spruce budworm (Choristoneura fumiferana) in EDDMapS Representative Photos

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and pupa

USDA Forest Service - Northeastern Area , USDA Forest Service, Bugwood.org

and pupa

spruce budworm (<em>Choristoneura fumiferana</em>) larva(e)

Connecticut Agricultural Experiment Station , Bugwood.org

spruce budworm (Choristoneura fumiferana) larva(e)

defoliation

Jerald E. Dewey, USDA Forest Service, Bugwood.org

defoliation

spruce budworm (<em>Choristoneura fumiferana</em>) damage on spruce (<em>Picea spp.</em>)

Joseph OBrien, USDA Forest Service, Bugwood.org

spruce budworm (Choristoneura fumiferana) damage on spruce (Picea spp.)

feeding budworm

Joseph OBrien, USDA Forest Service, Bugwood.org

feeding budworm

in cone note frass mass

Jerald E. Dewey, USDA Forest Service, Bugwood.org

in cone note frass mass