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Polydamas Swallowtail (Battus polydamas [Linnaeus])
Wing span: 3 1/2 - 4 1/2 inches (9 - 12 cm).
Identification: Lacks tails. Black above with submarginal yellow band.
Life history: Female lays eggs in groups of 10-14 on exposed new stems or growing tips of vines. Caterpillars feed in groups when young. Overwinter as chrysalids.
Flight: Two-3 flights from April-November.
Caterpillar hosts: Pipevines (Aristolochia species).
Adult food: Nectar of lantana. Occasionally seen feeding on honeysuckle and soapweed flowers.
Habitat: Open woods, abandoned fields, disturbed areas.
Range: South Texas and peninsular Florida south to Argentina. Strays north to Kentucky and Missouri.
Conservation: None noted.
Management needs: Manage habitat for caterpillar host plant and nectar sources.
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:
Opler, P. A. and G. O. Krizek. 1984. Butterflies east of the Great Plains.
Johns Hopkins University Press, Baltimore. 294 pages, 54 color plates.
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:
Lambremont, E.N. 1954. The Butterflies and Skippers of Louisiana. Tulane
Studies in Zoology 1:127-164.
Layberry, R.A., Hall, P.W. & Lafontaine, D.J., 1998. The Butterflies of
Canada. University of Toronto Press, Toronto, ON. 280 pp.
Opler, P.A. 1998. A field guide to eastern butterflies, revised format.
Houghton Mifflin Co., Boston.
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