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Image Subject Name Scientific Name Description
5495186 giant conifer aphids Cinara spp. Giant conifer aphid infestation on blue spruce
5495196 phylloxera Phylloxera popularia
5388238 termites This tembusu is infested with termites.
5388237 termites The bark on this tembusu is covered with termites. 
5444091 woolly beech aphid Phyllaphis fagi
5444089 woolly beech aphid Phyllaphis fagi
5444090 woolly beech aphid Phyllaphis fagi
5471786 emerald ash borer Agrilus planipennis This type of woodpecker activity indicates a heavily infested Ash Tree with Emerald Ash Borer.
1593049 pine bark adelgid Pineus strobi Main stem coated with cottony-like pine bark adelgids.
5454620 fall webworm Hyphantria cunea
5402104 onion aphid Neotoxoptera formosana
5401871 cottony cushion scale Icerya purchasi
5401943 cottony cushion scale Icerya purchasi
5401779 tessellated scale Eucalymnatus tessellatus
5401780 tessellated scale Eucalymnatus tessellatus
5401766 gum tree scale Eriococcus coriaceus
5447463 beech scale Cryptococcus fagisuga
1207028 fir engraver Scolytus ventralis Close-up view of bole showing infestation in Goodman Ridge area, Walla Walla Ranger District, 1976
5445625 elm spanworm Ennomos subsignaria late instars
5454003 black pineleaf scale Dynaspidiotus californica newly settled scales
1247035 woolly pine scale Pseudophilippia quaintancii
5445876 giant willow aphid Tuberolachnus salignus
5445880 giant willow aphid Tuberolachnus salignus
5445634 cotton aphid Aphis gossypii
5445563 magnolia scale Neolecanium cornuparvum Infested landscape shrub next to house, August 2008
5445301 rabbitbrush beetle Trirhabda nitidicollis Defoliation of rabbit brush by larva
5445264 mealy plum aphid Hyalopterus pruni summer host
1468076 pinyon ips Ips confusus
5444546 winter moth Operophtera brumata
5401460 yellow scale Aonidiella citrina
4836004 pine needle scale Chionaspis pinifoliae heavy infestation on mugo pine
4544054 northern bark beetle Ips duplicatus
4212002 forest tent caterpillar Malacosoma disstria severe defoliation
2721073 balsam woolly adelgid Adelges piceae Clingman's Dome Category: Damage 3 Great Smokey Mountains National Park stand killed
0805053 giant conifer aphids Cinara spp. aphids on spruce
0795083 white pine aphid Cinara strobi
1325021 cooley spruce gall adelgid Adelges cooleyi on Douglas-fir
1398221 pine bark adelgid Pineus strobi White coated bark on a pole-sized white pine. Waushara County, WI
0907010 pine bark adelgid Pineus strobi white, woolly tufts wax coat trunk of white pine
4544093 larch casebearer Coleophora laricella
1361129 woolly pine scale Pseudophilippia quaintancii
5119083 armored scale Aonidomytilus ceanothi Collector: J.Davidson Date of photograph or collection: 7/24/1979
5115005 striped mealybug Ferrisia virgata Collector: K.Miller Date of photograph or collection: 5/8/1987
5115012 green scale Coccus viridis Date of photograph or collection: 3/26/1977
5114086 oystershell scale Lepidosaphes ulmi mistletoe host found in fir species Collector: Adams Date of photograph or collection: 4/21/1983
5120040 fig scale Lepidosaphes conchiformis Collector: J.Davidson Date of photograph or collection: 7/20/1979
5120042 fig scale Lepidosaphes conchiformis Collector: D.R.Miller Date of photograph or collection: 7/20/1979
5120043 fig scale Lepidosaphes conchiformis Collector: D.R.Miller Date of photograph or collection: 7/20/1979
5120044 fig scale Lepidosaphes conchiformis Collector: D.R.Miller Date of photograph or collection: 7/20/1979
1468213 western spruce budworm Choristoneura freemani September 1978
1371028 beech scale Cryptococcus fagisuga Banský Studenec, Slovakia
