Nabokov's Satyr (Cyllopsis pyracmon [Butler])
Wing span: 1 1/2 - 1 3/4 inches (3.8 - 4.5 cm).
Identification: Upperside is reddish brown; male forewing with dark scales in and below the cell. Underside of hindwing has a dark postmedian line with an outward-pointing jag near the costa.
Life history: Not reported.
Flight: Two broods from May-June and August-September.
Caterpillar hosts: Muhlenbergia emersleyi in Arizona.
Adult food: Not reported.
Habitat: Oak and pinyon woodland, streamsides.
Range: Guatemala north through Mexico to southeastern Arizona and southwestern New Mexico.
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.