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Northern Prairie Wildlife Research Center

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Caterpillars of Pacific Northwest
Forests and Woodlands

Thallophaga taylorata [Geometridae]

One of very few species found on sword fern. This caterpillar is easily identified by its orange, brown, and tan body with faint white subdorsal longitudinal lines; midabdominal intersegmental areas orange brown. It is common only on sword fern during May and June.

Previous Section -- Dysstroma formosa [Geometridae]
Return to Photo Key to Species in Group A-1b - Distinct subdorsal longitudinal lines

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