Red-bordered Satyr (Gyrocheilus patrobas [Hewitson])
Wing span: 2 - 2 3/8 inches (5.1 - 6 cm).
Identification: Leading edge of forewing is curved; wings are dark brown; upper and lower sides are identical. Forewing has a light brown submarginal band and 3-4 small white spots just inside the band. Hindwing has a wide, dull red border.
Life history: Males patrol in shady habitat for females.
Flight: One brood from mid-August to October.
Caterpillar hosts: Muhlenbergia emersleyi in Arizona.
Adult food: Not reported.
Habitat: Streamsides in open coniferous forests in the mountains of central and southern Arizona.
Range: Central Arizona south to Central America.
Conservation: Not usually required.
The Nature Conservancy Global Rank: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management needs: None reported.
Bailowitz, R. A., and J. P. Brock. 1991. Butterflies of southeastern Arizona. Sonoran Arthropod Studies, Inc., Tucson, Arizona. 342 pages. Scott, J. A. 1986. The butterflies of North America. Stanford University Press, Stanford, Calif. 583 pages, 64 color plates. Tilden, J. W. 1986. A field guide to western butterflies. Houghton-Mifflin Co., Boston, Mass. 370 pages, 23 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.