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Northern Prairie Wildlife Research Center

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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.

Previous Section -- Polyphemus Moth
Return to Photo Key to Species in Group B-1b - No distinct markings
Next Section -- Telphusa sedulitella [Gelechiidae]

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