North American Butterflies and Moths List

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Butterflies of North America

Butterflies of Northern Mexico

Gold-spotted Aguna (Aguna asander)
JPG -- species photo

Gold-spotted Aguna (Aguna asander [Hewitson])

Wing span: 1 7/8 - 2 3/16 inches (3.8 - 5.6 cm).

Identification: Wings are chestnut brown. Forewing has pale spots that are all about the same size. Underside of hindwing has a blurry rectangular silver patch.

Life history: Adults rest on the underside of leaves.

Flight: April, June, and August-November in South Texas; December-January in Mexico.

Caterpillar hosts: Legumes including Bauhinia.

Adult food: Flower nectar.

Habitat: Tropical scrub and nearby openings and edges.

Range: Argentina north through Central America and Mexico to the West Indies. Strays to the lower Rio Grande Valley, Texas and rarely to southeastern Arizona.

Conservation: Not necessary for a 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.


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.

Smith, D. S., L. D. Miller, and J. Y. Miller. 1994. The butterflies of the West 
     Indies and South Florida. Oxford University Press, Oxford. 264 pages, 32 
     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.
Gold-spotted Aguna (Aguna asander)
distribution map
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