mature larva (Note clusters of ectoparasitoides on body)
0017003 nun moth Lymantria monacha egg mass
0017004 nun moth Lymantria monacha newly hatched larvae on pine bark
0017005 nun moth Lymantria monacha defoliation
0017006 nun moth Lymantria monacha defoliation to understory
0017007 European spruce bark beetle Ips typographus
0017008 larger pine shoot beetle Tomicus piniperda
0017009 Mediterranean pine engraver beetle Orthotomicus erosus
0017010 Mediterranean pine engraver beetle Orthotomicus erosus Pinus brutia killed by Mediterranean pine beetle, Turkish Cyprus
0017011 pine processionary moth Thaumetopoea pityocampa egg mass
0017012 pine processionary moth Thaumetopoea pityocampa third instar larval colony
0017013 pine processionary moth Thaumetopoea pityocampa Defoliation by early instar larvae
0017014 pine processionary moth Thaumetopoea pityocampa tents of mature larvae
0017015 pine processionary moth Thaumetopoea pityocampa heavy defoliation
0017016 Japanese pine sawyer Monochamus alternatus maturation feeding on Pinus massoniana
0017017 Japanese pine sawyer Monochamus alternatus
0017018 Masson pine caterpillar Dendrolimus punctatus mature larva
0017019 Masson pine caterpillar Dendrolimus punctatus egg masses
0017020 Masson pine caterpillar Dendrolimus punctatus defoliation
0017022 Sirex woodwasp Sirex noctilio male
0017023 Sirex woodwasp Sirex noctilio and larval tunnels
0017024 Sirex woodwasp Sirex noctilio Exit holes
0017026 Sirex woodwasp Sirex noctilio A technician injects an herbicide into a supressed pine to serve as a trap tree for monitoring low level populations
0017027 Sirex woodwasp Sirex noctilio Perti dish containing a culture of a parasitic nematode used for bio control.
0017028 Sirex woodwasp Sirex noctilio A culture of parasitic nematode
0017029 Sirex woodwasp Sirex noctilio A technician punches holes in an infested tree to prepare it for inoculation with parasitic nematode.
0017030 Sirex woodwasp Sirex noctilio A technician injects a suspension of parasitic nematode into a infested tree
0017031 loblolly pine Pinus taeda plantation
0017032 loblolly pine Pinus taeda plantation
0017034 Sirex woodwasp Sirex noctilio Aero Boero aircraft used for aerial sketchmapping of damage
0017035 paper mill Aerial view of Cellucat paper mill, near Lages, Santa Catarina State, Brazil
0017036 fire Aerial view of a plantation damaged by fire
0017037 loblolly pine Pinus taeda Aerial view of pine plantations
0017038 loblolly pine Pinus taeda Aerial view of pine plantations
0017039 loblolly pine Pinus taeda Aerial view of a forest farm (fazenda) consisting of a number of pine plantations
0017040 Sirex woodwasp Sirex noctilio Aerial view of tree mortality
0017041 Sirex woodwasp Sirex noctilio Aerial view of tree mortality in plantations
0017042 Sirex woodwasp Sirex noctilio Aerial view of tree mortality in pine plantations
0017043 Sirex woodwasp Sirex noctilio Aerial view of tree moratlity in a pine plantation
0017044 Sirex woodwasp Sirex noctilio Aerial view of tree mortality in pine plantation
0017045 Sirex woodwasp Sirex noctilio
0017046 Sirex woodwasp Sirex noctilio Aerial view of tree mortality in a pine plantation
0017052 Sirex woodwasp Sirex noctilio Row thinned plantations
0017053 parana pine Araucaria angustifolia Aerial view of natural forest
0017054 loblolly pine Pinus taeda Aerial view of young pine plantations
0017056 loblolly pine Pinus taeda Aerial view of pine plantations
0017057 parana pine Araucaria angustifolia Aerial view of plantations
0017058 parana pine Araucaria angustifolia Aerial view of a natural forest dominated by Araucaria angustifolia
0017060 pine Pinus spp. Aerial view of pine plantations and natural forest
0017061 pine Pinus spp. Aerial view of pine plantation
0017062 Sirex woodwasp Sirex noctilio Aerial view of plantation with low level of tree mortality
0017063 pine Pinus spp. Aerial view of pine plantation
0017064 pinheiro-bravo Podocarpus lambertii Aerial view of forested area. Brown colored crowns are Podocarpus infected by a needle fungus
0017065 pinheiro-bravo Podocarpus lambertii Discolored foliage caused by an unknown needle fungus
0017066 pinheiro-bravo Podocarpus lambertii Close of foliage discolored by needle fungus.
0017067 pinheiro-bravo Podocarpus lambertii Close-up of foliage
0017069 Sirex woodwasp Sirex noctilio Plantation harvested because of heavy damage.
0017070 Sirex woodwasp Sirex noctilio Plantation harvested because of heavy damage.
0017077 Sirex woodwasp Sirex noctilio Erik Johnson, USDA Forest Service R-2 and Yeda Oliviera, EMBRAPA reviewing an aerial survey map of Sirex noctilio damage; EMBRAPA headquarters
0017078 Sirex woodwasp Sirex noctilio Erik Johnson, USDA Forest Service R-2 and Yeda Oliviera, EMBRAPA reviewing an aerial survey map of Sirex noctilio damage; EMBRAPA headquarters
0017080 Sirex woodwasp Sirex noctilio Erik Johnson, USDA Forest Service R-2 and Yeda Oliviera, EMBRAPA reviewing an aerial survey map of Sirex noctilio damage; EMBRAPA headquarters
0017081 giant conifer aphids Cinara spp. Infestation of an introduced conifer aphid, Florestal Mobasa.
0017082 giant conifer aphids Cinara spp. Infestation of an introduced conifer aphid, Florestal Mobasa.
0017083 long-horned beetles The leaves of this plant are used for a local beverage known as yerba mate and the insect is a wood boring pest of this plant
0758001 pandora moth Coloradia pandora Two female adults on ponderosa pine
0758002 pandora moth Coloradia pandora Mature larvae feeding on ponderosa pine foliage
0758003 Pan de indio Cyttaria darwinii
0758004 ponderosa pine dwarf mistletoe Arceuthobium vaginatum Dwarf mistletoe infection on ponderosa pine
0758005 American dwarf mistletoe Arceuthobium americanum Female plant with mature fruits
0758006 aphids Aphid colony on lupine
0758007 aphids Aphid colony on chrysanthemum
0758008 whitespotted sawyer Monochamus scutellatus on stem
0758009 flower longhorn Stictoleptura canadensis
0017075 eucalyptus Eucalyptus spp. Fast growing plantation.
0758010 owl butterflies Caligo spp. Adult on banana leaf
0758019 oak rough bulletgall wasp Disholcaspis quercusmamma Galls on branches of bur oak
0758013 painted lady butterfly Vanessa cardui Adult at rest on leaves of apple
0758015 white-lined sphinx Hyles lineata Pair of moths mating
0758016 tiger moth Lophocampa ingens Close up of larval colony
0758017 black swallowtail Papilio polyxenes Mature larva feeding on parsnip foliage
0758020 cooley spruce gall adelgid Adelges cooleyi Green gall with nymphs
0758021 fir engraver Scolytus ventralis Galleries in bark of grand fir
0758022 western spruce budworm Choristoneura freemani Damage to new growth on grand fir
0758023 gypsy moth Lymantria dispar Mature larva on oak
0758024 gypsy moth Lymantria dispar Mature larva killed by a nuclearpolyhedrosis virus
0758025 gypsy moth Lymantria dispar Cluster of larvae killed by a nucleopolyhedrosis virus
0758026 gypsy moth Lymantria dispar Female adults and egg masses
0758027 gypsy moth Lymantria dispar Female adults and egg masses
0758028 gypsy moth Lymantria dispar Female adult and egg mass
0758029 gypsy moth Lymantria dispar Defoliation of oaks and other broadleaf trees
0758030 gypsy moth Lymantria dispar Defoliation of oaks and other broadleaf trees
0758031 gypsy moth Lymantria dispar Defoliation of oaks and other broadleaf trees
0758032 gypsy moth Lymantria dispar Defoliation of oaks and other broadleaf trees
0758033 gypsy moth Lymantria dispar Defoliation of oaks and other broadleaf trees
0758034 gypsy moth Lymantria dispar Oak mortality due to repeated defoliation by gypsy moth
0758035 gypsy moth Lymantria dispar Oak mortality due to repeated defoliation by gypsy moth
0758037 gypsy moth Lymantria dispar Color infrared aerial photo taken froma U-2 aircraft showing defoliation by gypsy moth
0758038 gypsy moth Lymantria dispar Color infrared aerial photo taken from a U-2 showing heavy defoliation by gypsy moth
0758040 gypsy moth Lymantria dispar A photo interpreter classifies defoliation caused by gypsy moth on panoramic aerial photos taken from a U-2 and transfers data to a map base.
0758041 gypsy moth Lymantria dispar Transferring polygons of defoliation from aerial photos to a map base.
0758042 gypsy moth Lymantria dispar GIS display of defoliation
0758043 gypsy moth Lymantria dispar GIS display of defloiation
0758045 gypsy moth Lymantria dispar Color infrared aerial photo of defoliation, taken froma U-2 aircraft
0758046 gypsy moth Lymantria dispar Color infrared aerial photo taken from a U-2 aircraft showing defoliation by gypsy moth. Outlined area was sprayed for gypsy moth control.
0758047 gypsy moth Lymantria dispar Color infrared aerial photo taken from a U-2 showing defoliation by gypsy moth. Outlined area was protected by aerial sprays.
0758048 gypsy moth Lymantria dispar GIS displays of defoliation and areas treated with aerial sprays.
0758049 gypsy moth Lymantria dispar Flight lines over eastern US for 1983 U-2 mission for mapping defoliation by gypsy moth
0758060 gypsy moth Lymantria dispar Chuck Dull, USDA Forest Service, annotates color infrared panoramic aerial photos of gypsy moth infestation area in the eastern U.S.
0758061 gypsy moth Lymantria dispar A technician annotates color infrared aerial photos taken from a U-2 aircraft of gypsy moth defoliation.
0758062 gypsy moth Lymantria dispar Test site in South PA, MD and WV where an assessment of ability to map defoliation from SPOT satellite imagery.
0758063 gypsy moth Lymantria dispar SPOT satellite image showing defoliation caused by gypsy moth (dark areas).
0758064 gypsy moth Lymantria dispar Color IR photo taken from a U-2 aircraft of gypsy moth defoliation used as reference data against which to compare SPOT classification of defoliation.
0758056 gypsy moth Lymantria dispar Color infrared aerial photo taken with a U-2 over central PA showing extensive areas of oak mortality due to successive defoliation
0758069 gypsy moth Lymantria dispar Classification of defoliation over South PA, MD and WV test site as determined from SPOT imagery.
0758070 gypsy moth Lymantria dispar Classification of defoliation over South PA, MD and WV test site as determined from color infrared aerial photos taken from a U-2 aircraft
0758071 oak wilt Ceratocystis fagacearum Group of dead Texas live oaks killed by oak wilt
0758072 Texas live oak Quercus fusiformis the host of oak wilt.
0758073 oak wilt Ceratocystis fagacearum Oak killed by oak wilt.
0758074 oak wilt Ceratocystis fagacearum Group of Texas live oaks protected from spread of fungus via root grafts by trenching
0758075 oak wilt Ceratocystis fagacearum Foliage in early stages of wilt by oak wilt disease.
0758076 oak wilt Ceratocystis fagacearum Root grafts on Texas live oak. These are the main means by which oak wilt spreads.
0758077 oak wilt Ceratocystis fagacearum Color infrared aerial photo taken from a U-2 showing patterns of forest vegetation and group of trees killed by oak wilt.
0758081 oak wilt Ceratocystis fagacearum Color infrared panoramic aerial photo taken from a U-2 showing distribution of forest vegetation and trees killed by oak wilt.
0758083 beech scale Cryptococcus fagisuga Beech tree with chlorotic foliage, a symptom of beech bark disease.
0758084 beech scale Cryptococcus fagisuga Close up of scale insect, Cryptococcus fagisuga on beech bark.
0758085 beech bark disease Nectria coccinea A technician compiles data on area infested by beech bark disease following initial stratification from color infrared aerial photos.
0758086 beech bark disease Nectria coccinea A pair of photo interpreters classify intensity of damage caused by beech bark disease on color infrared aerial photos.
0758087 beech bark disease Nectria coccinea Two photo interpreters classify damage caused by beech bark disease on color infrared aerial photos.
0758090 beech bark disease Nectria coccinea Color infrared aerial photo of a portion showing aerially visible symptoms of beech bark disease (light colored crowns)
0758091 beech bark disease Nectria coccinea Color infrared aerial photo of a portion showing aerially visible symptoms of beech bark disease (light colored crowns)
0758092 beech bark disease Nectria coccinea Portion of a color infrared aerial photo showing 2.5 acre grid overlay used to classify damage caused by beech bark disease.
0758093 beech bark disease Nectria coccinea Color aerial photo showing symptoms of beech bark disease (yellow crowns) and black locust leaf miner(brown foliage.
0758094 beech bark disease Nectria coccinea Color infrared aerial photo showing damage caused by beech bark disease (white crowns) and black locust leaf miner (brown foliage).
0758100 larch Larix spp. Section of a color infrared panoramic aerial photo taken showing larch at peak period of fall coloration (white colored crowns).
0758101 southern pine beetle Dendroctonus frontalis Two active multiple tree spots
0758102 southern pine beetle Dendroctonus frontalis Aerial view of a multiple tree spot.
0758103 southern pine beetle Dendroctonus frontalis Aerial view of fading and dead pines in a large spot.
0758104 southern pine beetle Dendroctonus frontalis Aerial view is a large infestation.
0758105 southern pine beetle Dendroctonus frontalis Aerial view of a large infestation in the Four Notch Wilderness candidate study area.
0758106 southern pine beetle Dendroctonus frontalis Aerial view of a large infestation at Four Notch Wilderness Study Area
0758107 pine engraver Ips pini Top kill caused by pine engraver
0758108 Ips engraver beetles Ips spp. Logs at a rail siding provide a source of beetles that have subsequently attacked standing trees.
0758114 forest tent caterpillar Malacosoma disstria Aerial view of defoliation of water tupelo.
0758115 forest tent caterpillar Malacosoma disstria Aerial view of defoliation of water tupelo
0758116 forest tent caterpillar Malacosoma disstria Aerial view of defoliation of water tupelo, Note - greenstrips are areas of mixed hardwood forest, a less favored host of this insect.
0758117 forest tent caterpillar Malacosoma disstria Aerial view of defoliation
0758118 forest tent caterpillar Malacosoma disstria Aerial view of defoliation.
0758119 elm spanworm Ennomos subsignaria Defoliation on mountain slope.
0758120 walkingstick Diapheromera femorata Aerial view of defoliation of hardwoods at Winding Stair Mountain
0758121 walkingstick Diapheromera femorata Aerial view of defoliation of hardwood forests at Winding Stair Mountain
0758122 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality. Nine Mile Creek
0758123 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality. Nine Mile Creek
0758124 mountain pine beetle Dendroctonus ponderosae Color aerial photo showing effect of stand density on occurrence of beetle attack. Nine Mile Creek
0758125 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Black Hills N.F., SD. This photo shows mortality caused by two generations of this insect. The yellow-green crown were attacked the previous year and the reddish brown crowns were attacked two years ago.
0758126 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality.
0758127 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality
0758128 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality.
0758129 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality. Note, this scene shows mortality caused by two generations of beetles. The yellow-green crowns were attacked one year ago and the reddish brown crowns were attacked two years ago.
0758130 mountain pine beetle Dendroctonus ponderosae Aerial view of severe tree mortality in lodgepole pine
0758131 mountain pine beetle Dendroctonus ponderosae Aerial view of severe tree mortality. The line at photo center is the US/Canada border. This photo illustrates that insects do not respect political boundaries.
0758132 mountain pine beetle Dendroctonus ponderosae Heavy infestation, Dark red crowns are lodgepole pines and yellow-orange crowns are ponderosa pines.
0758133 mountain pine beetle Dendroctonus ponderosae Heavy infestation, Dark red colored crowns are lodgepole pine and the yellow-orange crowns are ponderosa pines.
