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Northern Prairie Wildlife Research Center

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Macromoths of Northwest Forests and Woodlands

Cochisea sinuaria [Geometridae]

JPG-Cochisea sinuaria

Wingspan 5.0 cm. The wings are pale gray with narrow wavy black lines. This geometrid occurs from western Oregon to Arizona. Moths fly in fall. Caterpillars feed on the foliage of manzanita (Arctostaphylos).

Similar species: Cochisea sonomensis wings are dark gray with broad black lines; Biston betularia and species of Lycia (Geometridae) are similar in appearance but fly at different times of the year.

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