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Macromoths of Northwest Forests and Woodlands

Abagrotis trigona [Noctuidae]


JPG-Abagrotis trigona

Wingspan 3.4 cm. Forewing is pale yellow to black-brown with a narrow black reniform spot; hindwing is black. This noctuid is widely distributed in western North America. Moths fly in late summer. Caterpillars feed on the foliage of huckleberry (Vaccinium).

Similar species: Abagrotis trigona represents a group of at least eight species (other than the next two) that are quite similar in coloration and difficult to distinguish, all widely distributed, caterpillars feed on flowering trees and shrubs.


Previous Species -- Adelphagrotis stellaris
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Next Species -- Abagrotis glenni

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