0758134 California fivespined ips Ips paraconfusus Trees with top kill from Ips attack, Rubicon River drainage.
0758135 California fivespined ips Ips paraconfusus Top kill in large ponderosa pines
0758136 bark beetles Aerial view of a bark beetle spot in ponderosa pine. The spot is the result of the combined attacks of Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage area
0758137 bark beetles Aerial view of a barkbeetle infestation, The infestation is the result of a combined attack by Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage area
0758138 bark beetles Aerial of scattered tree mortality in ponderosa pine. The infestations are the result of combined attacks of Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage area
0758139 bark beetles Aerial view of tree mortality. The infestations are the result of a combined attack of Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage area
0758140 bark beetles Aerial view of tree mortality. The attacks are a combination of Ips paraconfusus and Dendroctonus brevicomis.
0758141 bark beetles Trees killed by a combination of Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage
0758142 bark beetles Aerial view of tree mortality caused by a combination of Ips paraconfusus and Dendroctonus brevicomis.
0758143 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality, North Fork Clearwater River
0758144 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality, North Fork Clearwater River
0758145 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality, North Fork Clearwater River
0758146 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality caused by Douglas-fir beetle, North Fork Clearwater River
0758147 Douglas-fir beetle Dendroctonus pseudotsugae Tree mortality
0758148 Douglas-fir beetle Dendroctonus pseudotsugae Multiple tree spot; South Fork Clearwater River
0758149 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality
0758150 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality
1254012 smaller European elm bark beetle Scolytus multistriatus Galleries, Platt NP, OK
1254013 whitespotted sawyer Monochamus scutellatus Adult on bark, Medicine Bow NF, WY
1254014 sawyer beetles Monochamus spp. Mature larva
1254015 blackhorned pine borer Callidium antennatum hesperum
1254016 blackhorned pine borer Callidium antennatum hesperum Adult and exit hole
1254017 flatheaded or metallic wood borer Mature larva
1254019 flatheaded or metallic wood borer Adult on limb, Ochoco NF, OR.
1254020 flatheaded or metallic wood borer
1254021 bronze birch borer Agrilus anxius Galleries in cambium layer of an ornamental birch, Fort Collins, CO.
1254024 western spruce budworm Choristoneura freemani Defoliation on young grand fir, Mt. Hood NF, OR
1254025 western spruce budworm Choristoneura freemani Young larva in shoot
2500014 city View of a small village on the north slope of the Pentadactylos Mountains, northern Cyprus. Mediterranean Sea is in the background
5176004 unknown Red felt on foliage characteristic of damage by erinium mites, January 2007
5176005 unknown felt pattern on foliage characteristic of erinium mite infestation; Species unknown
5176022 unknown Leaf miner damage on roble by an unknown species
5176023 unknown Leaf miner; Species unknown
5176052 prickly pear Opuntia wentiana December 2006
5176053 prickly pear Opuntia wentiana Flower and paddles,December 2006
5176084 mixed species stands Vista of a Nothofagus sp. dominated forest, Jan 2007
5176085 mixed species stands Mixed forest dominated by Nothofagus sp.,
5382503 western tent caterpillar Malacosoma californicum Heavy defoliation on bitterbrush
5382504 western tent caterpillar Malacosoma californicum Heavy defoliation
5382505 western tent caterpillar Malacosoma californicum Defoliation of aspen
5382506 western tent caterpillar Malacosoma californicum Larval colony on mountain mahogany
5382507 western tent caterpillar Malacosoma californicum Larval colony on mountain mahogany
5382497 western balsam bark beetle Dryocoetes confusus Aerial view of tree mortality
5382444 mountain pine beetle Dendroctonus ponderosae Aerial view of attacks in both lodgepole pines (red-orange) and ponderosa pines (yellow)
5382445 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality in ponderosa and lodgepole pines, near Glen Haven
5382446 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality.  Note differences in attack density by tree size  
5382447 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Colorado State Forest
5382448 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Tennessee Mountain
5382449 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Tennessee Mountain
5382450 mountain pine beetle Dendroctonus ponderosae Aerial view of a large spot, Woodland Mountain
5382451 mountain pine beetle Dendroctonus ponderosae Aerial view of a large spot, Woodland Mountain
5382452 fire Aerial view of the Nash ranch fire
5382453 tufted evening-primrose Oenothera cespitosa Flower and foliage
5382457 corn poppy Papaver rhoeas Flowers in field.  This is the poppy in the poem about Flanders Field
5176054 spiny caterpillar Ormiscodes cinnamomea Larvae migrating down stem to pupation site in soil
5176055 spiny caterpillar Ormiscodes cinnamomea Mature larvae migrating to pupation site
0758227 forest tent caterpillar Malacosoma disstria Mature larvae on stem of a water tupelo
2167055 annual pricklepoppy Argemone polyanthemos
2167054 pricklypoppy Argemone spp.
1510052 balsam woolly adelgid Adelges piceae Ground application of chemical pesticide for control of balsam woolly adelgid along roadside zone, Mt. Mitchell State Park, NC
2167056 annual pricklepoppy Argemone polyanthemos
2167057 annual pricklepoppy Argemone polyanthemos
2167058 pricklypoppy Argemone spp.
0758193 fake plants Color photo of a hanging basket of plastic vegetation against a backdrop of live vegetation
0758194 fake plants Color IR photo of a hanging basket of plastic vegetation against a backdrop of live vegetation. Note color difference between plastic and live foliage.
0758195 unknown chameleon Color photo of a green chamelion against a backdrop of green foliage
0758196 unknown chameleon Color infrared photo of a green chamelion against a backdrop of green foliage. Note difference in color between the chamelion and the foliage. This illustrates the camoflage detection capacity of color infrared film.
0758197 loblolly pine sawfly Neodiprion taedae linearis Color aerial photo of mixed pine and hardwood forests. A portion of the pine forest is defoliated by a pine sawfly, Neodiprion taedae linearis.
0758234 dam Dworsak Dam, North Fork, Clearwater River, ID
0758200 Douglas-fir tussock moth Orgyia pseudotsugata Color infrared oblique aerial photo of a forested area infested by Douglas-fir tussock moth. A portion of the area near photo center has been treated with nuclearpolyhedrosis virus for tussock moth control.
1254079 vandalism Toilet papering of landscape tree
2134025 snout beetles or weevils Heavy attack of ambrosia beetle in down tree
2134037 long-horned grasshopper camophlaged against green foliage
2134062 gulls Seaguls on pilings, Isla de Mujeres, Yucatan Peninsula, Mexico
3943087 sesame Sesamum indicum Woman hoeing sessame patch in chestnut orchard.
3948086 red pine adelgid Pineus borneri Infested branch near Muguga
5135089 long-horned beetle Adesmus hemispilus When the adults of this species are killed and preserved in a collection, they loose their yellow color and turn dull gray.
5135090 long-horned beetle Adesmus hemispilus When the adults of this species are killed and preserved in collections, they loose their yellow color and turn dull gray.
5135095 Leafwing butterflies Anaea spp. Ihla do Frades, Bahia de Todos os Santos, Salvadore, Brazil
5136051 slendertube skyrocket Ipomopsis tenuituba Blossoms, near Nederland, Colorado
5136052 slendertube skyrocket Ipomopsis tenuituba Flowers, Roosevelt NF, CO
5175060 estrellita Asteranthera ovata Flowers and foliage on mainstem of Nothofagus dombeyi, Parque Nacional Vincente Perez Roasles, X Region, Chile, Jan 2007
5175061 estrellita Asteranthera ovata Close up of flowers and foliage, Parque Nacional Vincente Perez Roasles, X Region, Chile, Jan 2007
5175062 estrellita Asteranthera ovata Close up of flowers and foliage, Parque nacional Vincente Perez Rosales, X Region, Chile
5175063 estrellita Asteranthera ovata Close up of flowers and foliage, Parque Nacional Vincente Perez Rosales, X Region, Chile
5175064 chusquea bamboo Chusquea spp. Stems and foliage, VIII Region Chile
5175071 watapana Caesalpinia coriara Windblown tree, Bonaire, Netherlands Antilles, December 2006
5176063 candle cactus Pilosocereus lanuginosus Closeup of plant, Bonaire, December 2006
5176064 candle cactus Pilosocereus lanuginosus Plant, Bonaire, December 2006
5176069 giant club cactus Cereus repandus Plant and habitat, Bonaire, December 2006
5176070 giant club cactus Cereus repandus Plant and habitat, Bonaire, December 2006
5176078 flatheaded or metallic wood borer Twig mortality caused by a twig borer of the family Buprestidae on coigue, Nothofagus dombeyi, VIII Region, Chile
5176079 flatheaded or metallic wood borer Twig mortality on Coigue, Nothofagus dombeyi, caused by an unknown twig borer of the family Buprestidae, VIII Region, Chile
5345097 sudden aspen decline Tree mortality in three aspen stands believed due to sudden aspen decline (causes unknown), near Jemez Springs, NM
5345098 sudden aspen decline
5345099 unknown Aerial view of defoliation of aspen, cause undetermined. Picuris Mtn, Carson NF, NM, July 2007
5345100 unknown Aerial view of aspen defoliation, cause undetermined. Santa Fe, NF, NM, July 2007
5346001 aspen decline Top dieback of aspen, probably due to several successive years of defoliation by western tent caterpillar, Carson NF, NM, July 2007
5346079 twinberry honeysuckle Lonicera involucrata var. involucrata Blossom, Carson NF, NM, July 2007
5347036 whites and sulfur butterfiles Sulphur butterfly; species unknown; Adult on thistle, Blue Ridge Parkway, NC, October 2008
1248033 twig beetles Pityophthorus spp. Damage to twigs caused by a pinyon pine twig beetle near Durango, CO
1248002 Tetrio sphinx Pseudosphinx tetrio Killed by virus
1254001 mountain pine beetle Dendroctonus ponderosae Pitch tubes on bark surface
2122030 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass on pupal case, near Aspen Park, CO
2122031 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass on pupal case on ponderosa pine, near Aspen park, CO, December 2005
2134034 white-striped longtail Chiodes albofasciatus Adult at rest on foliage, Baja California Sur, Mexico, December 2005
5176071 portia tree Thespesia populnea Blossom and foliage, Bonaire, December 2006
5346002 wind Aerial view of blowdown and wind breakage from a June 7, 2007 storm, Wet Mountains, CO, July 2007
5346003 wind Aerial view of spruce blowdown, Pecos Wilderness, Santa Fe, NF, NM, July 2007
5346004 wind Blowdown; Patch of blowdown from a June 7 storm, Wet Mountains, CO, July 2007
5346005 large aspen tortrix Choristoneura conflictana Rolled leaf containing larva, Culebra Range, CO, July 2007
5346006 wind Aerial view of aspen stand defoliated by high winds, Wet Mountains, CO, July 2007
5346007 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346008 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346009 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346010 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346011 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Santa Clara Canyon, Santa Clara Indian Reservation, NM, July 2007
5346012 fir engraver Scolytus ventralis Aerial view of tree mortality, Carson National Forest, NM, July 2007
5346013 hail Foliar damage to a stand of gambel oak, La Veta Pass, Culebra Range, CO
5346014 hail Damage to branches fromhail, La Veta Pass, Culebra Range, CO, July 2007
5346015 fall webworm Hyphantria cunea Aerial view of defoliation, Larimer Co, CO, August 2007
5346016 fall webworm Hyphantria cunea Aerial view of defoliation, Larimer Co, CO
5346017 fall webworm Hyphantria cunea Aerial view of defoliation, Larimer Co, CO, August 2007
5346018 pine engraver Ips pini Aerial view of tree mortality following fire damage, Carson NF, NM, July 2007
5346019 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Berthoud Pass, CO, July 2007
5346020 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Eldora Ski Area, Boulder Co, CO, August 2007
5346021 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Boulder Co, CO, August 2007
5346022 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Boulder Co, CO, August 2007
5346023 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Sange de Cristo Range, CO, July 2007
5346024 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Bear Lake, Rocky Mountain National Park, CO, August 2007
5346025 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Bear Lake, Rocky Mountain NP, CO, August 2007
5346026 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Colorado State Forest, CO, August 2007
5346027 mountain pine beetle Dendroctonus ponderosae Tree mortality near Long Draw Reservior,Roosevelt NF, CO, August 2007
5346028 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Tennessee Mtn, Boulder Co, CO, August 2007
5346029 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Tennessee Mtn, Boulder Co, CO, August 2007
5346030 Douglas-fir tussock moth Orgyia pseudotsugata Heavy defoliation, Douglas Co, CO, August 2007
5346031 ponderosa pine Pinus ponderosa Mature forest, Carson NF,NM,July 2007
5346032 red belt abiotic damage Aerial view of damage, La Veta Pass, Culebra Range, CO, July 2007
5346033 red belt abiotic damage Aerial view of damage near La Veta Pass, Culebra Range, CO, July 2007
5346034 red belt abiotic damage La Veta Pass, Culebra Range, CO, July 2007
5346035 fir engraver Scolytus ventralis Aerial view of scattered tree mortality, Wet Mountains, Colorado, July 2007
5346036 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality, Rawah Range, CO, August 2007
5346037 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality caused by spruce beetle, Rawah Range, CO, August 2007
5346038 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality caused by spruce beetle, Rawah Range, CO, August 2007
5346039 spruce beetle Dendroctonus rufipennis Aerially view of old tree mortality, Rawah Range, Colorado, August 2007
5346040 western spruce budworm Choristoneura freemani Aerial view of defoliation, near La Veta Pass, Culebra Range, CO, July 2007
5346041 western spruce budworm Choristoneura freemani Close up of bud damage and defoliation of new growth
5346042 western spruce budworm Choristoneura freemani Aerial view of defoliation of Douglas-fir and white fir, Carson NF, NM, July 2007
5346043 western spruce budworm Choristoneura freemani Heavy defoliation of Subalpine fir and Engelmann spruce, Carson NF, July 2007
5346044 western tent caterpillar Malacosoma californicum Complete defoliation of aspen, Culebra Range, CO, July 2007
5346045 western tent caterpillar Malacosoma californicum Aerial view of defoliation of quaking aspen, Cucharas ski area, Culebra Range, CO, July 2007
5346046 western tent caterpillar Malacosoma californicum Defoliation of aspen, Culebra Range, San Isabel NF, CO, July 2007
5346047 western tent caterpillar Malacosoma californicum Defoliation of aspen, Mousca Pass, Sangre de Cristo Range, CO, July 2007
5346048 western tent caterpillar Malacosoma californicum Defoliaton of aspen, Mousca Pass, Sangre de Cristo Range, Colorado, July 2007
5346049 western tent caterpillar Malacosoma californicum Defoliation of aspen near Mousca Pass, Sangre de Cristo Range, CO, July 2007
5346050 western tent caterpillar Malacosoma californicum Aerial view of aspen defoliation, North Purgatory River, San Isabel National Forest, CO, July 2007
5346051 western tent caterpillar Malacosoma californicum Aerial view of defoliation of aspen, Sange de Cristo Range, Colorado, July 2007. Open swath is a recent avalance chute.