5118072 fern scale Pinnaspis aspidistrae Collector: S. Piper Date of photograph or collection: 10/09/1981
5122070 Mexican mealybug Phenacoccus gossypii Collector: H.L.McKenzie Date of photograph or collection: 09/07/1961
5115062 mealybug Dysmicoccus ryani Collector: Paddock Date of photograph or collection: 5/7/1980
5113075 mealybug Dysmicoccus ryani Collector: Paddock Date of photograph or collection: 5/7/1980
5113066 armored scale Selenaspidus rubidus Collector: K.Shimoda Date of photograph or collection: 2/16/1983
5113079 palmetto scale Comstockiella sabalis Collector: R.J.GIll Date of photograph or collection: 2/1975
5114032 armored scale Haliaspis spartinae Collector: K.Boyer Date of photograph or collection: 05/01/1995
5114084 oystershell scale Lepidosaphes ulmi Collector: Donahue Date of photograph or collection: 7/18/1977
5292061 white peach scale Pseudaulacaspis pentagona
5124090 armored scale Chionaspis nyssae Collector: J.A.Davidson Date of photograph or collection: 8/10/1976
5120088 grenade scale Cerococcus deklei Collector: M.L. Williams Date of photograph or collection: 06/1977
5137041 euonymus scale Unaspis euonymi Date of photograph or collection: 08/28/1978
5123022 armored scale Opuntiaspis javanensis Collector: J.Wood Date of photograph or collection: 11/28/1978
5123023 armored scale Opuntiaspis javanensis Collector: J. Wood Date of photograph or collection: 11/28/1978
5123020 Japanese maple scale Lopholeucaspis japonica Collector: J.Davidson Date of photograph or collection: 05/1976
5110084 mealybug Cataenococcus olivaceus
5111086 common falsepit scale Lecanodiaspis prosopidis
5114095 mealybug Cucullococcus vaccinii Host is a species of heather broom Collector: C.Crumb Date of photograph or collection: 1/23/1984
5114096 mealybug Cucullococcus vaccinii host is a species of heather broom Collector: C.Crumb Date of photograph or collection: 1/23/1984
5114097 mealybug Cucullococcus vaccinii Host is a species of heather broom Collector: C.Crumb Date of photograph or collection: 1/23/1984
5115007 striped mealybug Ferrisia virgata Collector: Haig Date of photograph or collection: 9/17/1975
5114099 golden oak scale Asterolecanium variolosum Collector: S.Dreistat Date of photograph or collection: 02/07/1991
5114100 golden oak scale Asterolecanium variolosum Collector: S.Dreistat Date of photograph or collection: 02/07/1991
5115033 armored scale Lepidosaphes yanagicola Collector: Miller Date of photograph or collection: 11/1979
5115045 armored scale Targionia yuccarum Date of photograph or collection: 4/1977
5118093 purple scale Lepidosaphes beckii Collector: D.R. Miller Date of photograph or collection: 07/27/1979
5137049 papaya mealybug Paracoccus marginatus
5123004 steklovidnaya shitovka Melanaspis inopinata Collector: J.Davidson Date of photograph or collection: 03/19
5123005 steklovidnaya shitovka Melanaspis inopinata Collector: J.Davidson Date of photograph or collection: 06/1975
5109090 papaya mealybug Paracoccus marginatus
5124067 armored scale Crassaspis multipora
5124013 false pit scales Lecanodiaspis spp. Collector: Alton Walker Date of photograph or collection: 02/1976
5113052 rose scale Aulacaspis rosae Collector: W. Gimpel Date of photograph or collection: 10/1979
5113067 false pit scale Lecanodiaspis rufescens Collector: Gilbert/Poore Date of photograph or collection: 09/30/1975
5113087 armored scale Chionaspis sassceri Collector: Easley et al. Date of photograph or collection: 5/12/1976
5113088 armored scale Chionaspis sassceri Collector: Easley et al. Date of photograph or collection: 5/12/1976
5113089 armored scale Chionaspis sassceri Collector: Easley et al. Date of photograph or collection: 5/12/1976
5114015 mealybug Phenacoccus solani Collector: Bingham Date of photograph or collection: 10/16/1953
