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Broad-banded Swallowtail (Papilio astyalus Godart)
Wing span: 4 5/8 - 4 3/4 inches (11.7 - 12 cm).
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.
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.
Management needs: None required.
The Nature Conservancy Global Rank: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
References:
North American Butterfly Association. 1995. Checklist & map; English names
of North American butterflies. North American Butterfly Association,
Morristown. 43 pages.
Opler, P. A. and V. Malikul. 1992. A field guide to eastern butterflies.
Peterson field guide #4. Houghton-Mifflin Co., Boston. 396 pages, 48
color plates.
Scott, J. A. 1986. The butterflies of North America. Stanford University Press,
Stanford, Calif. 583 pages, 64 color plates.
Author: Jane M. Struttmann
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 1999 -
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