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Colorado State University

Colorado State University is one of our nation's leading research universities with world-class research in infectious disease, atmospheric science, clean energy technologies, and environmental science. It was founded in 1870 as the Colorado Agricultural College, six years before the Colorado Territory became a state.

Colorado State University, located in Fort Collins, Colorado, is situated on nearly 5,000 acres of land, including the main campus, a foothills campus, an agricultural campus, and a mountain campus (Pingree Park). Colorado State also has 4,600 acres for research centers, Cooperative Extension offices, and Colorado State Forest Service stations.
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Image Subject Name Scientific Name Description
5490316 Japanese beetle Popillia japonica Damage to petals and also adults shown
5366079 cotoneaster Cotoneaster spp. Foliage and fruits of Cotoneaster sp.
1243099 privet thrips Dendrothrips ornatus feeding injury to older privet foliage.
1476134 crown gall Rhizobium radiobacter Crown gall infection in container grown cotoneaster
1455077 lilac root weevil Otiorhynchus meridionalis Extensive defoliation
1455119 rose aphid Macrosiphum rosae
1243098 privet thrips Dendrothrips ornatus feeding injury to privet foliage.
5369839 white apple leafhopper Typhlocyba pomaria White flecking stippling characteristic of white apple leafhopper feeding
5369865 azalea lace bug Stephanitis pyrioides Old injury with healthy new growth
5369941 cabbage looper Trichoplusia ni Young pupa within cocoon
5422209 eugenia psyllid Trioza eugeniae leaf distortion produced by nymphal feeding
5422203 eugenia psyllid Trioza eugeniae nymphs and adults
5422204 eugenia psyllid Trioza eugeniae nymphs and adults
5422205 eugenia psyllid Trioza eugeniae teneral adult
5422206 eugenia psyllid Trioza eugeniae leaf distortion produced by nymphal feeding
5422207 eugenia psyllid Trioza eugeniae leaf distortion produced by nymphal feeding
5422208 eugenia psyllid Trioza eugeniae leaf distortion produced by nymphal feeding
5422190 rose aphid Macrosiphum rosae colony on rose bud
5422189 rose aphid Macrosiphum rosae colony with adult birthing nymph
5393598 clover leaf weevil Hypera punctata
5393580 alligator juniper Juniperus deppeana
5393591 alligator juniper Juniperus deppeana
5393589 mottled tortoise beetle Deloyala guttata Larva with fecal shield
5393578 hollyhock weevil Rhopalapion longirostre The female (right) is feeding in the developing seed pod.
5393577 hollyhock weevil Rhopalapion longirostre Shothole foliage injury symptom
5393576 sumac flea beetle Blepharida rhois
5393574 sumac flea beetle Blepharida rhois Late instar larva.  A fecal shield is present behind the head.
5393575 sumac flea beetle Blepharida rhois Late instar larvae.  A fecal shield is present behind the head.
5393573 sumac flea beetle Blepharida rhois Late instar larvae.  A fecal shield is present behind the head.
5393547 flea beetle Kuschelina barberi
5382193 spirea aphid Aphis spiraecola Honeydew excreted by spirea aphid colony.  
5382194 spirea aphid Aphis spiraecola Colony on spirea twig.  
5382042 cedar bark beetles Phloeosinus spp. Twig die-back from maturation feeding by adult cedar bark beetles.  
5366435 tabardillo Calliandra californica The flowers of a tabardillo at the Phoenix Botanical Gardens in Arizona.
5366432 candelilla Euphorbia antisyphilitica Candelilla at the Phoenix Botanical Gardens in Arizona.
5366430 guayule Parthenium argentatum A guayule plant in bloom at the Phoenix Botanical Gardens in Arizona.
5366429 guayule Parthenium argentatum A guayule at the Phoenix Botanical Gardens in Arizona.
5366397 elephant bush Portulacaria afra An elephant bush at the Phoenix Botanical Gardens in Arizona.
5366398 elephant bush Portulacaria afra An elephant bush at the Phoenix Botanical Gardens in Arizona.
5366393 cenizo Leucophyllum laevigatum A cenizo shrub in bloom at the Phoenix Botanical Gardens in Arizona.
5366392 cenizo Leucophyllum laevigatum A cenizo shrub in bloom at the Phoenix Botanical Gardens in Arizona.
5366380 desert willow Chilopsis linearis The flowers of a desert willow at the Phoenix Botanical Gardens in Arizona.
5366379 desert willow Chilopsis linearis Desert willows at the Phoenix Botanical Gardens in Arizona.
5366871 tabardillo Calliandra californica Tabardillo plants at the Phoenix Botanical Gardens in Arizona.
5357474 frost and winter injury (general) Winter injury on the ornamental Canadian Yew.
5367091 bird-of-paradise Strelitzia reginae The flowers of a bird-of-paradise plant.
5369779 lupine bug Megalotomus quinquespinosus Adult
5369815 European mantid Mantis religiosa Adult male, brown phase
5369766 hackberry nipplegall maker Pachypsylla celtidismamma Cast skins following emergence of adults from galls in September
