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Northern Prairie Wildlife Research Center

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Caterpillars of Pacific Northwest
Forests and Woodlands

Sicya crocearia [Geometridae]

Green with reddish brown highlights; middorsum of A3 and A5 with a dual pronged protuberance the length of which is equal to the body width; a third shorter protuberance occurs middorsum on A8. This species is not common and feeds on red alder during June and July.

Previous Section -- Aethaloida packardaria [Geometridae]
Return to Photo Key to Species in Group A-1a
Next Section -- Hesperumia latipennis [Geometridae]

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