5346052 western tent caterpillar Malacosoma californicum Heavy defoliation of quaking aspen, North Purgatory River, San Isabel National Forest, CO
5346053 American pasqueflower Pulsatilla patens Blossoms, Red Feather Lakes, Larimer Co, CO, 2007
5346054 American pasqueflower Pulsatilla patens Blossoms, Red Feather Lakes, Larimer County, CO, April 2007
5346055 American pasqueflower Pulsatilla patens Blossoms, Red Feather Lakes, Larimer Co, CO, April 2007
5346056 Colorado blue columbine Aquilegia caerulea Blossom, San Isabel National Forest, CO, July 2007
5346057 Colorado blue columbine Aquilegia caerulea Blossoms, near Chucharas Pass, CO, July 2007
5346058 hairy clematis Clematis hirsutissima Blossom, San Isabel NF, CO, July 2007
5346059 hairy clematis Clematis hirsutissima Blossom, San Isabel NF, CO, July 2007
5346060 Rocky Mountain beeplant Cleome serrulata Blossom, Phantom Canyon, near Florence, CO, July 2007
5346061 Rocky Mountain beeplant Cleome serrulata Blossoms, Phantom Canyon near Florence, CO, July 2007
5346062 darkthroat shootingstar Dodecatheon pulchellum Blossoms, San Isabel NF, CO
5346063 sanddune wallflower Erysimum capitatum Blossoms, San Isabel NF, CO, July 2007
5346064 elkweed Frasera speciosa Blossoms, Cucharas Pass, Spanish Peaks, CO, July 2007
5346065 scarlet gilia Ipomopsis aggregata Blossoms, San Isabel NF, CO, July 2007
5346066 Rocky Mountain iris Iris missouriensis Blossom, near Kenosha Pass, CO, July 2007
5346067 Rocky Mountain iris Iris missouriensis Blossom, Near Kenosha Pass, CO, July 2007
5346068 walkingstick cholla Opuntia imbricata Blossom, Phantom Canyon near Florence, CO, July 2007
5346069 walkingstick cholla Opuntia imbricata Blossom, Phantom Canyon near Florence, CO, July 2007
5346070 oneside penstemon Penstemon unilateralis Blossoms, San Isabel NF, CO, July 2007
5346071 New Mexico locust Robinia neomexicana Blossom, La Vita, CO, July 2007
5346072 Woods' rose Rosa woodsii Blossom, San Isabel NF, CO, July 2007
5346073 black-eyed susan Rudbeckia hirta Blossom, southern CO, July 2007
5346074 nodding onion Allium cernuum Blossoms, Carson NF, NM, July 2007
5346075 alpine leafybract aster Symphyotrichum foliaceum var. apricum Blossoms, Carson NF, NM, July 2007
5346076 Gunnison's mariposa lily Calochortus gunnisonii Blossom, Carson NF, NM, July 2007
5346077 harebell Campanula rotundifolia Blossoms, Carson NF, NM, July 2007
5346078 giant red Indian paintbrush Castilleja miniata Blossoms, Carson NF, July 2007
5346080 orange sneezeweed Hymenoxys hoopesii Blossoms, Carson NF, NM, July 2007
5346081 scarlet gilia Ipomopsis aggregata Blossoms, Carson NF, NM, July 2007
5346082 Douglas-fir tussock moth Orgyia pseudotsugata Left to Right: Female adult, egg-mass and pupal cases, Douglas Co,CO, August 2007
5346083 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva
5346084 Douglas-fir tussock moth Orgyia pseudotsugata
5346085 Douglas-fir tussock moth Orgyia pseudotsugata
5346086 Douglas-fir tussock moth Orgyia pseudotsugata
5346087 Douglas-fir tussock moth Orgyia pseudotsugata Coccons on Douglas fir branches, Douglas Co, CO, August 2007
5346088 Douglas-fir tussock moth Orgyia pseudotsugata Cocoons on Douglas-fir branches, Douglas Co, CO, August 2007
5346089 western tent caterpillar Malacosoma californicum Larvae and tent on quaking aspen, San Isabel National Forest CO, July 2007
5346090 western tent caterpillar Malacosoma californicum Cocoons on aspen, San Isabel National Forest, CO, July 2007
5346091 western tent caterpillar Malacosoma californicum Cocoons on aspen, San Isabel National Forest, CO, July 2007
5346092 western tent caterpillar Malacosoma californicum Cocoons on willow, San Isabel NF, CO, July 2007
5346093 western tent caterpillar Malacosoma californicum Mature larvae on aspen twig, San Isabel National Forest, CO, July 2007
5346094 western tent caterpillar Malacosoma californicum Mature larva on old tent, San Isabel National Forest, CO, July 2007
5347024 locust borer Megacyllene robiniae Adult on goldenrod, Shenandoah NP, VA, September 2007
5346095 western tent caterpillar Malacosoma californicum Larvae on aspen twig, San Isabel NF, CO, July 2007
5346096 western tent caterpillar Malacosoma californicum Larvae on aspen twig, San Isabel National Forest, CO, July 2007
5346097 western tent caterpillar Malacosoma californicum Mature larva on aspen bark, San Isabel NF, CO, July 2007
5346099 polyphemus moth Antheraea polyphemus Mature larva, Douglas Co, CO, August 2007
5346100 polyphemus moth Antheraea polyphemus Mature larva, Douglas Co, CO, August 2007
5347001 polyphemus moth Antheraea polyphemus Mature larva, Douglas Co, CO, August 2007
5347002 white-lined sphinx Hyles lineata Adult in flight with proboscis extended, Fort Collins, CO, July 2007
5347003 white-lined sphinx Hyles lineata Adult in flight with mouthparts extended, Fort Collins, CO, July 2007
5347004 white-lined sphinx Hyles lineata Adult in flight, Fort Collins, CO, July 2007
5347005 white-lined sphinx Hyles lineata Adult in flight, Fort Collins, CO, July 2007
5347006 soldier beetles Chauliognathus spp. Adult on rabbit brush, Larimer County, CO, September 2007
5347007 soldier beetles Chauliognathus spp. Adult beetle on rabbit brush, Larimer Co, CO, September 2007
5347008 soldier beetles Chauliognathus spp. Adult on rabbit brush, Larimer Co, CO.
5347009 common buckeye Junonia coenia Adult, Blue Ridge Parkway, NC, September 2007
5347010 monarch butterfly Danaus plexippus Adult on thistle, Blue Ridge Parkway, NC, September 2007
5347011 monarch butterfly Danaus plexippus Adult on thisle, Blue Ridge Parkway, NC, September 2007
5347012 monarch butterfly Danaus plexippus Adult on thistle, Blue Ridge Parkway, NC, September 2007
5347013 monarch butterfly Danaus plexippus Mature larva on milkweed, Shenadoah NP, VA, October 2007
5347014 monarch butterfly Danaus plexippus Mature larva on milkweed, Shenandoah NP, VA, October 2007
5347015 monarch butterfly Danaus plexippus Pupa on milkweed, Big Meadows, Shenandoah NP,VA, September 2007
5347016 eastern tiger swallowtail Papilio glaucus Adult on thistle, Blue Ridge Parkway, NC, October 2007
5347017 eastern tiger swallowtail Papilio glaucus Adult on thistle, Blue Ridge Parkway, NC, September 2007
5347018 police car moth Gnophaela vermiculata Adult on sneezeweed, Carson NF, NM, July 2007
5347019 police car moth Gnophaela vermiculata Adult on sneezweed, Carson NF, NM, July 2007
5347020 police car moth Gnophaela vermiculata Larva on foliage of Abies lasiocarpa, Wasatch NF, UT
5347021 police car moth Gnophaela vermiculata Larva on foliage of bluebell, Wasatch NF, Utah, June 2007
5347022 gulf fritillary Agraulis vanillae Adult, Clingman's Dome, Great Smoky Mountains NP, TN, September 2007
5347023 locust borer Megacyllene robiniae Adult on goldenrod, Shenandoah National Park, VA, September 2007
5347025 locust borer Megacyllene robiniae Adult on goldenrod, Shenandoah NP, VA, September 2007
5347026 locust borer Megacyllene robiniae Adult on goldenrod, Linville Gorge, NC, October 2007
5347027 Geometrid moth Nemoria diamesa Adult moth, San Isabel National Forest, CO, July 2007
5347028 Geometrid moth Nemoria diamesa Adult moth, San Isabel National Forest, CO, July 2007
5347029 large milkweed bug Oncopeltus fasciatus Adult, Larimer Co, CO, September 2007
5347030 large milkweed bug Oncopeltus fasciatus Adult, Larimer Co, CO, September 2007
5347031 large milkweed bug Oncopeltus fasciatus Adults on milkweed pod, Blue Ridge Parkway, VA, September 2007
5347032 large milkweed bug Oncopeltus fasciatus Nymphs on milkweed seed pod, Blue Ridge Parkway, VA, September, 2007
5347037 painted lady butterfly Vanessa cardui Adult on aster, Big Meadows, Shenandoah NP, VA, October 2008
5347038 painted lady butterfly Vanessa cardui Adult on aster. Larvae feed on many host plants. Big Meadows, Shenandoah NP, VA, october 2007
1428117 fall color cottonwoods at peak of fall color, Cache la Poudre River.
0758233 balsam woolly adelgid Adelges piceae Oblique color infrared aerial photo of tree mortality caused by balsam woolly adelgid, Roan Mountain, NC and TN.
1428088 mountain pine beetle Dendroctonus ponderosae Fresh fading ponderosa pine due to previous year's mountain pine beetle attack.
1428089 mountain pine beetle Dendroctonus ponderosae Fresh fading pines due to previous year's beetle attack.
1428090 Russian-olive Elaeagnus angustifolia Grove of invasive Russian olive trees in pasture.
0758235 Douglas-fir beetle Dendroctonus pseudotsugae Oblique color aerial photo of tree mortality
0758236 Douglas-fir beetle Dendroctonus pseudotsugae Oblique color aerial photo of a large infestation.
0758237 Douglas-fir beetle Dendroctonus pseudotsugae Oblique aerial photo of a large infestation.
0758238 Douglas-fir beetle Dendroctonus pseudotsugae Oblique aerial photo of tree mortality.
0758239 Douglas-fir beetle Dendroctonus pseudotsugae Trees killed by Douglas-fir beetle.
0758228 forest tent caterpillar Malacosoma disstria Color infrared aerial photo of forest tent caterpillar defoliation
0758229 forest tent caterpillar Malacosoma disstria Color infrared aerial photo of forest tent caterpillar defoliation
0758232 balsam woolly adelgid Adelges piceae Oblique color aerial photo of trees dying as a result of balsam woolly adlegid infestation, Roan Mountain, NC and TN.
0758199 Douglas-fir tussock moth Orgyia pseudotsugata Color oblique aerial photo of a Douglas-fir forest infested by Douglas-fir tussock moth. A portion of this forest has been treated with a nuclearpolyhedrosis virus for control of this insect.
0758247 pandora moth Coloradia pandora Heavy defoliation of ponderosa pine
0758248 pandora moth Coloradia pandora Heavy defoliation of ponderosa pine forests
0758254 spruce beetle Dendroctonus rufipennis Color infrared aerial photo of tree mortality
0758255 mountain pine beetle Dendroctonus ponderosae Oblique color infrared aerial photo of tree mortality
0758256 mountain pine beetle Dendroctonus ponderosae Oblique color infrared aerial photo of mountain pine beetle caused tree mortality
0758257 mountain pine beetle Dendroctonus ponderosae Color vertical aerial photo showing benefits of thinning to reduce incidence of mountain pine beetle attack.
0758201 grape Vitis spp. Color infrared aerial photo of a vineyard depicting several disease centers and the effects of soils of different water holding capacities on vine health.
0758202 grape Vitis spp. Color infrared aerial photo of a vineyard showing several centers of disease activity and the effects of soils of varying waterholding capacities on vineyard health
0758203 grape Vitis spp. Color aerial photo of a vineyard showing location of a disease center.
0758204 grape Vitis spp. Color infrared aerial photo of a vineyard showing location of a disease center.
0758205 rice Oryza sativa Color oblique aerial photo of a rice field showing results of a poor aerial application of fertilizer.
0758206 rice Oryza sativa Color infrared oblique aerial photo of a rice field showing effects of a poor quality aerial application of fertilizer.
0758207 rice Oryza sativa Oblique color aerial photo showing a rice field. Banding effect is the result of a poor quality aerial application of fertilizer.
0758208 rice Oryza sativa Oblique color infrared aerial photo of a rice field. Banding effect is due to a poor quality aerial application of fertilizer.
0758209 rice Oryza sativa Color oblique aerial photo of a rice field showing plant response due to differences in the moisture holding capacity of soils.
0758210 rice Oryza sativa Color infrared oblique aerial photo of a rice field showing plant response to differences in the water holding capacities of soils.
0758215 southern pine beetle Dendroctonus frontalis Color aerial photo of a large infestation
0758216 southern pine beetle Dendroctonus frontalis Vertical color infrared aerial photo with a southern pine beetle infestation
0758217 southern pine beetle Dendroctonus frontalis Vertical color infrared aerial photo showing placment of a 50 acre sample plot and stratification of host type for survey designed to estimate losses caused by southern pine beetle
0758219 southern pine beetle Dendroctonus frontalis Vertical color infrared aerial photo showing a large southern pine beetle infestation
0758220 southern pine beetle Dendroctonus frontalis Vertical color infrared aerial photo of a large southern pine beetle infestation (yellow-green colored crowns at photo center)
0758221 southern pine beetle Dendroctonus frontalis Color infrared aerial photo of a large southern pine beetle infestation (yellow-green colored crowns).
0758222 southern pine beetle Dendroctonus frontalis Map of the Oak Ridge Atomic Energy Reservation, TN showing placement of aerial photo plots for estimating tree mortality caused by this insect.
0758223 southern pine beetle Dendroctonus frontalis Map of the Francis Marion National Forest, SC showing placment of aerial photo sample plots used to estimate level of tree mortality.
0758224 southern pine beetle Dendroctonus frontalis Bob Bassett, USDA Forest Service, annotates color infrared aerial photos for assessment of a southern pine beetle outbreak.
0758225 southern pine beetle Dendroctonus frontalis Emmett Wilson and Bob Bassett, USDA Forest Service, annotate color infrared aerial photos for assessment of southern pine beetle outbreaks.
0758226 forest tent caterpillar Malacosoma disstria Aerial view of heavy defoliation
0758179 citrus Citrus spp. Oblique color infrared aerial photo of a citrus grove showing several occurrences of citrus disease
0758181 pine Pinus spp. Color aerial photo of a pine plantation with severe chlorosis.
0758182 pine Pinus spp. Color infrared aerial photo of a pine plantation with severe chlorosis.
0758187 pine Pinus spp. Color photo of a chlorotic and healthy pine.
0758188 pine Pinus spp. Color infrared photo of a chlortic and healthy pine
0758189 pine Pinus spp. Color infrared photo of pines in various stages of decline and dying.
0758190 pine Pinus spp. Color photo of pines in various stages of decline and dying.
0758191 shortleaf pine Pinus echinata Color photo of dead and healthy shortleaf pines.
0758192 shortleaf pine Pinus echinata Color infrared photo of dead and healthy shortleaf pines.
