Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Florida White
Appias drusilla (Cramer, 1777)

Family: Pieridae
Subfamily: Pierinae
Identification: Male is solid white on both upper and lower surfaces of wings except for a narrow edging of black along the forewing costal margin. Female has 2 forms: the dry-season form is all white; the wet season form has black along the forewing costal margin and a yellow-orange upper hindwing.
Wing Span: 2 1/8 - 3 inches (5.3 - 7.7 cm).
Life History: Males patrol with erratic flight, searching for females. Females lay single eggs at tips of developing host plant leaves. Caterpillars are shade-loving and feed during the night and on cloudy days.
Flight: Dry-season form from October-April, wet-season form from May-September.
Caterpillar Hosts: Various plants in the family Putranjivaceae and family Brassicaceae, including Guiana plum (Drypetes lateriflora) and Limber Caper or Bayleaf Capertree (Capparis flexuosa) in Florida.
Adult Food: Flower nectar from a variety of weeds and garden plants including lantana and eupatorium.
Habitat: Tropical lowland evergreen or semideciduous forests.
Range: Tropical America from Brazil north to southern peninsular Florida and the Keys; Antilles. Frequently visits coastal Texas, rare stray to Nebraska and Colorado.
Conservation: Preserve hardwood hammock habitat in southern Florida.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: Avoid mosquito fogging near this butterfly\'s habitat.
Comments: Edited food plants as per John Calhoun email (9/2009).
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