Macromoths of Northwest Forests and Woodlands

Besma quercivoraria [Geometridae]

Wingspan 3.3 cm. Forewing is pale brown with a sharp, angular outer margin and three nearly straight dark lines. This geometrid is common west of the Cascade Mountains, principally in oak woodlands. Moths fly in midsummer. Caterpillars feed on foliage of oak (Quercus).

Similar species: Selenia alciphearia is larger, forewing with an orange apical patch.

Previous Species -- Caripeta aequaliaria
Return to Listing of Geometridae
Next Species -- Lambdina fiscellaria