Identification
Upper surface is creamy white with indented black borders which outline a "dog's head" on forewings; more pronounced in male. Hindwing with projecting tail-like points.
Underwing dull brownish with a couple dark patches on HW, and FW has one small black spot.
Range
Central America to South Texas and the Southwest; vagrant in Great Plains and Southwest deserts; also reported as a migrant from Mississippi, Arkansas, Illinois, and Michigan.
Habitat
Open, dry areas, hillsides, deserts, prairies. Found in moister areas in Mexico and Central America.
Food
Acacia and Diphysa in the pea family.