North American Butterflies and Moths List

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Butterflies of North America

Butterflies of Northern Mexico

Red-lined Scrub-Hairstreak (Strymon bebrycia)
JPG -- species photo

Red-lined Scrub-Hairstreak (Strymon bebrycia [Hewitson])

Wing span: 1 - 1 1/4 inches (2.5 - 3.2 cm).

Identification: One long tail on hindwing. Upperside gray. Underside of hindwing gray with white submarginal spots; red-orange postmedian line capped with white toward the outer edge of the wing.

Life history: Males perch on hilltop bushes to find receptive females.

Flight: Possibly three broods in South Texas from February-December; flies all year in Mexico.

Caterpillar hosts: Balloon vine (Cardiospermum halicacabum) in the Sapindaceae family.

Adult food: Flower nectar.

Habitat: Subtropical thorn scrub, desert scrub.

Range: Northwest Costa Rica north through Mexico. Rare vagrant to South Texas and southern Arizona.

Conservation: Not required 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:

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.
Red-lined Scrub-Hairstreak (Strymon bebrycia)
distribution map
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