North American Butterflies and Moths List

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U.S. Geological Survey

Butterflies of North America

Chestnut-marked Skipper (Thespieus macareus)

Chestnut-marked Skipper (Thespieus macareus [Herrich-Schäffer])

Wing span: 1 5/16 - 1 1/2 inches (3.4 - 3.9 cm).

Identification: Upperside is dark brown with large transparent white spots on both wings. Underside of hindwing is variegated white, brown, gray, and red.

Life history: Not reported.

Flight: Several broods; from July-November in South Texas, February-November in Mexico and Central America.

Caterpillar hosts: Not reported.

Adult food: Flower nectar.

Habitat: Subtropical thorn scrub.

Range: Venezuela north through Colombia and Central America to central Mexico. An occasional stray to the lower Rio Grande Valley, Texas.

Conservation: Not required for a 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: None 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

Chestnut-marked Skipper (Thespieus macareus)
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