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Macromoths of Northwest Forests and Woodlands

Alypia langtoni [Noctuidae]


JPG-Alypia langtoni

Wingspan 3.0 cm. Forewing is black with two round, cream-yellow spots; hindwing also with one or two round cream-yellow spots. This noctuid is common and widely distributed in western North America. Moths fly during the day from late spring to midsummer. Caterpillars feed on the foliage of fireweed (Epilobium).

Similar species: Alypia ridingsii forewing black with broad white patches and a small white spot in the midcostal area, the white patches in the forewing are lined by the black wing veins, common and widely distributed; Androloma maccullochi (Noctuidae) forewing black with broad white patches and a small white mid-costal spot, forewing and hindwing with white patches lined by black wing veins, widely distributed; species of Gnophaela, such as Gnophaela vermiculata, have wings that are more elongate, antennae pectinate.


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