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Butterflies of Texas -- Papilio astyalus

North American Butterflies and Moths List

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Butterflies of North America

Butterflies of Texas

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.

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

State and Regional References:

Neck, R.W. 1996. A Field Guide to Butterflies of Texas. Gulf Publishing Co., 
     Houston, Texas.

Opler, Paul A. 1999. Peterson Field Guide to Western Butterflies, revised 
     edition. Houghton Mifflin Co., Boston, Mass.

Stanford, R.E. and P.A. Opler. 1993. Atlas of Western USA Butterflies. 
     Privately published, Denver, Colo. 

Tilden, J.W. and A.C. Smith. 1986. A Field Guide to Western Butterflies. 
     Houghton Mifflin Co., Boston, Mass.
     
Tveten, J. and Tveten, G.  1996.  Butterflies of Houston & Southeast Texas.
     Univ. of Texas Press, Austin, TX.  292 pp.
     
Broad-banded Swallowtail (Papilio astyalus)
distribution map
map legend

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