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Butterflies of North America -- Urbanus pronus

North American Butterflies and Moths List

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Butterflies of North America

Pronus Longtail (Urbanus pronus)
JPG -- species photo

Pronus Longtail (Urbanus pronus Evans)

Wing span: 1 5/16 - 1 3/4 inches (3.4 - 4.4 cm).

Identification: Tails are short. Upperside is dark blackish brown; body and wing bases are iridescent green; iridescence on hindwing ends abruptly before outer margin. Male does not have a costal fold. Dark row on hindwing underside consists of separate spots.

Life history: Not reported.

Flight: April-September in Mexico; October in South Texas.

Caterpillar hosts: Not reported.

Adult food: Flower nectar.

Habitat: Subtropical.

Range: Brazil and Paraguay north through Central America to Mexico. A rare stray 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

Pronus Longtail (Urbanus pronus)
distribution map
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