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Emerald Aguna (Aguna claxon Evans)
Wing span: 1 1/2 - 1 3/4 inches (3.8 - 4.5 cm).
Identification: Hindwings are lobed. Upperside of body is green. Upperside of wings is brown with green wing bases. Forewing has a white median band both above and below. Underside of hindwing has a distinct silver-white median band.
Life history: Not reported.
Flight: October in South Texas, June-October in Mexico.
Caterpillar hosts: Probably legumes.
Adult food: Flower nectar.
Habitat: Subtropics.
Range: Venezuela and Colombia north through Central America to Mexico. A rare stray to the lower Rio Grande Valley, Texas.
Conservation: Not necessary for 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.
References:
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:
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.
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