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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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71 Images of 13 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5443148 European alder leafminer Fenusa dohrnii Blotch mines produced by leafminer
5083023 oak rough bulletgall wasp Disholcaspis quercusmamma a few of the galls in the center show emergence holes. Galls are at the time of adult emergence (November 3, 2006).
5443214 European alder leafminer Fenusa dohrnii Blotch mines produced by leafminer
5443194 oak rough bulletgall wasp Disholcaspis quercusmamma Adult female on twiggall. Photograph taken November 5, 2011
5443195 oak rough bulletgall wasp Disholcaspis quercusmamma Adult female on twiggall. Photograph taken on November 5, 2010
1326052 hunting wasp Pemphredon spp. Recently emerged asult nesting in green ash twig
1326010 oak rough bulletgall wasp Disholcaspis quercusmamma Fully formed galls on twig
1326008 oak rough bulletgall wasp Disholcaspis quercusmamma Winged adult form
1326009 oak rough bulletgall wasp Disholcaspis quercusmamma Developing galls on twig
1246047 birch leafminer Fenusa pusilla
1326066 elm leafminer Kaliofenusa ulmi Typical leafmine
1326007 oak rough bulletgall wasp Disholcaspis quercusmamma Adult exposed from gall immediately prior to emergence
1455022 elm leafminer Kaliofenusa ulmi
1455053 poplar leaffolding sawfly Phyllocolpa bozemani Older larva
1246049 birch leafminer Fenusa pusilla
1455050 poplar leaffolding sawfly Phyllocolpa bozemani Young larva in leaf fold
1455015 European alder leafminer Fenusa dohrnii
1326006 oak rough bulletgall wasp Disholcaspis quercusmamma Developing galls on twig
1455080 pigeon tremex Tremex columba Female ovipositing
1455185 pigeon tremex Tremex columba Female ovipositing
1246048 birch leafminer Fenusa pusilla Exposed from leaf mine
1326004 Cynipid gall wasp Acraspis macrocarpae agamic generation
1246041 elm leafminer Kaliofenusa ulmi Larval tunneling
1455187 pigeon tremex Tremex columba Typical spherical exit holes
1455186 pigeon tremex Tremex columba Female ovipositing
1246050 birch leafminer Fenusa pusilla Characteristic mining damage
1246042 elm leafminer Kaliofenusa ulmi Exposed from mine
1455052 poplar leaffolding sawfly Phyllocolpa bozemani Older larva
1326093 European alder leafminer Fenusa dohrnii Typical leafmines in Alder
1455019 elm leafminer Kaliofenusa ulmi Oviposition punctures in leaf
1455190 pigeon tremex Tremex columba Female ovipositing
1455020 elm leafminer Kaliofenusa ulmi Exposed from leaf mine
1455189 pigeon tremex Tremex columba Female ovipositing
1455016 birch leafminer Fenusa pusilla
1455017 elm leafminer Kaliofenusa ulmi
1455018 elm leafminer Kaliofenusa ulmi Oviposition punctures in elm leaf
1246046 birch leafminer Fenusa pusilla
1326089 hawthorn leafminer Profenusa canadensis Blotch leafmine typically produced
1326005 oak rough bulletgall wasp Disholcaspis quercusmamma Fully formed galls on twig
1476093 European alder leafminer Fenusa dohrnii leaf mines
1476094 birch leafminer Fenusa pusilla leaf mines
1476095 birch leafminer Fenusa pusilla leaf mines
1476096 pear sawfly Caliroa cerasi early instar larvae near hatched egg
1476097 pear sawfly Caliroa cerasi
1476109 oak rough bulletgall wasp Disholcaspis quercusmamma gall cut away to show pupal chamber
1476110 oak rough bulletgall wasp Disholcaspis quercusmamma pupal covering
1476111 oak rough bulletgall wasp Disholcaspis quercusmamma pupa removed from pupal chamber
5084048 oak rough bulletgall wasp Disholcaspis quercusmamma galls
5082081 oak rough bulletgall wasp Disholcaspis quercusmamma galls very densely clustered on a small twig
5083018 oak rough bulletgall wasp Disholcaspis quercusmamma shortly after emergence. Picture taken November 3, 2006
5083019 oak rough bulletgall wasp Disholcaspis quercusmamma side view. Picture taken during period of emergence (November 3, 2006)
5083020 oak rough bulletgall wasp Disholcaspis quercusmamma side view. Picture taken during adult emergence (November 3, 2006)
5083021 oak rough bulletgall wasp Disholcaspis quercusmamma Adult palpitating bud during examination prior to oviposition (November 3, 2006)
5083022 oak rough bulletgall wasp Disholcaspis quercusmamma Galls at time when adults are emerging. The gall in foreground with irregular wound was made by a bird feeding on the gall.
2200082 elm leafminer Kaliofenusa ulmi leafmines about 10 days after egg hatch
2200085 elm leafminer Kaliofenusa ulmi Leafmines about 5-6 days after egg hatch
2200038 elm leafminer Kaliofenusa ulmi May 7, 2006
2200039 elm leafminer Kaliofenusa ulmi May 8, 2006
2200040 elm leafminer Kaliofenusa ulmi May 6, 2006
2200041 elm leafminer Kaliofenusa ulmi larvae silhouetted within leaf mine of Siberian elm leaf; May 28, 2006
1455049 poplar leaffolding sawfly Phyllocolpa bozemani Young larva in leaf fold
1455051 poplar leaffolding sawfly Phyllocolpa bozemani Leaf fold symptom produced by young larva
1455021 elm leafminer Kaliofenusa ulmi
1326202 chalcid wasp Phasgonophora sulcata parasitoid of Agrilus spp.
1325099 oak rough bulletgall wasp Disholcaspis quercusmamma Adult at oviposition in dormant bud
1326051 hunting wasp Pemphredon spp. Larval cells in excavated pith
1326053 hunting wasp Pemphredon spp. Recently emerged adult nesting in green ash twig
1325013 California pear sawfly Pristiphora abbreviata larva and feeding injury
1325014 California pear sawfly Pristiphora abbreviata larva and feeding injury
1325015 California pear sawfly Pristiphora abbreviata larva and feeding injury
1325010 oak apple gall Amphibolips spp. opened to expose interior structure

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