1244023 Torres del Paine View of the Torres del Paine, Parque Nacional Torres del Paine, Regio XII, Chile
1244024 Torres del Paine View of the Torres del Paine from Lago Nordenskjold, Parque Nacional Torres del Paine, Region XII, Chile
5176086 mountains Volcan Lonquimay, IX Region, Chile
5176087 mountains Volcan Lonquimay, IX Region, Chile
5176088 waterfalls Parque Nacional Vincente Perez Rosales, X Region, Chile
5176080 Chilean guava Ugni molinae Flowers and foliage, X Region, Chile
5176081 ulmo Eucryphia cordifolia Flowers and foliage, X Region, Chile
5176082 rivers and streams Upper Biobio River, VIII Region, Chile
5176083 rivers and streams Upper Biobio River, VIII Region, Chile
5176068 roble beech Nothofagus obliqua Tree with symptoms of decline, IX Region, Chile
5176072 small ballmoss Tillandsia recurvata Plant, Washington Slagbaai National Park, Bonaire
5176073 mistletoes Tristerix spp. Flower and foliage, VIII Region, Chile
5176074 mistletoes Tristerix spp. Flower and foliage
5176075 mistletoe Tristerix corymbosus Foliage and flowers, Santiago, Chile
5176076 mistletoe Tristerix corymbosus Flowers and foliage, Santiago, Chile
5176077 mistletoe Tristerix corymbosus Foliage and flowers
5175066 botellita Mitraria coccinea Flower and foliage, Parque Nacional Puyehue, X Region, Chile
5175067 botellita Mitraria coccinea Flowers and foliage, Chile
5175068 botellita Mitraria coccinea Flowers and foliage, southern Chile
5175069 botellita Mitraria coccinea Flower and foliage, southern Chile
1248035 iron deficiency Aerial view of urban street trees with symtoms of iron chlorosis - Loveland, CO
5176006 redclaws Escallonia rubra Flower and foliage, X Region, Chile
5176007 redclaws Escallonia rubra Flowers and foliage, X Region, Chile
5176008 redclaws Escallonia rubra Flowers and foliage, X region, Chile
5176009 fire Wildfire damage in plantations near Concepcion, Chile; mixed Pinus radiata, Eucalyptus globulus forests
5176010 fire Wildfire damage near Concepcion, Chile; mixed Pinus radiata, Eucalyptus globulus forest
5176011 fire Wildfire damage near Concepcion, Chile; mixed Pinus radiata, Eucalyptus globulus forest
5176012 Patagonian cypress Fitzroya cupressoides Large tree, Parque Nacional Andino Alerce, X Region, Chile
5176013 Patagonian cypress Fitzroya cupressoides Large tree, Parque Nacional Andino Alerce, X Region, Chile
5176014 Patagonian cypress Fitzroya cupressoides Group of trees, Parque Nacional Andino Alerce, X Region, Chile
5176015 hardy fuchsia Fuchsia magellanica Flower and foliage, X Region, Chile
5176016 hardy fuchsia Fuchsia magellanica Flowers and foliage, X Region, Chile
5176017 hardy fuchsia Fuchsia magellanica Flowers and foliage, Parque Nacional Vincente Perez Rosales, X Region, Chile
5176018 hardy fuchsia Fuchsia magellanica Flowers and foliage, Parque Nacional Vincente Perez Rosales, X Region, Chile
5176019 cotton Gossypium hirsutum Cotton as found in the wild; seed pod and foliage, Bonaire
5175080 Bonaire whiptail lizard Cnemidophorus murinus Adult lizard, Bonaire, Netherlands West Indies
5175081 Bonaire whiptail lizard Cnemidophorus murinus Adult lizard, Bonaire
5175082 Bonaire whiptail lizard Cnemidophorus murinus Adult lizard, Bonaire
5175083 seagrape Coccoloba uvifera Foliage and fruit, Bonaire
5175084 button mangrove Conocarpus erectus Large, windblown tree, Bonaire
5175085 button mangrove Conocarpus erectus Large, windblown tree, Bonaire
5175086 button mangrove Conocarpus erectus Large, windblown tree, Bonaire
5175087 white manjack Cordia dentata
5175088 Chilean lanterntree Crinodendron hookerianum Flower and foliage, X Region, Chile
5175089 Chilean lanterntree Crinodendron hookerianum Flowers and foliage, X Region, Chile
5175090 lenga Nothofagus pumilio Dieback in old forest, Termas de Chillan, VIII Region, Chile
5175091 lenga Nothofagus pumilio Dieback in high elevation forest, IX Region, Chile
5175092 lenga Nothofagus pumilio Dieback in old tree, IX Region, Chile
5175093 roble beech Nothofagus obliqua Declining tree in pasture, IX Region, Chile
5175094 roble beech Nothofagus obliqua Insect defoliation on dry north facing slope near Lonquimay, IX Region, Chile
5175095 roble beech Nothofagus obliqua Insect defoliation on dry north facing slope near Lonquimay, IX Region, Chile
5175096 roble beech Nothofagus obliqua Insect defoliation on dry north facing slope near Lonquimay, IX Region, Chile
5175097 roble beech Nothofagus obliqua Insect defoliation on dry north facing slope near Lonquimay, IX Region, Chile
5175098 roble beech Nothofagus obliqua Defoliation by unknown agent, VIII Region, Chile
5175100 taique Desfontainia spinosa Flower and foliage, Parque Oncul, X Region, Chile
5176001 foxglove Digitalis purpurea Flower, X Region, Chile
5176002 foxglove Digitalis purpurea X Region, Chile
5176003 metalic wood-boring beetle Epistomentis pictus Adult on bark of host tree
5175065 green heron Butorides virescens On roots of Rhysophora mangele, Bonaire
5176056 redfruit passionflower Passiflora foetida Flower and foliage, Bonaire
5176057 redfruit passionflower Passiflora foetida Flower and foliage, Bonaire
5176058 coicopihue Philesia magellanica Flower and foliage, Parque Nacional Alerce Andino, X Region, Chile
5176059 coicopihue Philesia magellanica Flower and foliage, Parque Nacional Alerce Andino, X Region, Chile
5176060 coicopihue Philesia magellanica Growing on stem of Nothofagus dombeyi, Parque nacional Vincente Perez Rosales, X Region, Chile
5176061 greater flamingo Phoenicopterus ruber Colony of birds, Bonaire
5176024 Chilean myrtle Luma apiculata Flowers and foliage, Parque Nacional Vincente Perez Rosales, X Region, Chile
5176025 Chilean myrtle Luma apiculata Flowers and foliage, Parque Nacional Vincente Perez Rosales, X Region, Chile
5176026 red mangrove Rhizophora mangle Scenic view of mangrove, Bonaire
5176027 melocactus Melocactus spp.
5176028 melocactus Melocactus spp.
5176029 teabush Melochia tomentosa
5176030 mistletoe Misodendrum linearifolium Female plant, IX Region, Chile
5176031 mistletoe Misodendrum linearifolium Female plant, IX Region, Chile
5176032 mistletoe Misodendrum oblongifolium Female plant, X Region, Chile
5176033 mistletoe Misodendrum oblongifolium Female plant
5176034 mistletoe Misodendrum oblongifolium Female plant, Parque Nacional Puyehue, X Region, Chile
5176035 mistletoe Misodendrum punctulatum Male plant, Parque Nacional Vincente Perez Rosales, X Region, Chile
5176036 mistletoe Misodendrum punctulatum Heavy infestation, Parque Nacional Vincente Perez Rosales, X Region, Chile
5176037 mistletoe Misodendrum punctulatum Infested tree, Parque Nacional Vincente Perez Rosales, X Region, Chile
5176038 foliar nematode Subanguina chilensis Foliar damage attributed to nematode infestation, VIII Region, Chile
5176039 foliar nematode Subanguina chilensis Foliar damage attributed to nematode infestation, VIII Region, Chile
5176040 roble beech Nothofagus obliqua Foliage, X Region, Chile
5176041 roble beech Nothofagus obliqua Forest, IX Region, Chile
5176042 roble beech Nothofagus obliqua Forest, IX Region, Chile
5176043 roble beech Nothofagus obliqua Foliage and seeds, X Region, Chile
5176044 roble beech Nothofagus obliqua Heavy seed crop on tree, X Region, Chile
5176045 roble beech Nothofagus obliqua View of overstory of a pure stand, X Region, Chile
5176046 lenga Nothofagus pumilio View of overstory of a pure stand, Parque Nacional Puyehue, X Region, Chile
5176047 Chilean fire bush Embothrium coccineum Flower and foliage, X Region, Chile
5176048 Chilean fire bush Embothrium coccineum Flower and foliage, X Region, Chile
5176049 Chilean fire bush Embothrium coccineum Flower and foliage, X Region, Chile
5176050 ulmo Eucryphia cordifolia Foliage and flowers, X Region, Chile
5176051 ulmo Eucryphia cordifolia Tree with flowers, X Region, Chile
5176065 red mangrove Rhizophora mangle Flowers, Bonaire
5176066 candle cactus Stenocereus griseus
5176067 candle cactus Stenocereus griseus Stem and fruit, Bonaire
5175072 roostertree Calotropis procera Flower and foliage, Bonaire, Netherlands West Indies
5175073 sawfly Cerospastus volupis Larvae on foliage, X Region, Chile
5175075 sawfly Cerospastus volupis Larval colony on foliage, X Region, Chile
5175076 sawfly Cerospastus volupis Larval colony and defoliation, X Region, Chile
5175077 orchid Chloraea gavilu Flowers, VIII Region, Chile
5176021 wood borer of coigue Holopterus chilensis Fresh attack and boring dust, X Region Chile
5175070 gumbo limbo Bursera simaruba Tree, Bonaire, Netherlands West Indies
5136053 yellow toadflax Linaria vulgaris Routt NF, CO
5136054 yellow toadflax Linaria vulgaris Field of flowers, Routt NF, CO
5136055 yellow toadflax Linaria vulgaris
5136056 twinberry honeysuckle Lonicera involucrata Seeds and foliage, Roosevelt NF, CO
5136057 twinberry honeysuckle Lonicera involucrata Seeds and foliage, Roosevelt National Forest, CO
5136058 lodgepole lupine Lupinus parviflorus Flowers and foliage,
5136059 lodgepole lupine Lupinus parviflorus Routt NF, CO
5136060 lupine Lupinus spp. Roosevelt NF, CO
5136061 tall fringed bluebells Mertensia ciliata Flowers and foliage, Roosevelt NF, CO
5136062 wild bergamot Monarda fistulosa Flower and foliage, Roosevelt NF, CO
5136063 wild bergamot Monarda fistulosa Flower and foliage, Roosevelt NF, CO
5136064 wild bergamot Monarda fistulosa Flower and foliage, Roosevelt NF, CO
5136066 Fendler's groundsel Packera fendleri Flower and foliage, Roosevelt NF, CO
5136067 elephanthead lousewort Pedicularis groenlandica Roosevelt NF, CO
5136068 Whipple's penstemon Penstemon whippleanus Flowers and foliage, Trail Ridge Road, Rocky Mountain National Park, CO
5136069 Whipple's penstemon Penstemon whippleanus Trail Ridge Road, Roacky Mountain National Park, CO
5136070 Parry's gentian Gentiana parryi Roosevelt NF, CO
5136071 flatbud pricklypoppy Argemone munita Flower and foliage, Fort Collins, CO
5136072 Parry's primrose Primula parryi Flowers and foliage, Milner Pass, Rocky Mountain National Park, CO
5136073 white marsh marigold Caltha leptosepala ssp. leptosepala var. leptosepala Flowers, Milner Pass, Rocky Mountain National Park, CO
5136074 woodland pinedrops Pterospora andromedea Rossevelt NF, CO
5136075 woodland pinedrops Pterospora andromedea Rossevelt NF, CO
5136076 woodland pinedrops Pterospora andromedea Rossevelt NF, CO
5136077 upright prairie coneflower Ratibida columnifera Flowers, near Colorado Springs, CO
5136078 upright prairie coneflower Ratibida columnifera Flowers, near Colorado Springs, CO
5136079 upright prairie coneflower Ratibida columnifera Flowers, near Colorado Springs, CO
5136080 cutleaf coneflower Rudbeckia laciniata var. ampla Flowers, near Colorado Springs, CO
5136081 black-eyed susan Rudbeckia hirta Flowers and foliage, near Aspen Park, CO
5136082 black-eyed susan Rudbeckia hirta Flowers and foliage, near Aspen Park, CO
5136083 graylocks four-nerve daisy Tetraneuris grandiflora Flowers and foliage, Trail Ridge Road, Rocky Mountain National Park, CO
5136084 moss campion Silene acaulis var. subacaulescens Flowers and foliage, Trail Ridge Road, Rocky Mountain National Park, CO
5136085 moss campion Silene acaulis var. subacaulescens Flowers and foliage, Trail Ridge Road, Rocky Mountain National Park, CO
5136086 moss campion Silene acaulis var. subacaulescens Flowers and foliage, Trail Ridge Road, Rocky Mountain National Park, CO
5136087 felwort Swertia perennis Flowers and foliage, Roosevelt NF, CO
5136088 hoary Townsend daisy Townsendia incana Foliage and flowers, Larimer CO, CO
5136089 dwarf clover Trifolium nanum Foliage and flowers, Trail Ridge Road, Rocky Mountain National Park, CO
5136090 western tent caterpillar Malacosoma californicum Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO
5136091 western tent caterpillar Malacosoma californicum Aerial view of defoliation, Sangre de Cristo Range, CO
5136092 western tent caterpillar Malacosoma californicum Aerial view of defoliation, North Taylor Creek, Sangre de Cristo Range, CO
5136093 western tent caterpillar Malacosoma californicum Aerial view of defoliation, North Taylor Creek, Sangre di Cristo Range, CO
5136094 western tent caterpillar Malacosoma californicum Egg mass, Taos NM
5136097 fir engraver Scolytus ventralis Aerial view of damage, Carson NF, NM
5136098 fir engraver Scolytus ventralis Aerial view of damage, Carson NF, NM
5136099 western tent caterpillar Malacosoma californicum Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO
5136100 western tent caterpillar Malacosoma californicum Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO
5137001 western tent caterpillar Malacosoma californicum Aerial view of defoliation, Mosca pass, Sangre de Cristo Range, CO
5137002 western tent caterpillar Malacosoma californicum Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO
5137003 western tent caterpillar Malacosoma californicum Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO.
5137004 western tent caterpillar Malacosoma californicum Aerial view of defoliation, Sangre de Cristo Range, CO
5175055 Barbados aloe Aloe vera Flower and foliage, Bonaire
5175056 coral vine Antigonon leptopus Near Rincon, Bonaire
5175057 monkeypuzzle tree Araucaria araucana Near Volcan Lonquimay, IX Region, Chile
5175058 monkeypuzzle tree Araucaria araucana Near Volcan Lonquimay, IX Region, Chile
5175059 Mexican pricklepoppy Argemone mexicana Flower and foliage, Bonaire
5135098 bicho de taquara Myelobia smerintha Adults on lampost, Morettes, Parana State, Brazil
5135099 bicho de taquara Myelobia smerintha Morettes, Parana State, Brazil
5135100 bicho de taquara Myelobia smerintha Morettes, Parana State, Brazil
5136001 bicho de taquara Myelobia smerintha Adults on lamp post, Morettes, Parana State, Brazil
5136002 pine tussock moth Dasychira grisefacta Defoliation, western Nebraska
5136003 pine tussock moth Dasychira grisefacta Defoliation,
5136004 pine tussock moth Dasychira grisefacta Defoliation, western NE
5136005 pine tussock moth Dasychira grisefacta Defoliation, western NE
5136006 pine tussock moth Dasychira grisefacta Defoliation, western NE
5136007 pine tussock moth Dasychira grisefacta Defoliation, western NE
5136008 pine tussock moth Dasychira grisefacta Needle damage, western NE
5136009 pine tussock moth Dasychira grisefacta Mature larva, western NE
5136010 pine tussock moth Dasychira grisefacta Mature larva, western NE
5136011 pine tussock moth Dasychira grisefacta Mature larva, western NE
5136012 pine tussock moth Dasychira grisefacta Mature larva, western NE
5136013 Columbian monkshood Aconitum columbianum near Rabbit Ears Pass, Routt NF, CO
5136014 orange agoseris Agoseris aurantiaca Long Draw Reservoir, Roosevelt NF, CO
5136015 western aster Symphyotrichum ascendens Roosevelt NF, CO
5136016 Gunnison's mariposa lily Calochortus gunnisonii Roosevelt NF, CO
5136017 Parry's bellflower Campanula parryi Flowers and foliage, Rocky Mountain NP, CO
5136018 harebell Campanula rotundifolia Rocky Mountain National Park, CO
5136019 western Indian paintbrush Castilleja occidentalis Trail Ridge Road, Rocky Mountain National Park, CO
5136020 western Indian paintbrush Castilleja occidentalis Trail Ridge Road, Rocky Mountain National Park, CO
5136021 giant red Indian paintbrush Castilleja miniata Routt NF, CO
5136022 splitleaf Indian paintbrush Castilleja rhexiifolia Routt NF, CO
5136023 splitleaf Indian paintbrush Castilleja rhexiifolia Routt National Forest, CO
5136024 splitleaf Indian paintbrush Castilleja rhexiifolia Flowers and foliage, Routt NF, CO
5136025 splitleaf Indian paintbrush Castilleja rhexiifolia Flower and foliage, Routt NF, CO
5136026 splitleaf Indian paintbrush Castilleja rhexiifolia Flowers and foliage, Routt NF, CO
5136027 fireweed Chamerion angustifolium Roosevelt NF, CO
5136028 fireweed Chamerion angustifolium Roosevelt NF, CO
5136029 Rocky Mountain beeplant Cleome serrulata Flowers, foliage and pods, Roosevelt NF, CO
5136030 Rocky Mountain beeplant Cleome serrulata Flowers, foliage and seed pods, Roosevelt, NF, CO
5136031 columbine Aquilegia spp. Flower and foliage, Carson NF, NM
5136032 columbine Aquilegia spp. Flowers and foliage, Carson NF, NM
5136033 orange sneezeweed Hymenoxys hoopesii Roosevelt NF, CO
5136034 orange sneezeweed Hymenoxys hoopesii Roosevelt NF, CO
5136035 onestem fleabane Erigeron simplex Roosevelt NF, CO
5136036 onestem fleabane Erigeron simplex Roosevelt NF, CO
5136037 arctic alpine forget-me-not Eritrichium nanum var. aretioides Trail Ridge Road, Rocky Mountain National Park, CO
5136038 Engelmann's aster Eucephalus engelmannii Roosevelt National Forest, CO
5136039 rosering gaillardia Gaillardia pulchella
5136040 rosering gaillardia Gaillardia pulchella
5136041 rosering gaillardia Gaillardia pulchella
5136042 autumn dwarf gentian Gentianella amarella ssp. acuta Roosevelt NF, CO
5136043 whitish gentian Gentiana algida Trail Ridge Road, Rocky Mountain National Park, CO
5136044 whitish gentian Gentiana algida Rocky Mountain National Park, CO
5136045 Rocky Mountain fringed gentian Gentianopsis thermalis Roosevelt NF, CO
5136046 Rocky Mountain fringed gentian Gentianopsis thermalis Roosevelt NF, CO
5136048 saxifrage Saxifraga spp. Trail Ridge Road, Rocky Mountain National Park, CO
5136049 scarlet gilia Ipomopsis aggregata Roosevelt NF, CO
5136050 scarlet gilia Ipomopsis aggregata Roosevelt NF, CO
5135092 Salvin's clearwing Episcada salvinia Adult on foliage, near Iguazu Falls, Parana State, Brazil
5135093 cracker butterflies Hamadryas spp. Adult on rock, near Iguazu Falls, Parana State, Brazil
5135035 aspen decline Aerial photo from 2006 survey. Aerial view of aspen decline, South Park, CO
5135036 aspen decline Aerial photo from 2006 survey. Aerial view of aspen decline, South Park, CO
5135037 aspen decline Aerial photo from 2006 survey; Aerial view of aspen decline, South Park, CO
5135038 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of Douglas-fir beetle infestation, Wet Mountains, CO
5135039 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view, Wet Mountains, CO
5135040 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of infestation, Wet Mountains, CO
5135042 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of infestation, Wet Mountains, CO
5135043 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation, Aspen Park, CO
5135044 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation, Aspen Park, CO
5135045 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation, Aspen Park, CO, 2006
5135046 spruce beetle Dendroctonus rufipennis Aerial view of defoliation, Rawah Range, Roosevelt, NF, CO
5135047 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO
5135048 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt National Forest, CO
5135049 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO.
