Black-patched Cracker (Hamadryas atlantis [Godman & Salvin])
Wing span: Not reported.
Identification: Upperside is mottled gray, brown, and white. Lower surface of forewing is white with a black patch on outer half and 5 black lines across the cell.
Life history: Unlike the other Hamadryas species, the males of H. atlantis have not been heard making noise when they fly.
Flight: Many flights from May-November in Mexico.
Caterpillar hosts: Vine Dalechampia in the spurge family (Euphorbiaceae).
Adult food: Rotting fruit and other non-floral resources.
Habitat: Dry, open valley bottoms with trees.
Range: Honduras north through tropical America to Mexico; a rare stray in southeastern Arizona.
Conservation: Not required for rare stray.
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.
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.