5369753 currant borer Synanthedon tipuliformis Larva within tunnel of currant cane
5369752 currant borer Synanthedon tipuliformis Larva within tunnel of currant cane
5360131 bougainvillea Bougainvillea spp. Bougainvillea growing on and over a monastery in Cartagena, Colombia.
5360956 hibiscus Hibiscus spp. A white hibiscus blossom with red center.
5360954 hibiscus Hibiscus spp. Bright yellow hibiscus blossom.
5360955 hibiscus Hibiscus spp. A white hibiscus blossom with red center.
5360953 hibiscus Hibiscus spp. Creamy yellow hibiscus blossom.
5360951 hibiscus Hibiscus spp. Close-up view of a red hibiscus blossom.
5360952 hibiscus Hibiscus spp. Close-up view of a deep pink hibiscus blossom.
5360950 hibiscus Hibiscus spp. Red hibiscus blossoms.
5360949 hibiscus Hibiscus spp. Close-up view of a red hibiscus blossom.
5360948 hibiscus Hibiscus spp. Hibiscus blossom.
5360946 hibiscus Hibiscus spp. Hibiscus blossom in bloom.
5360947 hibiscus Hibiscus spp. Hibiscus blossom in bloom.
5360945 hibiscus Hibiscus spp. Hibiscus blossom in bloom.
5360943 hibiscus Hibiscus spp. Hibiscus blossom in bloom.
5360944 hibiscus Hibiscus spp. Hibiscus blossom in bloom.
5360942 hibiscus Hibiscus spp. Hibiscus blossom in bloom.
5360941 hibiscus Hibiscus spp. Hibiscus blossom in bloom.
5360940 hibiscus Hibiscus spp. Hibiscus blossom in bloom, Homestead, Florida.
5357457 crown rust Puccinia coronata Close-up view of aecia and pycnia of crown rust of oat (Puccinia coronata) on a leaf of its alternate host, common buckthorn (Rhamnus cathartica).
5366075 Woods' rose Rosa woodsii The Wood's Rose as an ornamental shrub.
5366069 Scots pine Pinus sylvestris The Scotch Pine as an ornamental plant.
5366076 skunkbush sumac Rhus trilobata Foliage of skunkbush sumac, Rhus trilobata.
5357467 sooty mold Sooty mold symptoms caused by Dibotryon morbosum on an ornamental shrub.
5366801 powdery mildew Erysiphe syringae Powdery mildew (Microsphaera syringae) on a lilac leaf.
5366800 powdery mildew Erysiphe syringae Severe infestation of powdery mildew (Microsphaera syringae) on a lilac.
5367238 bacterial gummosis Pseudomonas syringae Symptoms of bacterial blight (Pseudomonas syringae) on a lilac.
5367237 bacterial gummosis Pseudomonas syringae Signs and symptoms of bacterial blight (Pseudomonas syringae) on a lilac.
5367236 bacterial gummosis Pseudomonas syringae Symptoms of bacterial blight (Pseudomonas syringae) on a lilac.
5367235 bacterial gummosis Pseudomonas syringae Symptoms of bacterial blight (Pseudomonas syringae) on leaves of a lilac.
5367234 bacterial gummosis Pseudomonas syringae Signs and symptoms of bacterial blight (Pseudomonas syringae) on a lilac.
5366442 Stigmina fungus Wilsonomyces carpophilus Potted chokecherry plant showing symptoms of shothole fungus, Wilsonomyces carpophilus.
5366441 Stigmina fungus Wilsonomyces carpophilus Potted chokecherry plant showing symptoms of shothole fungus, Wilsonomyces carpophilus.
5366443 Stigmina fungus Wilsonomyces carpophilus Symptoms of shothole fungus (Wilsonomyces carpophilus) on a chokecherry leaf.
5303027 black vine weevil Otiorhynchus sulcatus
5303071 predatory mites Sachet containing bran and mites for release in nursery planting.
5302070 rabbitbrush beetle Trirhabda nitidicollis
5209035 ash borer Podosesia syringae Adult male approaching pheromone trap
5209036 imported currantworm Nematus ribesii Late stage larvae
5209037 imported currantworm Nematus ribesii Newly hatched larvae and associated shothole feeding injury initially produced
5209038 imported currantworm Nematus ribesii Early stage larvae
5209039 imported currantworm Nematus ribesii
5209040 imported currantworm Nematus ribesii
5209041 imported currantworm Nematus ribesii
5209042 imported currantworm Nematus ribesii
5188002 oystershell scale Lepidosaphes ulmi Heavy infestation
5188021 Virginia creeper clearwing Albuna fraxini Late stage larva in stem
5188022 Virginia creeper clearwing Albuna fraxini Late stage larva in stem
2200098 metalic wood-boring beetle Agrilus macer Adult resting on mesquite leaf. July 10, 2006
5082075 rose aphid Macrosiphum rosae spring colony on rose bud
2200063 juniper spittlebug Clastoptera juniperina Nymph in spittle mass
2200064 juniper spittlebug Clastoptera juniperina Nymph exposed from spittle mass
2200068 Sumac Psyllid Calophya triozomima Early spring adults on new growth. May 7, 2006
2200071 currant borer Synanthedon tipuliformis
2200073 Virginia creeper clearwing Albuna fraxini June 25, 2006
2200074 Virginia creeper clearwing Albuna fraxini June 25, 2006
2200083 Virginia creeper clearwing Albuna fraxini June 25, 2006
1455078 lilac root weevil Otiorhynchus meridionalis Adult feeding damage
1455074 lilac root weevil Otiorhynchus meridionalis
1455075 lilac root weevil Otiorhynchus meridionalis note characteristic fecal spotting
1455076 lilac root weevil Otiorhynchus meridionalis Note characteristic fecal spotting

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