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:
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.