5135050 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO
5135051 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO
5135052 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO
5135053 pinyon ips Ips confusus Aerial survey 2006; Aerial view of damage, near Canon City, CO
5135054 pinyon ips Ips confusus Aerial survey 2006; Aerial view of damage, near Canon City CO, 2006
5135055 pinyon ips Ips confusus Aerial survey in 2006.; Aerial view of damage near Canon City, CO, 2006
5135056 pinyon ips Ips confusus Aerial survey in 2006.; Aerial view of damage, near Canon City, CO, 2006
5135057 pinyon ips Ips confusus Aerial survey from 2006.; Aerial view of damage, near Canon City, CO, 2006
5135058 Ips engraver beetles Ips spp. Aerial survey from 2006.; Aerial view of scattered tree mortality adjecent to Picnic Rock Fire west of Fort Collins, CO
5135059 Ips engraver beetles Ips spp. Aerial view of scattered tree mortality adjacent to Picnic Rock Fire west of Fort Collins, CO
5135060 Ips engraver beetles Ips spp. Aerial view of scattered tree mortality adjacent to Picnic Rock Fire west of Fort Collins, CO
5135061 Ips engraver beetles Ips spp. Aerial view of scattered tree mortality adjacent to Picnic Rock Fire west of Fort Collins, CO
5135062 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135063 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135064 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135065 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135066 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135067 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135068 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135069 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135070 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135071 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135072 western balsam bark beetle Dryocoetes confusus Aerial view of tree mortality, Bull Mountain, Larimer CO, CO, 2006
5135073 western balsam bark beetle Dryocoetes confusus Aerial view of tree mortality, Bull Mountain, Larimer Co, CO
5135074 western spruce budworm Choristoneura freemani Aerial view of defoliation, North Platte River, CO, 2006
5135075 western spruce budworm Choristoneura freemani Aerial view of defoliation, North Platte River, CO, 2006
5135076 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO, 2006
5135077 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135078 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135079 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135080 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135081 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135082 Douglas-fir tussock moth Orgyia pseudotsugata Partial defoliation of Douglas-fir, North turkey Creek near Aspen Park, CO
5135083 Douglas-fir tussock moth Orgyia pseudotsugata Partial defoliation of Douglas-fir, North Turkey Creek near Aspen Park, CO
5135084 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
5135085 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
5135086 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
5135087 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
5135088 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
2167080 western tent caterpillar Malacosoma californicum Larvae and tent, Larimer Co, CO.
2167067 spittlebugs or froghoppers Spittlebug infestation on red spruce, Balsam Gap, Blue Ridge parkway, NC
2167068 spittlebugs or froghoppers Spittlebug infestation on red spruce, Balsam Gap, Blue Ridge parkway, NC
2167069 ribbed pine borer Rhagium inquisitor Adult on end of pine log, Graham County, NC
2167070 swallowtail butterflies Papilio spp.
2167071 hoary Townsend daisy Townsendia incana
2167074 Woods' rose Rosa woodsii
2167075 western tent caterpillar Malacosoma californicum
2167076 Woods' rose Rosa woodsii
2167077 zerene fritillary Speyeria zerene Adult on white thistle
2167078 western tent caterpillar Malacosoma californicum Larval colony on ninebark, Larimer CO, NC.
2167079 western tent caterpillar Malacosoma californicum Larval colony on mountain mahogany
5135034 aspen decline aerial photo from 2006 survey; Aerial view of aspen decline
2167024 spiderwort Tradescantia spp. Beetle feeding on pollen in flower
2167066 zerene fritillary Speyeria zerene Adults on white thistle
2167059 fir engraver Scolytus ventralis Aerial view of tree mortality
2167060 fir engraver Scolytus ventralis Aerial view of damage
2167061 common salsify Tragopogon porrifolius
2167062 fir engraver Scolytus ventralis Aerial view of damage
2167063 fir engraver Scolytus ventralis Aerial view of damage
2167064 fir engraver Scolytus ventralis Aerial view of damage
2167065 zerene fritillary Speyeria zerene Adults on white thistle
2167040 western tent caterpillar Malacosoma californicum Aerial view of defoliation; 2006
2167041 western tent caterpillar Malacosoma californicum Aerial view of defoliation; 2006
2167042 western tent caterpillar Malacosoma californicum Aerial view of defoliation; 2006
2167043 western tent caterpillar Malacosoma californicum Aerial view of defoliation; 2006
2167044 western tent caterpillar Malacosoma californicum
2167045 western tent caterpillar Malacosoma californicum Tent and defoliation
2167046 pleasing fungus beetle Megalodacne heros
2167047 western tent caterpillar Malacosoma californicum Tents and defoliation
2167048 whitespotted sawyer Monochamus scutellatus
2167049 whitespotted sawyer Monochamus scutellatus
2167050 mountain ninebark Physocarpus monogynus
2167051 pricklypear/cholla Opuntia spp.
2167034 larkspur Delphinium spp.
2167035 larkspur Delphinium spp.
2167039 red spotted purple Limenitis arthemis astyanax
2167025 Colorado blue columbine Aquilegia caerulea
2167026 alderleaf mountain mahogany Cercocarpus montanus
2167027 Colorado blue columbine Aquilegia caerulea
2167028 Colorado blue columbine Aquilegia caerulea
2167029 grasshoppers
2167030 Colorado blue columbine Aquilegia caerulea
2167031 shaggy fleabane Erigeron pumilus
2156041 fernleaf phacelia Phacelia bipinnatifida
2156042 fernleaf phacelia Phacelia bipinnatifida
2156045 smooth Solomon's seal Polygonatum biflorum
2156046 smooth Solomon's seal Polygonatum biflorum
2156047 pin cherry Prunus pensylvanica
2156048 flame azalea Rhododendron calendulaceum
2156049 flame azalea Rhododendron calendulaceum
2156050 Catawba rosebay Rhododendron catawbiense
2156051 Catawba rosebay Rhododendron catawbiense
2156052 pink azalea Rhododendron periclymenoides
2156053 pink azalea Rhododendron periclymenoides
2156054 pink azalea Rhododendron periclymenoides
2156055 cane fruit (blackberry, raspberry) Rubus spp.
2156056 fire pink Silene virginica
2156057 fire pink Silene virginica
2156058 feathery false lily of the valley Maianthemum racemosum ssp. racemosum
2156059 feathery false lily of the valley Maianthemum racemosum ssp. racemosum
2156060 star chickweed Stellaria pubera
2156062 heartleaf foamflower Tiarella cordifolia
2156063 heartleaf foamflower Tiarella cordifolia
2156064 Virginia spiderwort Tradescantia virginiana
2156065 red trillium Trillium erectum
2156066 red trillium Trillium erectum
2156067 red trillium Trillium erectum
2156068 white trillium Trillium grandiflorum With a pink flower
2156069 white trillium Trillium grandiflorum With pink flowers
2156070 white trillium Trillium grandiflorum
2156071 white trillium Trillium grandiflorum
2156072 yellow wakerobin Trillium luteum
2156073 yellow wakerobin Trillium luteum
2156074 sweet wakerobin Trillium vaseyi
2156075 sweet wakerobin Trillium vaseyi
2156076 sweet wakerobin Trillium vaseyi
2156077 largeflower bellwort Uvularia grandiflora
2156078 mapleleaf viburnum Viburnum acerifolium
2156079 hobblebush Viburnum lantanoides
2156080 eastern turkeybeard Xerophyllum asphodeloides
2167003 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167004 ocellate gall midge Acericecis ocellaris
2167005 balsam woolly adelgid Adelges piceae gout on Fraser fir
2167006 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167007 balsam woolly adelgid Adelges piceae gout on Fraser fir
2167008 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167009 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167010 hemlock woolly adelgid Adelges tsugae Decline and mortality caused by hemlock wolly adelgid,
2167011 hemlock woolly adelgid Adelges tsugae Decline and mortality
2167012 hemlock woolly adelgid Adelges tsugae Decline and mortality,
2167013 hemlock woolly adelgid Adelges tsugae Decline and mortality
2167014 hemlock woolly adelgid Adelges tsugae
2167015 hemlock woolly adelgid Adelges tsugae Decline and mortality
2167016 hemlock woolly adelgid Adelges tsugae Infested foliage
2167017 hemlock woolly adelgid Adelges tsugae Infested foliage
2167018 hemlock woolly adelgid Adelges tsugae Infested foliage
2167019 hemlock woolly adelgid Adelges tsugae Infested foliage,
2167020 large red velvet mite Allothrombium mitchelli Adult on bark of Fraser fir
2167021 large red velvet mite Allothrombium mitchelli Adult on bark of Fraser fir
2167022 large red velvet mite Allothrombium mitchelli Adult on bark of Fraser fir
2167023 hemlock woolly adelgid Adelges tsugae Infested foliage
2156009 eastern sweetshrub Calycanthus floridus
2156010 eastern sweetshrub Calycanthus floridus
2156011 scarlet Indian paintbrush Castilleja coccinea
2156012 scarlet Indian paintbrush Castilleja coccinea
2156014 American squawroot Conopholis americana
2156015 American squawroot Conopholis americana
2156016 American squawroot Conopholis americana
2156018 pink lady's-slipper Cypripedium acaule
2156019 pink lady's-slipper Cypripedium acaule
2156020 pink lady's-slipper Cypripedium acaule
2156021 American umbrellaleaf Diphylleia cymosa
2156022 beetleweed Galax urceolata
2156023 wild geranium Geranium maculatum
2156025 Bowman's root Gillenia trifoliata
2156026 bluet Houstonia spp.
2156027 dwarf crested iris Iris cristata
2156028 mountain laurel Kalmia latifolia
2156029 mountain laurel Kalmia latifolia
2156030 mountain laurel Kalmia latifolia
2156031 yellow-poplar Liriodendron tulipifera
2156032 Japanese honeysuckle Lonicera japonica
2156033 mountain magnolia Magnolia fraseri
2156035 narrowleaf evening-primrose Oenothera fruticosa
2156037 violet woodsorrel Oxalis violacea
2156038 violet woodsorrel Oxalis violacea
1241473 cedar bark beetles Phloeosinus spp. Egg and larval gallery.
2156002 yellow buckeye Aesculus flava
2156003 wood anemone Anemone quinquefolia
2156004 Jack in the pulpit Arisaema triphyllum
2156005 Jack in the pulpit Arisaema triphyllum
2156006 Jack in the pulpit Arisaema triphyllum
1241598 larch casebearer Coleophora laricella Defoliation of western larch, Idaho Panhandle National Forest, ID
1428143 rat, vole, mouse Stripping of bark
1510054 hemlock woolly adelgid Adelges tsugae Ground spray equipment used for control of balsam woolly adelgid, Mt. Mitchell State Park, NC, ca 1961.
1518059 balsam woolly adelgid Adelges piceae Stem attack on Abies fraseri, Mt. Mitchell State Park, NC, ca 1961.
1428080 moose Alces alces feeding on salt lick.
1428086 mountain pine beetle Dendroctonus ponderosae Galleries underneath bark.
1428093 tamarisk Tamarix spp. Grove of salt cedars
1428082 chipmunk Tamias spp. feeding on pine nuts.
0758245 pandora moth Coloradia pandora Mature larva feeding on ponderosa pine.
0758246 pandora moth Coloradia pandora Two female adults on bole of a ponderosa pine
0758159 western spruce budworm Choristoneura freemani Defoliation of new shoots
0758160 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758161 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758162 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758163 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758164 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758165 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758166 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758167 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758168 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758169 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758170 western spruce budworm Choristoneura freemani Defoliation
0758171 western spruce budworm Choristoneura freemani Defoliation
0758172 western spruce budworm Choristoneura freemani Defoliation
0758173 western spruce budworm Choristoneura freemani Defoliation
0758082 beech scale Cryptococcus fagisuga Bark of American beech with symptoms of beech bark disease.
2252094 pine engraver Ips pini
1502047 annosum root disease Heterobasidion annosum Treatment of a freshly cut stump with borax to prevent infection by Heterobasidium annosum
2134063 hawksbill sea turtle Eretmochelys imbricata 21 month old adult, Isla de Mujeres, Quintana Roo State, Mexico
2134043 iguana Iguana spp. Quintana Roo State, Mexico
2134044 iguana Iguana spp. Quintana Roo State, Mexico
2134045 organ pipe cactus Stenocereus thurberi Baja California Sur, Mexico
2134046 monarch butterfly Danaus plexippus Isla de Mujeres, Quintana Roo State, Mexico
2134047 monarch butterfly Danaus plexippus
2134048 monarch butterfly Danaus plexippus
2134049 peleides blue morpho Morpho helenor peleides Quintana Roo State, Mexico
2134050 Cardón cactus Pachycereus pringlei Baja California Sur, Mexico
2134051 Cardón cactus Pachycereus pringlei Baja California Sur, Mexico
2134052 elephant tree Pachycormus discolor Baja California Sur Mexico
2134053 elephant tree Pachycormus discolor Baja California Sur, Mexico
2134054 mistletoe Phrygilanthus sonorae Baja California Sur, Mexico
2134055 mistletoe Phrygilanthus sonorae Baja California Sur, Mexico
2134056 mistletoe Phrygilanthus sonorae Baja California Sur, Mexico
2134057 sphinx moth Protambulyx eurycles Cancun, Quintana Roo State, Mexico
2134058 sphinx moth Protambulyx eurycles Cancun, Quintana Roo State, Mexico
2134059 mangrove Rhizophora spp. Sian Kaan Biosphere Reserve, Quintana Roo State, Mexico
2134060 mangrove Rhizophora spp. Rhyophores of various mangrove species, Sian Kaan Biosphere Reserve, Quintana Roo State, Mexico
2134061 royal tern Sterna maxima On pilings, Isla de Mujeres, Quintana Roo State, Mexico
2134035 dirce beauty Colobura dirce dirce Quintana Roo State, Mexico
2134036 dirce beauty Colobura dirce dirce Quintana Roo State, Mexico
2134038 winged encyclia Encyclia alata Quintana Roo State, Mexico
2134039 California barrel cactus Ferocactus cylindraceus var. cylindraceus Baja California Sur, Mexico
2134040 giant milkweed Calotropis gigantea Flowers and foliage, Isla de Mujeres, Quintana Roo State, Mexico
2134041 Guatemalan cracker Hamadryas guatemalena Quintana Roo State, Mexico
2134027 banded peacock butterfly Anartia fatima Adult at rest, Quintana Roo, Yucatan Peninsula, Mexico
2134028 balsamapple Momordica charantia Quniana Roo State, Mexico
2134029 brown pelican Pelecanus occidentalis Cabo San Lucas, Mexico
2134030 owl butterflies Caligo spp. Quintana Roo State, Mexico
2134031 owl butterflies Caligo spp. Quintana Roo State, Mexico
2134032 click beetle Chalcolepidius virginalis Quintana Roo State, Mexico
2134033 white-striped longtail Chiodes albofasciatus Baja California Sur, Mexico
3943050 Honduras pine Pinus elliottii var. elliottii View of pine savanna from fire tower, Proyecto Norteste.
3943051 Honduras pine Pinus elliottii var. elliottii Pine savanna near Puerto Cabezas.
3943047 Honduras pine Pinus elliottii var. elliottii Recently burned plantation, Region Autonoma Atlantica Norteste (RAAN).
