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Butterflies of North America -- Urbanus doryssus

North American Butterflies and Moths List

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The Registry of Nature Habitats

U.S. Geological Survey


Butterflies of North America

White-tailed Longtail (Urbanus doryssus)

White-tailed Longtail (Urbanus doryssus [Swainson])

Wing span: 1 3/16 - 1 7/8 inches (3 - 4.8 cm).

Identification: Tails are short and broad. Uppersides of tails and most of the hindwing outer margins are white; remainder of wing surfaces are dark brown.

Life history: Not reported.

Flight: All year in Mexico; March-November in South Texas.

Caterpillar hosts: Not reported.

Adult food: Not reported.

Habitat: Subtropical scrub.

Range: Argentina north through tropical America to Mexico. Strays north to the lower Rio Grande Valley, Texas.

Conservation: Not necessary for a rare stray.

The Nature Conservancy Global Rank: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.

Management needs: None reported.

References:

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

White-tailed Longtail (Urbanus doryssus)
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