North American Butterflies and Moths List

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U.S. Geological Survey

Butterflies of North America

Butterflies of Texas

Red-crescent Scrub-Hairstreak (Strymon rufofusca)
JPG -- species photo

Red-crescent Scrub-Hairstreak (Strymon rufofusca [Hewitson])

Wing span: 1 - 1 1/8 inches (2.5 - 2.9 cm).

Identification: One tail on hindwing. Upperside brown. Underside gray; hindwing postmarginal line red-orange, broken into dashes.

Life history: Eggs are laid singly on flower buds of the host plant.

Flight: In July and from October-December in South Texas; throughout the year in the tropics.

Caterpillar hosts: Malvastrum coromandelianum (family Malvaceae) in Mexico.

Adult food: Flower nectar.

Habitat: Open pastures and weedy fields.

Range: Argentina north through Central America and Mexico to South Texas.

Conservation: Not necessary for 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: Not reported.


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.
Red-crescent Scrub-Hairstreak (Strymon rufofusca)
distribution map
map legend

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