On Aug 16, 2006, Magpye from NW Qtr, AR (Zone 6a) wrote:
Wing span: 3 1/4 - 4 5/8 inches (8.2 -11.7 cm).
Identification: Large. Apex of forewing hooked. Upperside of male bright yellow, female paler; both with black spot in forewing cell.
Life history: Fly high and swiftly. Female usually lays several eggs on a single plant. Caterpillars eat leaves and develop continously during the wet season.
Flight: Two flights, April and August-December, in South Texas; all year in Central and South America.
Caterpillar hosts: Cassia (Cassia emarginata) in the pea family (Fabaceae).
Adult food: Nectar from red and purple flowers including Hibiscus and Bougainvilla.
Habitat: Subtropical, open, sunny areas; migrants found almost anywhere.
Range: Resident fr... read more