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Northern Prairie Wildlife Research Center

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Macromoths of Northwest Forests and Woodlands

Autographa corusca [Noctuidae]

JPG-Autographa corusca

Wingspan 4.0 cm. Forewing is mottled pink and purple-brown with a white comma-shaped stigma. This noctuid is common but endemic to wet coastal forests. Moths fly in midsummer. Caterpillars feed on the foliage of alder (Alnus).

Similar species: Autographa mappa forewing is mottled red-brown with thin black bands and the stigma broken into two spots, uncommon and occurs in wet forests of the Pacific Northwest and Rocky Mountains; Autographa metallica forewing is red-copper with a large slipper-shaped stigma, uncommon and endemic to the Pacific Northwest.

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