Spruce BudwormSpruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae) is the most important spruce defoliator in Canada and Northern US.These pictures were scanned from the book "Recent Advances in Spruce Budworms Research" edited by C.J.Sanders et al. Ottawa (Ontario), 1985. Adult moth:
Larva before pupating:
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