Caterpillars of Pacific Northwest
Forests and Woodlands
Choristoneura rosaceana [Tortricidae]
Yellow green; head dark brown to black; white markings on mouthparts. Early instars live in leaf rolls. This caterpillar may move rapidly in a backwards flipping motion when disturbed. It is very common on many broadleaf trees and shrubs such as willow and bitter cherry, during May and June.
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Return to Photo Key to Species in Group B-1b - No distinct markings
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