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On Aug 16, 2006, Magpye from NW Qtr, AR (Zone 6a) wrote:
Identification: Upperside of forewing has narrow central yellow band. Tails edged with yellow, filled with black.
Life history: Males patrol in tree canopy for receptive females. Females lay single eggs on top of young host plant leaves. Caterpillars feed on young leaves and shoots. Hibernate as chrysalids, which can remain dormant for up to 2 years. Adult emergence is triggered by rainfall.
Flight: Primary flight from late April to mid-June; some adults fly in late July and early September.
Wing span: 3 5/8 - 4 5/8 inches (9.2 - 11.8 cm)
Caterpillar hosts: Plants in the citrus family (Rutaceae) including Citrus species, hop tree (Ptelea trifoliata), Zanthoxylum spp., and torchwood (Amyris elemifera).
Adult food: Nectar from flowers of cheese-shrub, wild coffee, and guava.
Habitat: Found only in tropical hardwood hammocks and neighboring scrub areas.
Range: North Key Largo and the larger Keys in Biscayne National Monument (subspecies ponceanus), south to the Greater Antilles (other subspecies).