5115032 armored scale Lepidosaphes yanagicola Collector: Miller Date of photograph or collection: 11/1979
5109085 coconut scale Aspidiotus destructor collected by J. Davidson
1199030 pine bark adelgid Pineus strobi
1199029 pine bark adelgid Pineus strobi Pine bark adelgid infestation on the bark of an eastern white pine
1199031 beech scale Cryptococcus fagisuga
3226097 striped pine scale Toumeyella pini close-up on pine
1241748 balsam woolly adelgid Adelges piceae
5438871 aphid Aphis sambuci
5438872 aphid Aphis sambuci
5438873 aphid Aphis sambuci
5438874 aphid Aphis sambuci
1398224 pine bark adelgid Pineus strobi Whitewashed appearance on a heavily infested stem. Waushara County, Wisconsin
1398223 pine bark adelgid Pineus strobi White cottony masses on the bark
3056024 oak lecanium Parthenolecanium quercifex
3040051 pine bark adelgid Pineus strobi
1227082 terrapin scale Mesolecanium nigrofasciatum
1435130 azalea bark scale Eriococcus azaleae They have rather soft scales and soft bodies covered with a white powdery wax. Mealybugs eat plants by sucking sap and producing honeydew, which attracts ants and supports the growth of sooty- mold fungi.
1440114 green peach aphid Myzus persicae The green peach aphid is a pale green, soft- bodied insect that is found in clusters on the underside of tobacco leaves. The 1/16-inch long "plant lice" use their sucking mouthparts to remove sap from the plants. Feeding by large numbers of aphids results in thin, lightweight leaves that may ripen prematurely. The sugar rich "honeydew" excreted by aphids builds up on the leaf surface and supports growth of black, sooty mold. The honeydew may cause leaves to stick together and cure to a dark, off-color of poor quality. Green peach aphids may transmit viruses such as tobacco vein mottling virus through their mouthparts. Aphid populations build up after winged females fly into tobacco fields, usually during the middle portion of the growing season. They settle on the leaf to feed and give birth to living young. Large populations can build up in a short period of time due to their short life cycle and the occurrence of several generations during a growing season.
1361256 redheaded pine sawfly Neodiprion lecontei
4912081 spittlebug Aphrophora salicina
3226044 aphids on stem
1626009 hemlock woolly adelgid Adelges tsugae Underneath the wax, adelgids resemble tiny, plump aphids without cornicles.
1626026 magnolia scale Neolecanium cornuparvum The largest scale insect in the United States.
5388251 lace bugs Damage and exudate of lace bugs on foliage.
5388322 obscure scale Melanaspis obscura
5388348 termites A termite infestation grips this tree.
5388349 termites Tunnels on the inside fo a tree trunk provide routes for termites.
0795076 balsam woolly adelgid Adelges piceae
5110076 black scale Saissetia oleae
5111075 pit scale Pollinia pollini
5111077 pit scale Pollinia pollini
5111078 pit scale Pollinia pollini
5112074 mealybugs Nipaecoccus spp.
5114075 mealybug on Caralluma Vryburgia trionymoides
5114062 armored scale Unachionaspis tenuis
5113098 armored scale Cupressaspis shastae
5113050 pit scales Asterolecanium spp. Asterolecanium sp. near robustum Green
5113051 pit scales Asterolecanium spp. Asterolecanium sp. near robustum Green
5123002 soft scale Neopulvinaria innumerabilis
5432155 willow scale Diaspidiotus gigas
0541069 beech scale Cryptococcus fagisuga
1468145 spittlebugs or froghoppers
0534090 European spruce bark beetle Ips typographus
1587167 cooley spruce gall adelgid Adelges cooleyi
1398217 black pineleaf scale Dynaspidiotus californica Mugo pine needles infested with black pineleaf scales. Photo taken in Moundsview MN, stressed ornamental mugo pine.