3943048 Honduras pine Pinus elliottii var. elliottii near Puerto Cabezas
2122032 fire Aerial view of a small but intense wildfire near Drake, CO
2122033 fire Aerial view of a small but intense wildfire near Drake, CO
2122034 fire Aerial view of trees damaged by a low intensity ground fire near Jamestown, CO
2122035 fire Aerial view of tree damage caused by a low intensity ground fire near Jamestown, CO
2122036 nessus sphinx Amphion floridensis Adult moth resting on foliage, Fort Collins, CO
2122037 pinyon ips Ips confusus Near Taos, NM
2122038 fire Aerial view of damage caused by the Mason Fire near Florence, CO
2122039 fire Aerial view of damage caused by the Mason Fire near Florence, CO
2122040 Milbert's tortoiseshell Aglais milberti Larvae on nettle, Cherokee Park, CO
2122041 spotted pine sawyer Monochamus clamator Malhuer NF, OR
2122042 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Pinus contorta, Pinus flexilis, Tennessee Mountain, Nederland, CO
2122043 mountain pine beetle Dendroctonus ponderosae Tree mortality on western slope of the Wet Mountains, CO
2122044 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Sangre de Cristo Mountains, CO
2122045 cedar bark beetles Phloeosinus spp. Near Leadville, CO.
2122046 cedar bark beetles Phloeosinus spp. Near Leadville, CO.
2122047 poplar twiggall fly Hexomyza schineri Galls, Fort Collins, CO.
2122048 poplar twiggall fly Hexomyza schineri Galls
2122022 aspen decline Sand Creek Basin, Colorado
2122023 defoliation due to unknown cause Aerial view of defoliation of quaking aspen, Rio Grande National Forest, CO. Causal insect is unknown.
2122024 leaf scorches Aerial view of leaf scorch of quaking aspen, Colorado
2122025 leaf scorches Leaf scorch on aspen foliage, South Park, CO
2122026 leaf scorches
2122027 Douglas-fir beetle Dendroctonus pseudotsugae Shoshone NF, WY
2122028 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation near Aspen Park, CO
2122029 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass on pupal case, near Aspen Park, CO
2122050 spruce beetle Dendroctonus rufipennis Aerial view of faders, Red Mountain, Rio Grande, NF, CO
2122051 spruce beetle Dendroctonus rufipennis Aerial view of faders, Red Mountain, Rio Grande, NF, CO
2122052 spruce beetle Dendroctonus rufipennis Aerial view of faders and tree mortaloty, red Mountain, Rio Grande, NF, CO
2122053 spruce beetle Dendroctonus rufipennis Aerial view of faders and tree mortality, Red Mountain, Rio Grande, NF, CO
2122054 spruce beetle Dendroctonus rufipennis Aerial view of faders and tree mortality, Red Mountain, Rio Grande NF, CO
2122055 western balsam bark beetle Dryocoetes confusus Aerial view of faders, Bull Mountain, Larimer, CO.
2122056 western spruce budworm Choristoneura freemani Aerial view of defoliation in upscale housing development, Bear Mountain, near Evergreen, CO
3943031 lesser pine shoot beetle Tomicus minor southwestern Lithuania
1248015 pine engraver Ips pini Multiple tree groups of dead and dying lodgepole pines near Evergreen, CO
1248016 mountain pine beetle Dendroctonus ponderosae Large multiple tree spot on the summit of Tennessee Mountain near Nederland, CO. Pinus contorta and P. flexilis
1248017 mountain pine beetle Dendroctonus ponderosae Aerial view of a multiple tree spot on road to Rollins Pass near Rollinsville, CO
1248018 mountain pine beetle Dendroctonus ponderosae Rollins Pass, CO
1248019 mountain pine beetle Dendroctonus ponderosae Rollinsvile, CO
1248020 mountain pine beetle Dendroctonus ponderosae Fading trees near Willow Creek Pass, CO
1248021 mountain pine beetle Dendroctonus ponderosae Aerial view of heavy mortality near Antero Jct, South Park, CO
1248022 mountain pine beetle Dendroctonus ponderosae Aerial view of heavy mortality in ponderosa pine near Antero Jct, South Park,CO
1248023 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality, San Juan NF, CO
1248024 fir engraver Scolytus ventralis Top Kill in white fir, eastern slope of the Wet Mountains, CO
1248025 fir engraver Scolytus ventralis Aerial view of top kill and tree mortality, Wet Mountains, CO
1248026 western balsam bark beetle Dryocoetes confusus Aerial view of tree mortality near Bull Mountain, Larimer CO, CO
1248027 Douglas-fir tussock moth Orgyia pseudotsugata Aspen Park, CO
1248028 Douglas-fir tussock moth Orgyia pseudotsugata Aspen Park, CO
1248029 Douglas-fir tussock moth Orgyia pseudotsugata Aspen Park, CO
1248030 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation in Douglas-fir near Aspen Park, CO
1248031 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality caused by spruce beetle, San Juan NF, CO
1248032 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality caused by spruce beetle, San Juan, N.F., CO
1254083 hackberry witches' broom Witches brooms caused by a combination of a mite (Aceria celtis (Kendall, 1929)) and fungus (Sphaerotheca phytoptophila) on ornamental hackberry, Fort Collins, CO.
1254084 hackberry witches' broom Tree heavily damaged by witches brooms caused by a combination of a mite (Aceria celtis (Kendall, 1929)) and fungus (Sphaerotheca phytoptophila), Fort Collins, CO.
1274013 bagworm Thyridopteryx ephemeraeformis Avery Island, LA
1274014 gypsy moth Lymantria dispar Mature larva. Near Bucharest, Romania
1274017 red milkweed beetle Tetraopes tetrophthalmus Feeding on milkweed flower. Fort Collins, CO.
1248034 pinyon ips Ips confusus
1248001 Tetrio sphinx Pseudosphinx tetrio Mature larva, village of Plymouth, Tobago, Trinidad and Tobago
1248036 fire Aerial view of a portion of the Picnic Rock fire, west of Fort Collins CO. This fire occurred in March 2004
1248037 chemicals Roadside damage due to an as yet unspecified cause, probably application of de-iceing chemicals, near Boulder, CO
1248038 blue spruce engraver Ips hunteri Top kill caused by a spruce engraver beetle, Ips hunteri, Fort Collins, CO
1248003 monarch butterfly Danaus plexippus Mature larva, Village of Plymouth, Tobago, Trinidad and Tobago
1248004 milkweed bugs Oncopeltus spp.
1248005 giant milkweed Calotropis gigantea
1248006 gypsy moth Lymantria dispar Virus infected
1248007 European oak leaf roller Tortrix viridana Single pupa in webbing on foliage of Quercus robur
1248008 gypsy moth Lymantria dispar
1248009 powdery mildew Microsphaera abbreviata Infection on foliage of Quercus sp, Romania
1248010 red milkweed beetle Tetraopes tetrophthalmus Adult on milkweed flower, Fort Collins, CO
1248011 red milkweed beetle Tetraopes tetrophthalmus Adult on milkweed flower, Fort Collins, CO
1248012 boxelder bug Boisea trivittata Adult box elder bug, Fort Collins, CO
1248013 Road salt or de-icing salt The actual causal agent for this damage is not yet known but appears to be associated with magnesium chloride or other chemical used to de-ice roads in winter. Boulder, CO
1248014 frost and winter injury (general) Aerial view of aspen with patches of brownish, thin foliage believed to be the result of a late spring frost. Mt Evans wilderness, Pike NF, Colorado
1244025 sand lady's slipper Calceolaria uniflora Region XII, Chile
1244026 lady's slipper Calceolaria tenella Parque Nacional Bernardo O'Higgins, Region XII, Chile
1244001 Pan de indio Cyttaria darwinii
1244002 giant conifer aphids Cinara spp. Colony, VI Region, Chile
1244003 giant conifer aphids Cinara spp. Colony, Reserva Yerba Loca, Region Metropolitana, Chile
1244004 giant conifer aphids Cinara spp. Hedge with damage, Concha y Toro Winery near Santiago, Chile
1244005 cipres de Guaitecas Pilgerodendron uviferum and foliage. XI Region, Chile. Note: this is the conifer with the southernmost natural distribution in the world.
1244006 eucalyptus borer Phoracantha recurva VI Region, Chile
1244007 Red gum lerp Glycaspis brimblecombei VI Region, Chile
1244008 Red gum lerp Glycaspis brimblecombei VI Region, Chile
1244009 pine and spruce adelgids Pineus spp. VI Region, Chile
1244010 metalic wood-boring beetle Lasionota conjuntus Sierra Bellavista, VI Region, Chile
1244011 Ravenelia rusts Ravenelia spp. Witches broom, abnormally large host foliage and spores on foliage, XI Region, Chile
1244012 Antarctic beech Nothofagus antarctica Forest with extensive decline, XII Region, Chile
1244013 mistletoe Misodendrum punctulatum XII Region, Chile
1244014 giant conifer aphids Cinara spp. Reserva Natural Yerba Loca, Region Metropolitana, Chile.
1244015 Chilean fire bush Embothrium coccineum XI Region, Chile
1244016 Darwin's berberis Berberis darwinii Region XI, Chile
1244017 orchid Chloraea alpina Region XI, Chile
1244018 cohiue Nothofagus dombeyi Region XI, Chile
1244019 hardy fuchsia Fuchsia magellanica Region XI, Chile
1244020 orchid Codonorchis lessonii Region XI, Chile
1244021 glacier View of the San Rafael Glacier as seen from the Laguna San Rafael, Region XI, Chile
1244022 lenga Nothofagus pumilio Parque Nacional Torres del Paine, Region XII, Chile
1254002 mountain pine beetle Dendroctonus ponderosae Pair of adults constructing egg gallery, Lincoln, MT
1254003 mountain pine beetle Dendroctonus ponderosae
1254004 mountain pine beetle Dendroctonus ponderosae Fading pines indicative of beetle attack, Red Feather Lakes, CO.
1254005 mountain pine beetle Dendroctonus ponderosae Aerial view of dead and dying trees, Black Hills NF, SD
1254006 Douglas-fir beetle Dendroctonus pseudotsugae
1254007 Douglas-fir beetle Dendroctonus pseudotsugae Fading Douglas-fir, Roosevelt, NF, CO
1254008 sixspined ips Ips calligraphus Galleries in ponderosa pine, Ashland, MT
1254009 pine engraver Ips pini Top kill in ponderosa pine, Warm Springs IR, OR
1254010 blue spruce engraver Ips hunteri Fading spruces due to Blue spruce engraver beetle attack, Timnath, CO.
1254011 blue spruce engraver Ips hunteri Pitch tubes and boring dust on bark surface, Timnath, CO.
1254030 Douglas-fir tussock moth Orgyia pseudotsugata Heavy defoliation of grand fir and Douglas fir, Wallowa Whitman NF, OR.
1254031 tiger moth Lophocampa ingens Colony of mature larvae, Roosevelt NF, CO.
1254032 tiger moth Lophocampa ingens Larvae and tent in tip, Roosevelt NF, CO.
1254033 western tent caterpillar Malacosoma californicum Mature larva on tent, Roosevelt NF, CO.
1254034 western tent caterpillar Malacosoma californicum Tent and defoliation on quaking aspen, Roosevelt NF, CO.
1254035 conifer sawflies Neodiprion spp. Defoliation, Ochoco NF, OR.
1254036 conifer sawflies Neodiprion spp. Larval colony, near Jasper, AL.
1254037 conifer sawflies Neodiprion spp. Single larva on ponderosa pine, west of Fort Collins, CO
1254038 brownheaded ash sawfly Tomostethus multicinctus Larvae on bark migrating to pupation sites.
1254039 brownheaded ash sawfly Tomostethus multicinctus Boulder, CO.
1254040 fall webworm Hyphantria cunea Tent and larvae, Fort Collins, CO.
1254041 elm leaf beetle Xanthogaleruca luteola Fort Collins, CO.
1254042 elm leaf beetle Xanthogaleruca luteola Larvae and defoliation, Fort Collins, CO.
1254043 aphids
1254044 aphids Aphid colonies on chyranthemum, Fort Collins, CO.
1254045 aphids Fort Collins, CO.
1254046 woolly apple aphid Eriosoma lanigerum Fort Collins, CO.
1254047 lady beetle Fort Collins, CO.
1254048 lady beetle Fort Collins, CO.
1254049 pine needle scale Chionaspis pinifoliae Fort Collins, CO.
1254050 oystershell scale Lepidosaphes ulmi Fort Collins, CO.
1254051 European elm scale Eriococcus spuria Fort Collins, CO.
1254052 European elm scale Eriococcus spuria Black sooty mold growing on honeydew deposited by scale infestations, Colorado State University campus, Fort Collins, CO.
1254053 juniper spittlebug Clastoptera juniperina Fort Collins, CO.
1254054 mealybugs Fort Collins, CO.
1254055 mealybugs Infestation on bark, Fort Collins, CO.
1254056 cooley spruce gall adelgid Adelges cooleyi Fort Collins, CO.
1254057 cooley spruce gall adelgid Adelges cooleyi Green gall, Fort Collins, CO.
1254058 cooley spruce gall adelgid Adelges cooleyi Fort Collins, CO.
1254059 pinyon spindlegall midge Pinyonia edulicola Galls, Fort Collins, CO.
1254060 poplar twiggall fly Hexomyza schineri Galls, Fort Collins, CO.
1254080 purple erineum maple mite Eriophyes calcercis Rossevelt NF, CO.
1254062 hackberry bud gall maker Pachypsylla celtidisgemma Fort Collins, CO.
1254063 pineland dwarf mistletoe Arceuthobium vaginatum ssp. cryptopodum Fort Collins, CO.
1254064 pineland dwarf mistletoe Arceuthobium vaginatum ssp. cryptopodum Witches brooms, Roosevelt National Forest, CO.
1254065 pineland dwarf mistletoe Arceuthobium vaginatum ssp. cryptopodum Tree killed by heavy dwarf mistletoe infestation.
1254066 American dwarf mistletoe Arceuthobium americanum Female plant with ripe fruits, Gallatin National Forest, MT
1254067 American dwarf mistletoe Arceuthobium americanum Witches brooms, Roosevelt NF, CO.
1254068 powdery mildews Fort Collins, CO.
1254069 Dothichiza canker Dothichiza populea Dead crown due to canker infection, Fort Collins, CO.
1254070 Gynosporanium rusts Gymnosporangium spp. Fort Collins, CO.
1254071 Gynosporanium rusts Gymnosporangium spp.
1254072 fire blight Erwinia amylovora Fort Collins, CO.
1254073 fire blight Erwinia amylovora Shepherd's crook, Fort Collins, CO.
1254074 wind Roosevelt NF, CO.
1254075 iron deficiency Iron chlorosis on foliage of trident maple, Fort Collins, CO.
1254076 iron deficiency Iron chlorosis on foliage, Fort Collins, CO.
