North American Butterflies and Moths List

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The Registry of Nature Habitats

U.S. Geological Survey

Butterflies of North America

Broad-banded Swallowtail (Papilio astyalus)

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.


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

Broad-banded Swallowtail (Papilio astyalus)
distribution map
map legend

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