Strophius Hairstreak (Allosmaitia strophius)
Wing span: 7/8 - 1 1/4 inches (2.2 - 3.2 cm).
Identification: Upperside of male forewing with blue only at inner margin; hindwing blue with scent patch at base. Female gray above, pale brown below.
Life history: Not reported.
Flight: All year in Central America; Texas stray was reported in November.
Caterpillar hosts: Flowers of plants in the Malpighia family.
Adult food: Not reported.
Habitat: Dry and wet subtropical forests and scrub.
Range: Southern Brazil north to Sinaloa, Mexico. One stray recorded in Texas.
The Nature Conservancy Global Rank: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Conservation: Not necessary for rare stray.
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.