0488049 balsam woolly adelgid Adelges piceae
5429898 white prunicola scale Pseudaulacaspis prunicola males
0795084 pine bark adelgid Pineus strobi on white pine
1274059 pine bark adelgid Pineus strobi
1468412 Ips engraver beetles Ips spp. bad slash disposal
0590098 balsam woolly adelgid Adelges piceae stand mortality at Mt. Mitchell
1587164 giant conifer aphids Cinara spp. , Colony of giant conifer aphids on grand fir
1398051 beech scale Cryptococcus fagisuga Trunk covered with scale. Michigan's upper peninsula, 2004.
1398049 beech scale Cryptococcus fagisuga Beech scale covering the bark of a larger American beech. Upper Peninsula of Michigan, 2002
0012012 Ichneumonid wasp Orthocentrus fulvipes outstanding swarming of a parasitoid of Cephalcia arvensis
1468001 Douglas-fir tussock moth Orgyia pseudotsugata defoliated grand fir
1171022 mountain pine beetle Dendroctonus ponderosae Pitch tubes
1220096 willow scale Chionaspis salicis
1468218 Douglas-fir beetle Dendroctonus pseudotsugae
2253020 balsam woolly adelgid Adelges piceae
2168033 gypsy moth Lymantria dispar June 2006
1293003 hemlock woolly adelgid Adelges tsugae Pale crown appearance with no new growth indicate this tree is under severe attack from Hemlock Woolly Adelgids.
1540696 European fruit lecanium Parthenolecanium corni
0949050 pine needle scale Chionaspis pinifoliae
1468098 spruce beetle Dendroctonus rufipennis Manti-LaSal National Forest, Utah
1357014 Russian wheat aphid Diuraphis noxia
1171027 Douglas-fir beetle Dendroctonus pseudotsugae Boring frass in bark crevices
2106077 aphids
1468125 white fir needleminer Epinotia meritana
5388271 horned oak gall Callirhytis cornigera Oak horngall on oak
5388263 magnolia scale Neolecanium cornuparvum This magnolia is infested with magnolia scale.  Scales are devastating and difficult to control.
5391809 hemlock woolly adelgid Adelges tsugae
5425733 kudzu bug Megacopta cribraria Not yet determined if it feeds on corn. These bugs were found on a volunteer corn plant in a soybean field. The bugs like objects that are vertical in fields (ie bicycle flags, corn plants). Taken July 9, 2010
5369849 cochineal insect Dactylopius coccus Nopal cactus pads infested with cochineal scale after approximately one month.
5053062 beech scale Cryptococcus fagisuga Heavy infestation of Cryptococcus fagisuga scale on American beech
5422136 woolly elm aphid Eriosoma americanum colony on Amelanchier roots
1540658 pine tortoise scale Toumeyella parvicornis
1540652 pine tortoise scale Toumeyella parvicornis
1540629 pine tortoise scale Toumeyella parvicornis
1543556 yucca plant bug Halticotoma valida
1549399 woolly alder aphid Prociphilus tessellatus
1549407 woolly alder aphid Prociphilus tessellatus
1549377 white pine aphid Cinara strobi
5407090 mealybugs
5407092 mealybugs
5403450 western flower thrips Frankliniella occidentalis thrips and damage
5403461 western flower thrips Frankliniella occidentalis thrips and damage
5183061 cycad aulacaspis scale Aulacaspis yasumatsui
5403740 soapberry borer Agrilus prionurus Infested soapberry & bark chips
5196043 pink hibiscus mealybug Maconellicoccus hirsutus
5196046 pink hibiscus mealybug Maconellicoccus hirsutus
5196009 pink hibiscus mealybug Maconellicoccus hirsutus
5196010 pink hibiscus mealybug Maconellicoccus hirsutus
5196013 pink hibiscus mealybug Maconellicoccus hirsutus
5048095 beech scale Cryptococcus fagisuga Cryptococcus fagisuga on American beech.
5048096 beech scale Cryptococcus fagisuga Cryptococcus fagisuga on American beech.
5392774 Asian longhorned beetle Anoplophora glabripennis Heavy infestation
5377906 European spruce bark beetle Ips typographus
5378260 European spruce bark beetle Ips typographus
5382090 lesser grain borer Rhyzopertha dominica Stuffed teddy bear filled with grain heavily infested with lesser grain borer.  
