Tip of forewing square-shaped. Underside of hindwing has raised veins and satin sheen. Females occur in both yellow and white forms. Both sexes are extremely variable.
Adults periodically make huge migrations.
Throughout the year in South Texas, April-August in Florida and to the north and east. Flowers of black mangrove and shepherd's needle have been used as nectar sources in southern Florida. Tropical scrub lowlands and seasonally dry forests. Venezuela north to southern Texas, where it occurs in great numbers. G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.