North American Butterflies and Moths List

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The Registry of Nature Habitats

U.S. Geological Survey

Butterflies of North America

Glassy-winged Skipper (Xenophanes tryxus (=trixus))

Glassy-winged Skipper (Xenophanes tryxus [Stoll])

Wing span: 1 1/8 - 1 5/16 inches (2.9 - 3.3 cm).

Identification: Forewing has an irregular outer margin; hindwing is slightly scalloped. Upperside is gray-black with irregular transparent patches.

Life history: Not reported.

Flight: Three broods from February-December in South Texas; many flights in Mexico.

Caterpillar hosts: Malvaviscus and Malachra in the mallow family (Malvaceae).

Adult food: Flower nectar.

Habitat: Subtropical open areas.

Range: Argentina north through tropical America to northern Mexico. A periodic resident in the lower Rio Grande Valley, Texas, and a rare stray to southwest New Mexico.

Conservation: Not necessary for periodic 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

Glassy-winged Skipper (Xenophanes tryxus (=trixus))
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