5377647 adelgid Dreyfusia nordmannianae
5377811 woolly beech aphid Phyllaphis fagi
5377805 woolly beech aphid Phyllaphis fagi
5124097 lobate lac scale Paratachardina pseudolobata
5377640 adelgid Dreyfusia nordmannianae crawlers on the basal side of the needles
5378070 gall midge Dryomia circinnans
5371212 pine bark adelgid Pineus strobi
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.
0758007 aphids Aphid colony on chrysanthemum
0758006 aphids Aphid colony on lupine
0758030 gypsy moth Lymantria dispar Defoliation of oaks and other broadleaf trees
0758032 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
5378095 soft scale Parthenolecanium rufulum
5378077 gall midge Dryomia circinnans
5378075 gall midge Dryomia circinnans
5378076 gall midge Dryomia circinnans
5378072 gall midge Dryomia circinnans
5378073 gall midge Dryomia circinnans
5378074 gall midge Dryomia circinnans
5378079 aphid Lachnus roboris
5378078 aphid Lachnus roboris Adults and nymphs
5377975 aphid Schizolachnus pineti
1370039 European spruce bark beetle Ips typographus Outbreak area on the forest border area
1269025 European spruce bark beetle Ips typographus Infested stand
2113050 European spruce bark beetle Ips typographus killed stand due to infestation; summer 1998
5378572 European spruce bark beetle Ips typographus
5378578 European spruce bark beetle Ips typographus
5378576 European spruce bark beetle Ips typographus
5378577 European spruce bark beetle Ips typographus
5378574 European spruce bark beetle Ips typographus
3948086 red pine adelgid Pineus borneri Infested branch near Muguga
5081030 gypsy moth Lymantria dispar egg masses
5371252 large larch bark beetle Ips cembrae
5371245 larch casebearer Coleophora laricella
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
1496422 woolly apple aphid Eriosoma lanigerum Woolly apple aphids
5304018 waterlily aphid Rhopalosiphum nymphaeae Multiple colonies on cattail leaves in water garden
1398262 birch leafminer Fenusa pusilla A heavily infested landscape tree
1510053 balsam woolly adelgid Adelges piceae Balsam wooly adelgid infested fir bole
1510039 locust leafminer Odontota dorsalis Locust leaf miner damage (landscape scale)
2254044 cooley spruce gall adelgid Adelges cooleyi
5195076 pink hibiscus mealybug Maconellicoccus hirsutus
5195095 pink hibiscus mealybug Maconellicoccus hirsutus
5195074 pink hibiscus mealybug Maconellicoccus hirsutus
5194048 brown citrus aphid Toxoptera citricida
5194050 brown citrus aphid Toxoptera citricida
5135079 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
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
5135046 spruce beetle Dendroctonus rufipennis Aerial view of defoliation, Rawah Range, Roosevelt, NF, CO
5136097 fir engraver Scolytus ventralis Aerial view of damage, Carson NF, NM
5136098 fir engraver Scolytus ventralis Aerial view of damage, Carson NF, NM
1626004 white pine aphid Cinara strobi The white pine aphid feeds on the bark of twigs and branches. Heavy aphid infestations can seriously weaken small trees.
2167059 fir engraver Scolytus ventralis Aerial view of tree mortality
2167060 fir engraver Scolytus ventralis Aerial view of damage
2167062 fir engraver Scolytus ventralis Aerial view of damage
2167063 fir engraver Scolytus ventralis Aerial view of damage
2167011 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
1479007 jack pine budworm Choristoneura pinus pinus Characteristic top-kill and mortality in jack pine following a jack pine budworm outbreak. Photo taken on the Chequamegon National Forest, northwest Wisconsin.
5006091 Asian citrus psyllid Diaphorina citri
1319097 mealybug Trabutina mannipara Mealybugs (Trabutina mannipara) are being considered as a biological control agent for saltceder. These egg sacs are on saltcedar in quarantine at Temple, Texas.
