Goodson's Greenstreak (Cyanophrys goodsoni [Clench])
Wing span: 7/8 - 1 1/8 inches (2.2 - 3 cm).
Identification: Tailless. Face green. Upperside silver-blue. Underside yellow-green; hindwing with one red-brown spot at lower outer margin.
Life history: Eggs are laid singly on flowers of host plant.
Flight: From May-December in South Texas, February-December in Central America.
Caterpillar hosts: Herb Rivinia humilis in the Phytolaccaceae family.
Adult food: Flower nectar.
Habitat: Thorn scrub and edges of seasonally dry tropical forest.
Range: Guanacaste Province in Costa Rica north to eastern Mexico and South Texas (stray).
Conservation: Not required for rare 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.
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.