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Macromoths of Northwest Forests and Woodlands

Egira hiemalis [Noctuidae]

JPG-Egira hiemalis

Wingspan 3.5 cm. Forewing is mottled gray with a red reniform spot and other red shades; hindwing is pale gray. This noctuid is common in wet conifer forests in the Pacific West. Moths fly in late winter and early spring. Caterpillars feed on the foliage of hazelnut (Corylus cornuta) and ash (Fraxinus).

Similar species: Egira variabilis forewing with similar colors but without the mottled shades, common in the southern Rocky Mountains and Southwest, extending to California and southwest Oregon, caterpillars feed on the foliage of pine (Pinus); Egira dolosa forewing mottled gray to black without shades of red, common in the Rocky Mountain region, caterpillars feed on quaking aspen (Populus tremuloides); Egira curialis forewing is elongate and pale gray, hindwing white, common and widely distributed in dry forests, caterpillars feed on hackberry (Celtis reticulata) and chokecherry (Prunus virginiana).

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