Prolimacodes trigona

(Edwards, 1882)

Western Skiff Moth

Prolimacodes trigona, known as the Western Skiff Moth, is a of slug caterpillar in the Limacodidae. It is one of two species in the Prolimacodes, alongside the more widespread P. badia (Skiff Moth). The species is found in western North America and is characterized by its distinctive triangular or skiff-like resting posture as an . The larvae are slug caterpillars, a characteristic form for the family Limacodidae.

Pronunciation

How to pronounce Prolimacodes trigona: //ˌprɒlɪməˈkoʊdiːz traɪˈɡoʊnə//

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Identification

rest with wings folded tightly, creating a triangular, skiff- or boat-like silhouette that distinguishes them from many other . The Prolimacodes contains only two : P. trigona in western North America and P. badia in eastern North America. Separation of the two species is primarily geographic, though subtle differences in wing pattern and coloration may exist. The slug-like larvae lack the typical of most caterpillars and instead glide on a lubricated surface.

Distribution

Western North America. The occurs in regions west of the range of its P. badia, which occupies eastern North America. Specific state and provincial records are sparse in the provided sources.

Similar Taxa

  • Prolimacodes badiaExtremely similar congeneric ; primarily distinguished by geographic range (eastern vs. western North America)

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Sources and further reading