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Macromoths of Northwest Forests and Woodlands

Selenia alciphearia [Geometridae]


JPG-Selenia alciphearia

Wingspan 4.2 cm. Forewing is strongly falcate, mottled pale yellow to brown, with three narrow, black lines and an apical orange patch. This geometrid is widely distributed in wet forests in western North America. Moths fly from early spring to midsummer. Caterpillars feed on the foliage of maple (Acer), alder (Alnus), and birch (Betula).

Similar species: Besma quercivoraria is smaller, forewing without an orange apical patch, caterpillars feed on foliage of oak (Quercus).


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