1254077 iron deficiency Iron chlorosis on foliage, Fort Collins, CO.
1254078 iron deficiency Iron chlorosis on foliage, Fort Collins, CO
1254082 aspen leafminer Phyllocnistis populiella Leaf mining, Roosevelt NF, CO.
1309001 white-lined sphinx Hyles lineata mating
1309002 milkweed tussock moth Euchaetes egle Madison Co, Iowa.
1309003 polyphemus moth Antheraea polyphemus Fort Collins, CO
1309004 swallowtail butterflies Papilio spp. Adult at rest on iris blossom, Fort Collins, CO
1309005 swallowtail butterflies Papilio spp. Mature larva, Fort Collins, CO
1309006 tiger moths Grammia spp. Adult on milkweed flower, Cache La Poudre Canyon, CO
2500001 fir engraver Scolytus ventralis Rio Grande NF, CO.
2500002 fir engraver Scolytus ventralis Rio Grande NF, CO.
2500003 pinyon ips Ips confusus Pitch tubes and boring dust on the bark surface of pinyon pine.
2500004 fir engraver Scolytus ventralis Aerial view of tree mortality, San Juan NF, CO
2500005 pinyon ips Ips confusus Aerial view of group of trees killed by pinyon engraver beetle, Rio Grande NF, CO
2500006 pinyon ips Ips confusus Scattered tree mortality caused by pinyon engraver beetle, Rio Grande, NF, CO
2500007 pinyon ips Ips confusus Scattered tree mortality caused by pinyon engraver beetle, Rio Grande, NF, CO
2500008 pinyon ips Ips confusus Group killed by pinyon engraver beetle, Rio Grande NF, CO.
2500009 porcupine Erethizon dorsatum Stripping of bark of pinyon pine by porcupine. Resin flow from this wounds makes trees attractive to the pinyon engraver beetle, Ips confusus.
2500010 bark beetle Phloeosinus armatus Adult maturation feeding, northern Cyprus.
2500011 snow and ice damage (snow load) Stem breakage due to heavy winter snow, northern Cyprus.
2500012 Mediterranean pine engraver beetle Orthotomicus erosus
2500013 bark beetle Phloeosinus armatus
2500015 pine shoot beetle Tomicus destruens Group of old dead trees, northern Cyprus.
2500016 flatheaded or metallic wood borer northern Cyprus
2500017 mistletoe Psittacanthus calyculatus Lago Patzuaro, Michoacan, Mexico
2500018 mistletoe Psittacanthus pinicola northeastern Nicaragua
2500019 mistletoe Psittacanthus calyculatus Large plant with many flowers in crown of an oak, near Lago Patzuaro, Michoacan, Mexico.
2500020 mistletoes Psittacanthus spp. Plant in flower in upper crown of host tree, near Lago Patzuaro, Michoacan, Mexico
2500021 seagrape sawfly Sericoceros mexicanus Cluster of pupal cases on sea grape, Roatan Island, Honduras
2500022 seagrape sawfly Sericoceros mexicanus Cluster of pupae on sea grape, Roatan Island, Honduras
1307018 pineapple mealybug Dysmicoccus brevipes Group of young Casuarina equisetifolia killed by root infestation of Dysmicoccus brevipes, north of Mombasa, Kenya.
1307019 pineapple mealybug Dysmicoccus brevipes Close-up of scales on root of Casuarina.
1307020 flatheaded or metallic wood borer Larvae in pith of Sonneratia in mangrove forest south of Mombasa, Kenya
1232001 Turkish pine Pinus brutia Natural forest, Makheras Forest
1232002 pine processionary moth Thaumetopoea pityocampa Heavy defoliation and tent of mature larvae
1232003 pine processionary moth Thaumetopoea pityocampa Colony of mature larvae
1232004 pine processionary moth Thaumetopoea pityocampa Colony of mature larvae preparing to migrate to a pupation site.
1232005 pine processionary moth Thaumetopoea pityocampa Colony of sixth instar larvae in a "procession" toward a pupation site.
1232006 Turkish pine Pinus brutia Large tree with thick bark. This is an adaptation that allows the tree to survive low intensity ground fires, Pathos Forest, southwestern Cyprus.
1232007 Turkish pine Pinus brutia Large trees with thick bark, an adaptation that allows these trees to survive a low intensity ground fire, Pathos Forest, southwestern Cyprus.
1232008 pine processionary moth Thaumetopoea pityocampa Tent and heavy defoliation on young pine
1232009 pine processionary moth Thaumetopoea pityocampa Heavy defoliation in a young pine plantation, northern Cyprus
1232010 pine processionary moth Thaumetopoea pityocampa Heavy defoliation and tents, northern Cyprus
1232011 naked man orchid Orchis italica Close-up of flower, northern Cyprus
1232012 rock rose Cistus creticus Clump of flowers and foliage, northern Cyprus
1232013 Kotschy's bee-orchid Ophrys kotschyi Flowers and foliage, northern Cyprus; This plant is endemic to Cyprus
1232014 asphodel Asphodelus albus Close-up of flower, northern Cyprus
1232015 pine processionary moth Thaumetopoea pityocampa Colony of sixth instar larvae. Note: Occurrence of this insect on Cupressus sempervirens is extremely unusual.
1428144 Turkish pine Pinus brutia forest; Note pines planted in terraces in background. Southern Cyprus
1428145 caiman Caiman spp. in river, Pantanal Region
1428146 spiny caterpillar Ormiscodes cinnamomea Mature larva
1428147 goldenhaired bark beetle Hylurgus ligniperda under bark
1428148 caiman Caiman spp. in patch of water hyacinth, Pantanal Region
1428149 caiman Caiman spp. in patch of water hyacinth, Pantanal Region
1428140 goldenhaired bark beetle Hylurgus ligniperda Adult maturation feeding damage on pine seedling, central Chile.
1428135 St. John's bread Ceratonia siliqua Dead branches are the result of feeding by rats.
1428136 spiny caterpillar Ormiscodes cinnamomea Cuncuna espinuda (Spanish common name), colony of larvae feeding on foliage, central Chile
1428137 European spruce bark beetle Ips typographus Larvae and galleries in cambium of Picea abies, eastern Austria.
1428138 golden oak of Cyprus Quercus alnifolia Acorns and foliage. This small tree is endemic to southern Cyprus.
1428130 black pine bark beetle Hylastes ater Mortality of regeneration caused by maturation feeding of adults.
1428131 black pine bark beetle Hylastes ater Mortality of natural regeneration of pine caused by adult feeding. Forestal Valparasio, near Valparaiso
1428132 black pine bark beetle Hylastes ater Injury to root collar of seedling caused by adult maturation feeding.
1428133 black pine bark beetle Hylastes ater Breeding attack in the root collar of a young pine also infected by a black stain fungus, Leptographium spp. Central Chile
1428142 capybara Hydrochaeris hydrochaeris Small group swimming in river, Pantanal Region
3948033 neem Azadirachta indica Woman grinding millet under shade of a neem tree.
3948018 Khasia pine Pinus kesiya
3948016 Khasia pine Pinus kesiya Woman tapping resin.
3948030 pine processionary moth Thaumetopoea pityocampa Pyrennes Mountains
3948046 apple Malus domestica Workers harvesting apples near Ziarat.
3948043 baobab tree/ monkey bread tree Adansonia digitata Large boabab in western Niger
3948041 camel Camelus spp. western Niger
3948048 Indian Juniper Juniperus polycarpos forest near Ziarat.
3948049 Indian Juniper Juniperus polycarpos Tree believed to be 2000 years old, Ziarat Forest.
3948050 Indian Juniper Juniperus polycarpos in Ziarat Forest.
3948051 Indian Juniper Juniperus polycarpos Overview of Ziarat Forest east of Ziarat
3948052 Indian Juniper Juniperus polycarpos Large tree in grove near Mt Arafat, Ziarat Forest
3948053 Indian Juniper Juniperus polycarpos Extinguishing a small wildfire, Ziarat Forest
3948054 Juniper dwarf mistletoe Arceuthobium oxycedri Heavy infestation on juniper, Ziarat Forest
3948055 Juniper dwarf mistletoe Arceuthobium oxycedri Heavy infestation on juniper, Ziarat Forest.
3948056 Juniper dwarf mistletoe Arceuthobium oxycedri Tree in final stages of dying from heavy infestation, Ziarat Forest.
3948061 Egyptian Thorn Acacia nilotica Aerial view of decline center of stand, Blue Nile Valley
3948062 Egyptian Thorn Acacia nilotica logs at sawmill site where they will be converted into railroad sleepers, Blue Nile Valley.
3948058 seed chalcid Megastigmus spp. Exit holes on juniper berries, Ziarat Forest.
3948059 aphids, leafhoppers, planthoppers, scale insects and allies Scales on juniper berries, Ziarat Forest.
3948064 Egyptian Thorn Acacia nilotica Sawmill where is being processed into railroad sleepers, Blue Nile Valley.
3948066 Egyptian Thorn Acacia nilotica forest in oxbow lake adjacent to the Blue Nile at flood stage.
3948067 Egyptian Thorn Acacia nilotica Railroad sleepers, Blue Nile Valley.
3948080 mangrove Sonneratia spp. Stem borer attack, mangrove forest south of Mombasa
3948082 African juniper Juniperus procera Adventitous shoot on declining tree, central Kenya
3948071 neem Azadirachta indica Woman with burro walking into a village shade by neem trees, Blue Nile Valley.
3948069 Egyptian Thorn Acacia nilotica Declining Acacia nilotica, Blue Nile Valley
3943029 European spruce bark beetle Ips typographus Salvage logging operation underway in stand killed by bark beetle, southwestern Lithuania
3943030 European spruce bark beetle Ips typographus southwestern Lithuania
3943066 Chilgoza pine Pinus gerardiana Pine nuts for sale in a market
3943067 Juniper dwarf mistletoe Arceuthobium oxycedri Male plant, Ziarat Forest.
3943068 Juniper dwarf mistletoe Arceuthobium oxycedri Close up of dwarf mistletoe plant, Ziarat Forest.
3943059 Japanese pine sawyer Monochamus alternatus Trap baited with alpha pinene and ethanol for trapping adults to determine if they are infected with pinewood nematode.
3943060 Japanese pine sawyer Monochamus alternatus Examining trap for adult beetles.
3943061 Mason pine Pinus massoniana plantation.
3943062 Mason pine Pinus massoniana Turpentine face.
3943063 Mason pine Pinus massoniana Turpentine face.
3943064 Mason pine Pinus massoniana Worker making fresh cuttings on turpentine face.
3943070 Juniper dwarf mistletoe Arceuthobium oxycedri Heavy infestation, Ziarat Forest.
3943072 cedar bark beetles Phloeosinus spp. in freshly cut juniper, Ziarat Forest.
3943078 Chinese chestnut Castanea mollissima Young orchard
3943080 metalic wood-boring beetless Chalcophora spp.
3943081 Asian chestnut gall wasp Dryocosmus kuriphilus Partially opened gall showing larvae.
3943082 chestnut weevil Mecorhis cumulatus
3943083 chestnut weevil Mecorhis cumulatus Damage to branch containing chestnut burrs by adult feeding.
3943084 Chinese chestnut Castanea mollissima Chestnut orchard
3943085 butterflies, moths or skippers Lepidoptera (Order) N/A Frass and webbing on chestnut burr indicative of borer attack.
3943086 butterflies, moths or skippers Lepidoptera (Order) N/A Discoloed chestnut burr indicative of attack by a lepidopterous borer.
3943088 butterflies, moths or skippers Lepidoptera (Order) N/A on bark.
3943089 witches' broom
3943090 Mason pine Pinus massoniana
3943091 scarabs or scarab beetles
3943092 Chinese chestnut Castanea mollissima
3943093 Turkish pine Pinus brutia
3943094 Austrian pine Pinus nigra Trodis Massif
3948024 loblolly pine Pinus taeda plantation
3948025 pine wilt nematode Bursaphelenchus xylophilus Tree mortality caused by pinewood nematode
3948026 lumber and building materials Workers processing logs for construction of Buddhist temple.
3948027 Douglas-fir beetle Dendroctonus pseudotsugae Woman processing log for construction of Buddhist temple. Logs at this site were Douglas-fir imported from the US and were infested with live beetles.
3948028 Douglas-fir beetle Dendroctonus pseudotsugae Examining Douglas-fir beetle logs imported from the US and infested with Douglas fir beetle.
3943100 seagrape sawfly Sericoceros mexicanus Female and eggs, West Bay
3943101 seagrape sawfly Sericoceros mexicanus Colony of larvae, West Bay
3943102 seagrape sawfly Sericoceros mexicanus Pair of female adults and eggs on seagrape leaf
3943103 seagrape sawfly Sericoceros mexicanus Single mature larva on seagrape leaf, West Bay
3943104 seagrape sawfly Sericoceros mexicanus First instar larvae on egg cluster
3943105 seagrape sawfly Sericoceros mexicanus Colony of larvae on seagrape leaf
3943106 seagrape sawfly Sericoceros mexicanus Colony of larvae on seagrape leaf.
3943107 seagrape sawfly Sericoceros mexicanus on branch.
3943018 Pine-tree lappet Dendrolimus pini on branch
3948077 mangrove Sonneratia spp. Denny Ward removing branch samples from Sonneratia alba with dieback, Coast south of Mombasa
3948078 mangrove Sonneratia spp. Large Buprestid larva in branch, Coast south of Mombasa
3948079 mangrove Sonneratia spp. Stem borer attack, Coast, south of Mombasa.
3948083 African juniper Juniperus procera Natural forest with Podocarpus understory, Krisia Forest
3948084 eastern juniper bark beetle Phloeosinus bicolor Boring dust on windthrown juniper, Krisia Forest
3948085 African juniper Juniperus procera Declining trees, Krisia Forest.
3948081 candelabra tree Euphorbia ingens near Marilal
3948074 mangrove Rhizophora spp. Wood harvested, coast
3948075 mangrove Rhizophora spp. coast south of Mombasa
3948096 gypsy moth Lymantria dispar Egg mass and hatching larvae.
3948097 cork oak Quercus suber
3948098 Oriental scale Aonidiella orientalis on foliage
3948099 Oriental scale Aonidiella orientalis Infestation on shoot
3948100 neem Azadirachta indica Tree with termite tubes
3948087 white leadtree Leucaena leucocephala Flowers and foliage.
3948088 white leadtree Leucaena leucocephala Fuelwood planting near Morogoro.
3948089 Tanzania Dugout canoes on lakeshore, near Morogoro
3948090 leucaena psyllid Heteropsylla cubana Infestation on leucaena shoot.
3948091 leucaena psyllid Heteropsylla cubana Infestation on leucaena shoot.
3948093 pulpwood Tractor with sled hauling pulpwood.
3948094 Scots pine Pinus sylvestris plantation near Wielbark.
3948042 neem Azadirachta indica Woman examining neem foliage.
3948037 neem Azadirachta indica Fuelwood plantation near Dosso
3948038 camel Camelus spp. feeding on indigenous trees
3948039 cattle Bos spp. Team of oxen carrying people to village
3948044 neem Azadirachta indica Street lined with neem shad trees.
3948031 neem Azadirachta indica Foliage and fruits
3948032 neem Azadirachta indica Declining trees in greenbelt plantation
3948035 neem Azadirachta indica Declining neems
3943019 Pine-tree lappet Dendrolimus pini Mature larva on branch.
3943020 conifer sawfly Diprion pini Pulpwood stacks resulting from salvage logging of pine infested by the pine sawfly
3943021 pesticides Antanov AN-2 aircraft equipped with Micronair atomizers used to spray forest defoliator outbreaks
3943014 armored scale Parlatoria crypta on branch
3943016 Oriental scale Aonidiella orientalis Heavy damage
3943017 striped mealybug Ferrisia virgata
3943007 slash pine Pinus elliottii
3943008 leucaena psyllid Heteropsylla cubana Heavy damage, Curieuse Island
3943009 leucaena psyllid Heteropsylla cubana La Digue Island
3943011 termites tubes, Green Belt
3943012 Java black rot Lasiodiplodia theobromae Dead branch in.
3943032 cypress aphid Cinara cupressivora Mr Mututu, Kenya Forest Research Institute demonstrates technique for release of Pauesia parasitoides for biocontrol of cypress aphid, western Kenya
3943025 Scots pine Pinus sylvestris Large pines with old turpentine faces.
3943026 birch Betula spp. near Kaunas
3943027 birch Betula spp. near Kaunas
3943034 patula pine Pinus patula Plantation west of Kabale.
