Females are slightly larger than males. Forewings are narrow and have rounded outer margins in females and straight outer margins in males. Hindwing is pink along the inner margin.
Females lay eggs on the leaves of the host plant.
Fully-grown caterpillars build a chamber in the soil in which to pupate. Collected in early July in Arizona. Has 4 broods from May-December in Costa Rica. Dry thorn scrub in Mexico, dry tropical forests in Costa Rica. Peloncillo Mountains of southeastern Arizona south through Mexico to Costa Rica.