North American Butterflies and Moths List

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Butterflies of North America

Butterflies of Northern Mexico

Lacey's Scrub-Hairstreak (Strymon alea)
JPG -- species photo

Lacey's Scrub-Hairstreak (Strymon alea [Godman & Salvin])

Wing span: 3/4 - 1 1/8 inches (1.9 - 2.9 cm).

Identification: One long tail on hindwing. Upperside dark gray. Underside gray with a complicated pattern of blotches near the wing base, an irregular brown postmedian line, and a submarginal stripe of small, brown triangular spots.

Life history: Caterpillars eat buds and flowers.

Flight: Possibly four broods from April-December in Texas.

Caterpillar hosts: Bernardia myricaefolia in the Euphorbiaceae family.

Adult food: Flower nectar.

Habitat: Subtropical thorn scrub.

Range: Northwest Costa Rica north through Mexico to central and South Texas.

Conservation: All U. S. populations should be conserved.

The Nature Conservancy Global Rank: GU - Unable to assign rank due to lack of available information.

Management needs: Manage habitat to retain necessary resources, including host and nectar plants.


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.
Lacey's Scrub-Hairstreak (Strymon alea)
distribution map
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