5123085 latania scale Hemiberlesia lataniae Collector: R.J.Gill Date of photograph or collection: 01/07/1980
5121047 uncertain eriococcin Eriococcus dubius Collector: D.R.Miller Date of photograph or collection: 05/1976
5121031 Mt. Diablo eriococcin Eriococcus diaboli Host is a species of grass. Collector: R.J.Gill Date of photograph or collection: 04/15/1981
5121043 armored scale Diaspis dignus Collector: R.J.Gill Date of photograph or collection: 01/23/1994
5122021 armored scale Duplachionaspis exalbida Collector: Sciarra Date of photograph or collection: 02/26/1975
5082071 mealybugs Maconellicoccus spp.
5120032 hemispherical scale Saissetia coffeae Collector: J.Kincaid Date of photograph or collection: 08/12/1977
5110095 armored scale Chionaspis ortholobis Collector: Gilbert/Griffin Date of photograph or collection: 8/26/1975
5110096 armored scale Chionaspis ortholobis Collector: Gilbert/Griffin Date of photograph or collection: 8/26/1975
1320005 red imported fire ant Solenopsis invicta Entomologist Roberto Pereira and technician Susan Reidel examine a red imported fire ant colony for the presence of ants infected with the recently discovered yellow-head disease.
1475042 forest tent caterpillar Malacosoma disstria Mass of larvae on trunk. Lighter colored caterpillars have recently molted.
5021019 gypsy moth Lymantria dispar
5021040 bagworm Thyridopteryx ephemeraeformis
5020036 gypsy moth Lymantria dispar
5020050 gypsy moth Lymantria dispar
5019059 fall webworm Hyphantria cunea
4836041 pine needle scale Chionaspis pinifoliae heavy infestation on mugo pine
2181087 black pineleaf scale Dynaspidiotus californica
2182022 pine tortoise scale Toumeyella parvicornis
5050027 cooley spruce gall adelgid Adelges cooleyi
2182032 spruce gall adelgid Pineus similis
2183093 pine tortoise scale Toumeyella parvicornis with crawlers in display case
2183085 oystershell scale Lepidosaphes ulmi
2182007 European fruit lecanium Parthenolecanium corni
2183091 pine needle scale Chionaspis pinifoliae
1518059 balsam woolly adelgid Adelges piceae Stem attack on Abies fraseri, Mt. Mitchell State Park, NC, ca 1961.
2721075 balsam woolly adelgid Adelges piceae Clingman's Dome Category: Damage 2 stand killed - Great Smokey Mountains National Park
2113080 larch casebearer Coleophora laricella symptoms of heavy damage
1212097 white satin moth Leucoma salicis Elk Flat, Walla Walla RD, Umatilla NF
1212099 white satin moth Leucoma salicis Close-up view of stand with defoliation; Elk Flat, Walla Walla RD, Umatilla NF
2113045 beech scale Cryptococcus fagisuga infested stem; September 1996
2111063 European spruce bark beetle Ips typographus infestation spot in Norway spruce stand; June 1999
0758160 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758161 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
0758169 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758171 western spruce budworm Choristoneura freemani Defoliation
2200031 papaya mealybug Paracoccus marginatus
2168031 gypsy moth Lymantria dispar June 2006
2168026 gypsy moth Lymantria dispar
1467452 mountain pine beetle Dendroctonus ponderosae
1467453 mountain pine beetle Dendroctonus ponderosae
0541027 willow leaf beetle Chrysomela vigintipunctata
1470061 true fir bark beetles Scolytus spp.
1468263 cooley spruce gall adelgid Adelges cooleyi
2106071 potato aphid Uroleucon pseudambrosiae red biotype
1468358 pine tube moth Argyrotaenia pinatubana
1468073 pinyon needle scale Matsucoccus acalyptus 1970
1470113 horned oak gall Callirhytis cornigera
1398110 Asian longhorned beetle Anoplophora glabripennis
2102099 passionvine mealybug Planococcus minor
1393007 Asian longhorned beetle Anoplophora glabripennis Street before infested trees were removed. See image#1393008 for picture of street after infested trees were removed. Ravenswood infestation - Chicago - Oct 1998
1626024 soft scales Parthenolecanium spp. Female scale insects lay their eggs under their bodies or scale covers. When they first hatch, young scales have legs and are quite active. At this stage, they are called crawlers. Crawlers disperse, locate new feeding sites, and then transform into immobile adults.
