Male is solid white on both upper and lower surfaces of wings except for a narrow edging of black along the forewing costal margin. Females lay single eggs at tips of developing host plant leaves.
Caterpillars are shade-loving and feed during the night and on cloudy days.
Tropical lowland evergreen or semideciduous forests. Frequently visits coastal Texas, rare stray to Nebraska and Colorado. Preserve hardwood hammock habitat in southern Florida. Avoid mosquito fogging near this butterfly's habitat. G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.