Underside of hindwing with dark crescents near outer margin. Spot near tail is dull orange with a black center. Eggs are laid singly on stems and hibernate until spring.
Caterpillars feed on tender young leaves.
One flight from May-July. Oak hillsides and chaparral. California west of the Sierra Nevada, Transverse Range, and deserts, from Mendocino County south to San Diego County and into Baja California Norte. The butterflies of southern California. Science Series 26.