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Butterflies of Kansas -- Nastra lherminier

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Butterflies of North America

Butterflies of Kansas

Swarthy Skipper (Nastra lherminier)
JPG -- species photo

Swarthy Skipper (Nastra lherminier [Latreille])

Wing span: 1 - 1 1/8 inches (2.5 - 2.9 cm).

Identification: Upperside is dark brown; forewing may have 2 very faint light spots. Underside of hindwing is yellow-brown with lighter veins.

Life history: Males perch near the ground on grass stems; most mating occurs in the late afternoon.

Flight: Two broods from May-September, earlier in the south.

Caterpillar hosts: Little bluestem (Andropogon scoparius).

Adult food: Nectar from low-growing flowers including selfheal, red clover, tick trefoil, purple vetch, New Jersey tea, and peppermint.

Habitat: Grassy, open areas such as sand barrens, meadows, hillsides, fields.

Range: Eastern United States from Missouri east to southern New York; south to eastern Texas, the Gulf states, and southern Florida. Strays north to northern Minnesota, southern Michigan, and western Kansas.

Conservation: Not usually required.

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: None reported.

References:

Opler, P. A. and G. O. Krizek. 1984. Butterflies east of the Great Plains. Johns 
     Hopkins University Press, Baltimore. 294 pages, 54 color plates.

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.

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. 

Author: Jane M. Struttmann

State and Regional References:

Ely, C., Schwilling, M.D., and M.E. Rolfs. 1986. An Annotated List of the 
     Butterflies of Kansas. Fort Hays Studies (Science) 7,  Fort Hays State 
     University, Fort Hays, Kans.

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.

Tilden, J.W. and A.C. Smith. 1986. A Field Guide to Western Butterflies. 
     Houghton Mifflin Co., Boston, Mass.
Swarthy Skipper (Nastra lherminier)
distribution map
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