Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Broad-banded Swallowtail
Papilio astyalus Godart, 1819

Family: Papilionidae
Subfamily: Papilioninae
Identification: Upperside of male forewing has a broad diagonal band and a yellow spot near the end of the cell. Tails all black, narrow. Female mostly black; hindwing has a blue and gray-green submarginal band on upperside and very short tails.
Wing Span: 4 5/8 - 4 3/4 inches (11.7 - 12 cm).
Life History: Not reported.
Flight: Probably 2 from April- October.
Caterpillar Hosts: Leaves of citrus trees (Rutaceae family).
Adult Food: Nectar of flowers including Lantana.
Habitat: Subtropical forests.
Range: Mexico south to Argentina. Occasional in south Texas; rare stray to southern Arizona and north Texas.
Conservation: Not needed for tropical stray.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None required.
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