1244007 Red gum lerp Glycaspis brimblecombei VI Region, Chile
1244008 Red gum lerp Glycaspis brimblecombei VI Region, Chile
1276004 hemlock woolly adelgid Adelges tsugae Recently infested
1748039 balsam woolly adelgid Adelges piceae
1265117 calico scale Eulecanium cerasorum
1626029 wax scales Ceroplastes spp. Wax scale is an easily recognized pest of azalea, camellia, Chinese holly, and many other ornamental plants.
1626036 obscure scale Melanaspis obscura Primarily found on oaks, this pest causes dieback of branches, limbs, and sometimes entire trees. Inexperienced observers often mistake these scales for flakes of bark even at close range.
1626033 euonymus scale Unaspis euonymi Enonymus scale has two to three generations per year and can build up until whole plants are covered by scales.
1626034 euonymus scale Unaspis euonymi Male and female enonymus scales are so different in appearance that they are often mistaken for different species. The males are small, narrow, and white and occur primarily on the leaves.
1626003 aphids Aphids feed in colonies. They have plump, pear-shaped bodies and two tubes, or cornicles, which project like exhaust pipes from their abdomens.
1626039 white peach scale Pseudaulacaspis pentagona
1626030 fletcher scale Parthenolecanium fletcheri Due to premature needle drop, infested plants become thin and a crust of sooty mold covers twigs and remaining needles
1254046 woolly apple aphid Eriosoma lanigerum Fort Collins, CO.
1254051 European elm scale Eriococcus spuria Fort Collins, CO.
1254050 oystershell scale Lepidosaphes ulmi Fort Collins, CO.
1254044 aphids Aphid colonies on chyranthemum, Fort Collins, CO.
1254045 aphids Fort Collins, CO.
1254043 aphids
1307019 pineapple mealybug Dysmicoccus brevipes Close-up of scales on root of Casuarina.
1241522 aphids
1325081 oystershell scale Lepidosaphes ulmi Crawlers present after egg hatch
1325067 currant aphid Cryptomyzus ribis
1171023 mountain pine beetle Dendroctonus ponderosae Pitch tubes
3948059 aphids, leafhoppers, planthoppers, scale insects and allies Scales on juniper berries, Ziarat Forest.
3948098 Oriental scale Aonidiella orientalis on foliage
3948099 Oriental scale Aonidiella orientalis Infestation on shoot
3948090 leucaena psyllid Heteropsylla cubana Infestation on leucaena shoot.
3948091 leucaena psyllid Heteropsylla cubana Infestation on leucaena shoot.
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.
3943017 striped mealybug Ferrisia virgata
3943009 leucaena psyllid Heteropsylla cubana La Digue Island
3943042 pineapple mealybug Dysmicoccus brevipes Group on young Casuarina seedlings killed by root scale infestation near Malindi.
3943003 mealybug Oracella acuta Infested breanch
3943004 mealybug Oracella acuta Infested branch
3948002 cypress aphid Cinara cupressivora Colony on branch.
3943014 armored scale Parlatoria crypta on branch
1428102 European elm scale Eriococcus spuria
1435125 aphids on rose
1150115 giant bark aphid Longistigma caryae The giant bark aphid is the largest aphid in North America. During December 2001 and through most of March 2002, an outbreak of this aphid was found covering about the eastern quarter of Texas. They mainly attacked oak trees, especially live oak and water oak. Natural enemies, such as lady beetles, played an important role in controlling aphid populations. During winter months when temperatures are cold, predator and parasite insects are not very active, and this may be the reason aphid populations became so large early in 2002.
4061085 forest tent caterpillar Malacosoma disstria defoliation at Chappewa National Forest, Minnesota, May 1952
3067042 boxelder bug Boisea trivittata aggregating in fall
1748048 hemlock woolly adelgid Adelges tsugae thinning of crown
1748015 aphids on locust
0488086 pine bark adelgid Pineus strobi to white pine

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