North American Butterflies and Moths List

The definitive website on wildbirds & nature

The Registry of Nature Habitats

U.S. Geological Survey

Butterflies of North America

Butterflies of Texas

Yojoa Scrub-Hairstreak (Strymon yojoa)
JPG -- species photo

Yojoa Scrub-Hairstreak (Strymon yojoa [Reakirt])

Wing span: 7/8 - 1 1/4 inches (2.2 - 3.2 cm).

Identification: Upperside gray. Underside gray; submarginal gray-white stripe bordered by faint irregular postmedian line.

Life history: Eggs are laid singly on flowers of the host plant. Caterpillars feed on flowers and fruits.

Flight: One from October-December in South Texas, throughout the year in tropics.

Caterpillar hosts: A variety of tropical plants including Hibiscus species, Desmodium axillare, and Kohleria tubiflora.

Adult food: Flower nectar.

Habitat: Subtropical thorn forest, scrub, lightly disturbed areas.

Range: Brazil north through Central America to Mexico. Rare stray 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: None 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.
Yojoa Scrub-Hairstreak (Strymon yojoa)
distribution map
map legend

Return to species list
Return to Butterflies of North America main page