Upperside is yellow with purple-brown lines and cell spots. Males have an orange-brown form and females have a brownish form.
Caterpillars are solitary feeders, and when they are mature they pupate in underground burrows.
One flight from July-August. Oak woodland in the Sierra Madre. The Santa Rita, Patagonia, Atascosa, and Huachuca Mountains of southern Arizona south into Sonora, Sinaloa, and Chihuahua, Mexico. G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery. The moths of America north of Mexico, fasc.