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Large Orange Sulphur (Phoebis agarithe [Boisduval])
Wing span: 2 1/4 - 3 3/8 inches (5.7 - 8.6 cm).
Identification: Upper surface of male bright orange with no markings. Two female forms, pink-white or yellow-orange. Underside forewing of both sexes with straight submarginal line. Two seasonal forms; winter form has heavier underside markings.
Life history: Caterpillars eat new leaves.
Flight: All year in south Texas and south Florida, strays north in mid- to late summer.
Caterpillar hosts: Pithecellobium and Inga species in the pea family (Fabaceae).
Adult food: Nectar from flowers of lantana, shepherd's needle, bougainvilla, rose periwinkle, turk's cap, and hibiscus.
Habitat: Open, tropical lowlands including gardens, pastures, road edges, trails, parks.
Range: Peru north to southern Texas and peninsular Florida. Rare stray to Colorado, South Dakota, Wisconsin, and New Jersey.
Conservation: Not usually required.
Management needs: None reported.
The Nature Conservancy Global Rank: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
References:
Opler, P. A. and G. O. Krizek. 1984. Butterflies east of the Great Plains.
Johns Hopkins University Press, Baltimore. 294 pages, 54 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.
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:
Brown, J.W., Real, H.G., and D.K. Faulkner. 1992. Butterflies of Baja
California. Lepidoptera Research Foundation, Beverly Hills, Calif.
Comstock, J.A. 1927. Butterflies of California. Privately published, Los
Angeles, Calif. [Facsimile available from Entomological Reprint
Specialists, Los Angeles, Calif.]
Dameron, W. 1997. Searching for butterflies in southern California.
Flutterby Press, Los Angeles, Calif.
Emmel, T.C. Editor. 1998. Systematics of western North American butterflies.
Mariposa Press, Gainesville, Florida.
Emmel, T. C. and J. F. Emmel. 1973. The Butterflies of Southern California.
Natural History Museum of Los Angeles County Science Series No. 26.
Garth, J.S. and J.W. Tilden. 1986. California Butterflies. California Natural
History Guide 51. University of California Press, Berkeley and Los
Angeles.
Langston, R.L. 1981. The Rhopalocera of Santa Cruz Island, California. Journal
of Research on the Lepidoptera 18: 24-35.
Miller, Scott E. 1985. Butterflies of the Califorenia Channel Islands. Journal
of the Research on the Lepidoptera 23: 282-296.
Opler, Paul A. 1999. Peterson Field Guide to Western Butterflies, revised
edition. Houghton Mifflin Co., Boston, Mass.
Orsak, L.J. 1977. The Butterflies of Orange County, California. Museum of
Systematic Biology, University of california, Irvine.
Stanford, R.E. and P.A. Opler. 1993. Atlas of Western USA Butterflies.
Privately published, Denver, Colo.
Steiner, J. 1990. Bay Area Butterflies: The Distribution and Natural History
of San Francisco Region Rhopalocera. Hayward, Calif.: Hayward State
University, Masters Thesis.
Tilden, J.W. and A.C. Smith. 1986. A Field Guide to Western Butterflies.
Houghton Mifflin Co., Boston, Mass.
Tilden, J.W. 1965. Butterflies of the San Francisco Bay Region. California
Natural History Guide 12. University of California Press, Berkeley and
Los Angeles.
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