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Northern Prairie Wildlife Research Center

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Macromoths of Northwest Forests and Woodlands

Pseudorthosia variabilis [Noctuidae]

JPG-Pseudorthosia variabilis

Wingspan 3.8 cm. Forewing is pale yellow to orange with a narrow black reniform spot; hindwing is white. This noctuid is abundant and widely distributed in dry forests, particularly ponderosa pine forests east of the Cascade Mountains. Moths fly in late summer. Caterpillars feed on the foliage of herbs.

Similar species: Crassivesica bocha (Noctuidae) forewing is pale pink to lavender with a large black reniform spot and mottled with fine dark lines, costal margin is black.

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