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