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Northern Prairie Wildlife Research Center

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Caterpillars of Pacific Northwest
Forests and Woodlands

Erannis tiliaria [Geometridae]

Dorsum brown with black longitudinal lines; yellow laterally with faint to distinct reddish brown shading around the spiracles; ventral part of body off-white. This species is common on many broadleaf trees and shrubs such as serviceberry, white oak, and hazel during May and June.

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Return to Photo Key to Species in Group A-1b - Dorsum color different than subspiracular area
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