On Aug 16, 2006, Magpye from NW Qtr, AR (Zone 6a) wrote:
Identification: Lacks tails. Black above with submarginal yellow band.
Life history: Female lays eggs in groups of 10-14 on exposed new stems or growing tips of vines. Caterpillars feed in groups when young. Overwinter as chrysalids.
Flight: Two-3 flights from April-November.
Wing span: 3 1/2 - 4 1/2 inches (9 - 12 cm).
Caterpillar hosts: Pipevines (Aristolochia species).
Adult food: Nectar of lantana. Occasionally seen feeding on honeysuckle and soapweed flowers.
Habitat: Open woods, abandoned fields, disturbed areas.
Range: South Texas and peninsular Florida south to Argentina. Strays north to Kentucky and Missouri.