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David McComb's Images

Title: Retired
Organization: USDA Forest Service
Country: United States
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46 Images of 4 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1678011 western spruce budworm Choristoneura freemani stand defoliation, infrared film
1678036 Douglas-fir tussock moth Orgyia pseudotsugata
1678032 Douglas-fir tussock moth Orgyia pseudotsugata male
1678010 western spruce budworm Choristoneura freemani 6th instar larvae and pupae
1678040 European pine shoot moth Rhyacionia buoliana to mugo pine
1678042 European pine shoot moth Rhyacionia buoliana and damaged shoot
1678037 European pine shoot moth Rhyacionia buoliana to mugo pine
1678023 Douglas-fir tussock moth Orgyia pseudotsugata
1678034 Douglas-fir tussock moth Orgyia pseudotsugata
1678039 European pine shoot moth Rhyacionia buoliana
1678033 Douglas-fir tussock moth Orgyia pseudotsugata egg survey
1678035 Douglas-fir tussock moth Orgyia pseudotsugata Umatilla National Forest, Oregon
1678041 European pine shoot moth Rhyacionia buoliana male
1678024 Douglas-fir tussock moth Orgyia pseudotsugata female
1678025 Douglas-fir tussock moth Orgyia pseudotsugata
1678026 Douglas-fir tussock moth Orgyia pseudotsugata new cocoons on twig, no eggs
1678027 Douglas-fir tussock moth Orgyia pseudotsugata mass
1678028 Douglas-fir tussock moth Orgyia pseudotsugata virus killed larvae
1678029 Douglas-fir tussock moth Orgyia pseudotsugata natural virus killed
1678030 Douglas-fir tussock moth Orgyia pseudotsugata virus survey-infected larva
1678031 Douglas-fir tussock moth Orgyia pseudotsugata virus survey-infecting larva
1678012 western spruce budworm Choristoneura freemani hanging on silken thread
1678013 western spruce budworm Choristoneura freemani
1678014 western spruce budworm Choristoneura freemani 6th instar larvae
1678015 western spruce budworm Choristoneura freemani defoliation, Wenatchee National Forest, Washington State
1678016 western spruce budworm Choristoneura freemani defoliation, Cedar Creek. Okanogan, National Forest
1678017 western spruce budworm Choristoneura freemani collecting lavae with basket
1678018 western spruce budworm Choristoneura freemani entrance hole in bud
1678019 Douglas-fir tussock moth Orgyia pseudotsugata male
1678020 Douglas-fir tussock moth Orgyia pseudotsugata removed from cocoon
1678021 Douglas-fir tussock moth Orgyia pseudotsugata current feeding
1678022 Douglas-fir tussock moth Orgyia pseudotsugata tree mortality, La Grande, OR
1678001 western spruce budworm Choristoneura freemani egg mass cases
1678002 western spruce budworm Choristoneura freemani 3rd instar larva in swollen Douglas-fir bud
1678003 western spruce budworm Choristoneura freemani to bud just flushing
1678004 western spruce budworm Choristoneura freemani hibernacula
1678005 western spruce budworm Choristoneura freemani and pupae
1678006 western spruce budworm Choristoneura freemani
1678007 western spruce budworm Choristoneura freemani feeding larvae on small bud
1678008 western spruce budworm Choristoneura freemani in webbing
1678009 western spruce budworm Choristoneura freemani 6th instar larvae
1678043 European pine shoot moth Rhyacionia buoliana typical shoot moth damage on new shoots
1678060 cutworms, loopers, owlet moths, and underwings
1678063 European pine shoot moth Rhyacionia buoliana bud damage
1678064 European pine shoot moth Rhyacionia buoliana
1678068 western spruce budworm Choristoneura freemani chemical control

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