3943035 red pine adelgid Pineus borneri Stem attack on young pine, west of Kabale.
3943036 red pine adelgid Pineus borneri Stem infestation on young pine, west of Kabale.
3943037 processing/manufacturing Pit saw, west of Kabale.
3943038 processing/manufacturing Pit saw, west of Kabale
3943039 cattle Bos spp. Ankole cattle, western Uganda
3943040 patula pine Pinus patula Two year old plantation west of Kabale.
3943041 planting Shamba system of growing forest plantations. Local farmers are allowed to plant crops in between tree seedlings until seedlings overshadow the ground. This protects seedlings from vines and other competing vegetation; West of Kabale
3943042 pineapple mealybug Dysmicoccus brevipes Group on young Casuarina seedlings killed by root scale infestation near Malindi.
3943043 pineapple mealybug Dysmicoccus brevipes Colony of scales on root system of Casuarina, near Malindi.
3943044 butterflies, moths or skippers Lepidoptera (Order) N/A Unidentified lepidopterous larva, defoliator of Fragipani, Port of Spain.
3943045 Ocote pine Pinus oocarpa Mature forest near Nueva Segovia.
3943046 Ocote pine Pinus oocarpa Mature forest near Nueva Segovia.
2912018 pineapple mealybug Dysmicoccus brevipes group tree mortality caused by the root infesting scale insect, Africa
2912019 pineapple mealybug Dysmicoccus brevipes colony of root infesting scales, Africa
2912020 flatheaded or metallic wood borer found in Mangrove forest on the coast, south of Mombasa
3943001 mistletoe Tapinanthus globiferus Infested neem, Azadirachta indica
3943002 mistletoe Tapinanthus globiferus
3943003 mealybug Oracella acuta Infested breanch
3943004 mealybug Oracella acuta Infested branch
3943005 butterflies, moths or skippers Lepidoptera (Order) N/A
1428092 tamarisk Tamarix spp. Close-up of foliage and flower, Glenwood Canyon
3948001 cypress aphid Cinara cupressivora Colony of nymphs and adults, near Muguga.
3948002 cypress aphid Cinara cupressivora Colony on branch.
3948003 cypress aphid Cinara cupressivora Cypress hedge damaged by cypress aphid infestation.
3948004 cypress aphid Cinara cupressivora Damage to cypress plantation near Muguga.
3948005 cypress aphid Cinara cupressivora
3948006 cypress aphid Cinara cupressivora Damage to a forest plantation.
3948007 cypress aphid Cinara cupressivora
3948008 flame lily Gloriosa superba Rift Valley
3948009 pyrethum daisy Chrysanthemum coccineum in central Kenya
3948010 harvesting Logging operation in plantation, Rift Vally Escarpment.
3948011 cypress aphid Cinara cupressivora Damage to mature plantation, Rift Valley Escarpment.
3948012 cypress aphid Cinara cupressivora Feeding damage on indigenous juniper, lower slopes of Mount Kenya.
3948014 cypress aphid Cinara cupressivora Aerial view of tree mortality in cypress plantation near Eldoret
3943071 honey bee Apis mellifera Beehives used to collect wildflower honey, Ziarat Forest.
3943075 bark beetle Ips latidens Galleries in windthrown spruce.
3943076 leafy spurge Euphorbia esula Close up of flower, near Fort Collins.
3943077 leafy spurge Euphorbia esula Infested meadow, Rist Canyon, west of Fort Collins
3943049 Nantucket pine tip moth Rhyacionia frustrana Attack in pine tip near Puerto Cabezas.
3943052 cork oak Quercus suber forest near Jerez de los Cabelleros.
3943053 cork oak Quercus suber Recently harvested cork oaks.
3943054 cork oak Quercus suber Tree with bark recently harvested.
3943055 cork oak Quercus suber Recently harvested cork.
3943056 cork oak Quercus suber Harvested cork, ready for processing.
3943057 cork oak Quercus suber Characteristic bark. Near Azaruja.
3943058 cork oak Quercus suber Trimming cork planks.
1428102 European elm scale Eriococcus spuria
1428103 European elm scale Eriococcus spuria on the Colorado State University campus covered with black sooty mold indicative of infestation by European elm scale.
1428118 quaking aspen Populus tremuloides at peak of fall coloring.
1428119 quaking aspen Populus tremuloides at peak of fall color.
1428120 quaking aspen Populus tremuloides Close-up of aspen leaves at peak of fall color; The red color shown here is somwhat unusual for quaking aspen, which usually turns a bright yellow color.
1428121 whitish gentian Gentiana algida Cluster of flowers along Trail Ridge Road.
1428122 Whipple's penstemon Penstemon whippleanus
1428123 American pasqueflower Pulsatilla patens Cluster of flowers.
1428124 Colorado blue columbine Aquilegia caerulea Close up of flowers.
1428125 bluebells Mertensia spp. Close-up of flower.
1428126 lupine Lupinus spp. Close-up of flower, west of Fort Collins.
1428127 yellow avalanche-lily Erythronium grandiflorum Close-up of flowers, Cameron Pass
1428128 Great Plains yucca Yucca glauca Group of plants at peak of flowering, west of Fort Collins.
1428105 purple erineum maple mite Eriophyes calcercis
1428106 southwestern tent caterpillar Malacosoma incurvum Tents, southern Utah
1428107 southwestern tent caterpillar Malacosoma incurvum tents in southern Utah
1428108 southwestern tent caterpillar Malacosoma incurvum tents and defoliation in southern Utah
1428110 southwestern tent caterpillar Malacosoma incurvum tent containing late instar larvae, southern Utah
1428111 engraver beetle Ips acuminatus Top kill caused by pine engraver beetle in Pinus sylvestris var. hamata, near Bakuriana.
1428112 engraver beetle Ips acuminatus Top kill in large Pinus sylvestris var. hamata, near Bakuriana.
1428113 European mistletoe Viscum album Infestation on Pyrus caucasica near Tetriskaro.
1428114 European mistletoe Viscum album Heavy infestation on Pyrus caucasica near Tetriskaro.
1428115 sea buckthorn Hippophae rhamnoides Close up of plant with fruit, Kura River. This plant is endemic to the Caucususe region and is considered a threatened or sensitive species.
1428116 engraver beetle Ips acuminatus Top kill of Pinus sylvestris var. hamata, near Bakuriana.
1428083 white pine weevil Pissodes strobi leader damage at.
1428084 mountain pine beetle Dendroctonus ponderosae Pair of adult beetles in egg gallery.
1428085 mountain pine beetle Dendroctonus ponderosae Larvae and galleries.
1428079 moose Alces alces Pair of moose feeding on salt lick.
1428094 tamarisk Tamarix spp. Grove of saltcedar
1428095 leafy spurge Euphorbia esula Close up of flower, Rist Canyon, near Fort Collins.
1428096 leafy spurge Euphorbia esula Grassy area invaded by leafy spurge.
1428097 leafy spurge Euphorbia esula Meadow in Rist Canyon, west of Fort Collins, invaded by leafy spurge.
1428098 leafy spurge Euphorbia esula Foliage of leafy spurge at peak of fall coloring.
1428099 pinyon spindlegall midge Pinyonia edulicola galls.
1428100 poplar twiggall fly Hexomyza schineri gall on twigs.
1428087 mountain pine beetle Dendroctonus ponderosae Group of ponderosa pines killed by mountain pine beetle.
1428081 pronghorn antelope Antilocapra americana Herd of proghorn antelope, near Moise.
1428077 elk Cervus canadensis
1428078 elk Cervus canadensis
1428069 Grevy's zebra Hippotigris grevyi Africa
1428072 greater flamingo Phoenicopterus ruber Africa
1428073 gerenuk Litocranius walleri Africa
1428074 waterbuck Kobus ellipsiprymnus Small herd of female waterbuck, Africa
1428075 mountain goat Oreamnos americanus Near summit of Mt. Evans.
1428065 cheetah Acinonyx jubatus Cheetah stalking a herd of Impala.
1428066 bat-eared fox Otocyon megalotis Pair of bat-eared foxes resting
1428061 lion Panthera leo family
1428056 spotted hyena Crocuta crocuta Africa
1428057 cape buffalo Syncerus caffer caffer at water hole, Africa
1428058 masai giraffe Giraffa camelopardalis tippelskirchi
1428059 lion Panthera leo lioness and cub, Africa
1428048 African white rhinoceros Ceratotherium simum
1428049 Burchell's zebra Equus quagga burchellii
1428050 Kirk's dik-dik Madoqua kirkii Africa
1428051 wildebeest Connochaetes taurinus Africa
1428052 Grant's gazelle Gazella granti Ngorongoro Crater, Africa
1428044 African Elephant Loxodonta africana Africa
1428045 Burchell's zebra Equus quagga burchellii
1428046 Burchell's zebra Equus quagga burchellii
1428040 white pelican Pelecanus onocrotalus Large flock of white pelicans.
1428041 cape buffalo Syncerus caffer caffer Africa
1428037 impala Aepyceros melampus Herd of female impala
1428033 goldenhaired bark beetle Hylurgus ligniperda Egg gallery in freshly cut pine stump, VIII Region.
1428034 goldenhaired bark beetle Hylurgus ligniperda Boring dust indicative of attack in fresh stump, VIII Region.
1428028 sacred fir looper Evita hyalinaria hyalinaria Adult resting on ground vegetation, near San Felipe del Progresso.
1428029 sacred fir looper Evita hyalinaria hyalinaria Aerial view of defoliation near San Felipe del Progresso.
1428030 Monterey pine Pinus radiata Pulpwood stacked for delivery to mill
1428031 goldenhaired bark beetle Hylurgus ligniperda Heavy attack in fresh logging slash
1428021 sacred fir looper Evita hyalinaria hyalinaria Aerial view of defoliation near San Felipe del Progresso
1428022 sacred fir looper Evita hyalinaria hyalinaria Aerial view of defoliation near San Felipe del Progresso
1428023 sacred fir looper Evita hyalinaria hyalinaria Aerial view of defoliation near San Felipe del Progresso.
1428024 sacred fir looper Evita hyalinaria hyalinaria Defoliation of sacred fir near San Felipe del Progresso.
1428025 sacred fir looper Evita hyalinaria hyalinaria Defoliation near San Felipe del Progresso.
1428026 sacred fir looper Evita hyalinaria hyalinaria Defoliation near San Felipe del Progresso.
1428001 sacred fir Abies religiosa "Campesino" with sprigs of sacred fir. These are commonly used to decorate homes and churches during religious festivals. Near Toluca.
1428002 sacred fir Abies religiosa Dense forest of Abies religiousa, near Mexico City. Photo was taken in 1972. Note relatively flat tops of tree crowns. This may be an early symptom of photoxidant injury.
1428003 sacred fir Abies religiosa Early symptoms of photo oxidant injury near Mexico City on older foliage.
1428004 sacred fir Abies religiosa Advanced symptoms of photo oxident injury on sacred fir near Mexico City consisting of loss of older foliage and browning of one year old foliage.
1428005 sacred fir Abies religiosa Healthy foliage, near Mexico City
1428006 sacred fir Abies religiosa Sacred fir forest in fog, near Mexico City.
1428007 sacred fir Abies religiosa Sacred fir forest, near Mexico City. Thin crowns are indicative of decline due to photo oxidant injury
1428008 sacred fir Abies religiosa Timber salvage operation underway, near Mexico City in fir forest damaged by photo oxidant pollution.
1428009 sacred fir Abies religiosa Aerial view of tree mortality caused by a combination of bark beetles and photo oxidant injury, near Mexico City.
1428010 sacred fir Abies religiosa Aerial view of tree mortality caused by a combination of bark beetles and photo oxidant pollution, near Mexico City.
1428011 air pollutants Aerial view of morning smog.
1428012 air pollutants Aerial view of a timber salvage operation conducted near Mexico City following extensive tree mortality due to bark beetles and photo oxidant pollutants.
1428013 bark beetle Pseudohylesinus variegatus near Mexico City.
1428014 Hartweg pine Pinus hartwegii Open forest of Pinus hartwegeii, near Mexico City. This pine occurs at the highest elevations of any pine species in the world, up to 14,000 feet.
1428015 Hartweg pine Pinus hartwegii Smog cloud from Mexico City as seen from a Pinus hartwegeii forest.
1428016 air pollutants Close up of foliage showing classic symptoms of ozone mottling, near Mexico City.
1428017 air pollutants Forest nursery used to grow pine seedlings to replace fir forests destroyed by air pollution and bark beetles, near Mexico City.
1428018 pulpwood Logger peeling bark from pulpwood, near Mexico City.
1428019 air pollutants Aerial view of mortality
1428109 southwestern tent caterpillar Malacosoma incurvum tent containing late instar larvae
1428129 bitter root Lewisia rediviva Group of flowers, Wyoming-Colorado border. This is the state flower of Montana.
1428104 Gynosporanium rusts Gymnosporangium spp. Telial stage
1428091 Russian-olive Elaeagnus angustifolia Close-up of foliage
1428101 oystershell scale Lepidosaphes ulmi
0758158 western balsam bark beetle Dryocoetes confusus Scattered tree mortality
0758156 fir engraver Scolytus ventralis Aerial view of tree mortality.
0758155 fir engraver Scolytus ventralis Aerial view of tree mortality.
0758154 fir engraver Scolytus ventralis Aerial view of multiple tree spots
0758152 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality
0758153 spruce beetle Dendroctonus rufipennis Aerial view of a large timber salvage operation to harvest trees killed by spruce beetle.
0758151 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality
1428054 fever tree Acacia xanthophloea Grove of fever trees, Nogorongoro Crater, Tanzania. The name "fever tree" comes from the association of this tree with low lying, wet areas, which are prime habitat for mosquitoes that carry malaria.
1428032 goldenhaired bark beetle Hylurgus ligniperda Adult, larvae and pupae in pine log
1428020 sacred fir Abies religiosa Close up of healthy foliage
1428027 sacred fir looper Evita hyalinaria hyalinaria Adult resting on sacred fir with heavy defoliation.
0758157 fir engraver Scolytus ventralis Trees attacked by Scolytus ventralis showing variety of attack patterns: top kill, branch attacks and total tree kill.
3948015 cypress aphid Cinara cupressivora Aerial view of cypress hedge around homestead killed by cypress aphid. This type of damage poses a high risk of fire damage.
3948029 Douglas-fir beetle Dendroctonus pseudotsugae Logs imported from the US for construction of a buddhist temple and infested with Douglas-fir beetle.
3948022 Masson pine caterpillar Dendrolimus punctatus Entomologist removes branch samples from infested tree for larval count.
3943095 golden oak of Cyprus Quercus alnifolia Acorn and foliage of golden oak, a species endemic to the Republic of Cyprus.
3943096 Greek strawberry tree Arbutus andrachne Foliage and fruit of a species of strawberry tree endemic to the island of Cyprus.
3943097 pine processionary moth Thaumetopoea pityocampa Procession of second instar larvae moving to a new feeding site, Turkish Cyprus
3943098 lady beetle Ladybird beetle feeding on a colony of scale insects, Republic of Cyprus
3943099 lesser pine shoot beetle Tomicus minor Turkish Cyprus
3948036 neem Azadirachta indica Red inner bark characteristic of individual trees.
3948017 Masson pine caterpillar Dendrolimus punctatus
3948065 Egyptian Thorn Acacia nilotica Head saw at sawmill where logs are being processed into railroad sleepers
3948095 Scots pine Pinus sylvestris Pine plantation with planted Norway spruce understory. This combination of species is higly susceptible to attack by nun moth, Lymantria monacha
3948072 Egyptian Thorn Acacia nilotica Flowers and foliage
3943065 Masson pine caterpillar Dendrolimus punctatus Examining trap baited with female pheromone to monitor male population levels.
3943013 Java black rot Lasiodiplodia theobromae Gummosis and canker associated with fungus infection
2251002 western gall rust Endocronartium harknessii gall on young pine
2252030 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation

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