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Cyna Blue (Zizula cyna [W. H. Edwards])
Wing span: 5/8 - 7/8 inch (1.6 - 2.2 cm).
Identification: Very small. Upperside violet-blue with wide dark borders. Underside pale gray with many tiny black dots.
Life history: Not reported.
Flight: March-November. Number of broods is not yet determined.
Caterpillar hosts: Flower buds of Acanthaceae plants.
Adult food: Flower nectar.
Habitat: Open scrub in subtropics and deserts.
Range: South Texas south through Mexico, Central America, and South America to Argentina. Strays to north Texas, southern Arizona, and Kansas.
Conservation: Permanent populations in the United States, if any, should be conserved.
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:
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.
Tilden, J. W. 1986. A field guide to western butterflies. Houghton-Mifflin Co.,
Boston, Mass. 370 pages, 23 color plates.
Author: Jane M. Struttmann
State and Regional References:
Bailowitz, R. A. and J. P. Brock. 1991. Butterflies of Southeastern Arizona.
Tucson, Ariz.: Sonoran Arthropod Studies, Inc.
Garth, J.S. 1950. Butterflies of Grand Canyon National Park. Grand Canyon
Natural History Association, Grand Canyon, Ariz.
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.
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 1999 -
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