Slaty Roadside-Skipper (Amblyscirtes nereus [W. H. Edwards])
Wing span: 1 - 1 1/8 inches (2.5 - 2.9 cm).
Identification: Upperside is blackish brown; forewing row of white spots is complete while the hindwing row is complete, reduced, or absent. Male stigma on the forewing is obscure. Underside of hindwing is gray-green with a dark brown anal area and pale spots.
Life history: Not reported.
Flight: One brood from June-August.
Caterpillar hosts: Not reported.
Adult food: Flower nectar including that from legumes (Fabaceae).
Habitat: Grassy open woodland, usually near springs.
Range: Southeastern Arizona east to west Texas, south to Mexico.
Conservation: Populations should be conserved wherever found.
The Nature Conservancy Global Rank: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
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. Stanford, R. E. and P. A. Opler. 1993. Atlas of western USA butterflies including adjacent parts of Canada and Mexico. Denver and Fort Collins, CO. 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.