Upperside copper brown with dull blue at the bases of both wings. Females lay eggs all over the host but particularly on the uppersides of leaves.
Caterpillars eat all parts of the plant.
July-September in the north, all year in South Texas. Alkaline areas such as deserts, salt marshes, and wasteland. Central California east to southern Nevada, central Arizona, central New Mexico, and west Texas. South through southern California, Baja California, and Mexico to Venezuela. Migrates to Arkansas, Nebraska, and Oregon.