Macromoths of Northwest Forests and Woodlands
Clostera apicalis [Notodontidae]
Wingspan 3.1 cm. Forewing is gray with a dark red-gray subapical patch that is not clearly delineated and with narrow white longitudinal lines including a central diagonal white line. This notodontid is common and widely distributed in western North America. Moths fly from late spring to late summer. Caterpillars are generalist feeders on the foliage of flowering trees and shrubs, often found on willow (Salix).
Similar species: Clostera albosigma is larger, forewing with a well delineated subapical patch and the central white lines are not at a diagonal, uncommon in the Pacific West but common in the Rocky Mountains.
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