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Northern Prairie Wildlife Research Center

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Macromoths of Northwest Forests and Woodlands

Eosphoropteryx thyatyroides [Noctuidae]

JPG-Eosphoropteryx thyatyroides

Wingspan 3.7 cm. Forewing is strongly angular along the anal margin, gray with pink basal and subapical patches and a small white stigma. This noctuid is widely distributed in wet forests of western North America. Moths fly in midsummer. Caterpillars feed on the foliage of herbaceous Ranunculaceae such as meadow-rue (Thalictrum) and columbine (Aquilegia).

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