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Walker's Metalmark (Apodemia walkeri Godman & Salvin)
Wing span: 3/4 - 1 inch (2 - 2.5 cm).
Identification: Small. Upperside gray with blurred white areas and orange marginal bands. Underside white with orange marginal bands and small black marks.
Life history: Not reported.
Flight: June and October in South Texas, all year in Mexico.
Caterpillar hosts: Not reported.
Adult food: Flower nectar.
Habitat: Subtropical scrub and forest.
Range: Northwest Costa Rica north through Mexico. An occasional visitor to the lower Rio Grande Valley in South Texas.
Conservation: Not required for periodic stray.
The Nature Conservancy Global Rank: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management needs: None reported.
References:
DeVries, P. J. 1997. The butterflies of Costa Rica and their natural history.
Volume II Riodinidae. Princeton University Press, Princeton, New Jersey.
288 pages, 25 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.
Author: Jane M. Struttmann
State and Regional References:
Neck, R.W. 1996. A Field Guide to Butterflies of Texas. Gulf Publishing Co.,
Houston, Texas.
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.
Tveten, J. and Tveten, G. 1996. Butterflies of Houston & Southeast Texas.
Univ. of Texas Press, Austin, TX. 292 pp.
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