Forewing is narrow and pointed, hindwing is somewhat triangular. Hindwing has white fringe on the outer margin.
Caterpillars feed on leaves and rest in shelters of rolled or tied leaves.
Caterpillars from the last brood hibernate. Three broods from March-December. Deserts, warm or arid lowlands, roadsides. Southern California, Arizona, New Mexico, and Texas south to Argentina. Strays north to northern Illinois, northeast Nebraska, central Colorado, southern Nevada, and central California.