Northern Prairie Wildlife Research Center

Caterpillars of Pacific Northwest
Forests and Woodlands

Photo Key to Species


Group A-1b -- Subgroups: Body wall smooth - The body wall of species in group A-1b is not extended into tubercles or warts.

Dorsum color different than subspiracular area


Previous Section -- Distinct spiracular line
Return to Photo Key to Species in Group A-1b
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Page Last Modified: August 3, 2006