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Butterflies of California -- Anthocharis sara

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Butterflies of North America

Butterflies of California

Pacific Orangetip (Anthocharis sara)
JPG -- species photo

Pacific Orangetip (Anthocharis sara Lucas)

Wing span: 1 1/16 - 1 1/2 inches (2.7 - 4.0 cm).

Identification: Upperside of male forewing with large, orange-red spot; border of apex dark, narrow. Female spot smaller; dark border with white wedges. Underside of hindwing with scattered, dark-green marbling. Late spring individuals are larger with less black and hyave yellow green marbling below. Some individuals are yellow.

Life history: Males patrol, mostly in valleys, for females. Eggs are laid singly near tops of host plants. Young caterpillars feed on flower buds, older ones on flowers and fruits. Chrysalids hibernate.

Flight: One flight during June in Alaska; primary flight on California coast from February-April with a second partial flight from May-June.

Caterpillar hosts: Plants in the mustard (Brassicaceae) family especially rock cresses such as tower mustard. In California, presence of late flowering "true" mustards (Brassica species) allows extended larval feeding and a partial second flight.

Adult food: Flower nectar, including that of host mustards, thistles, fiddleneck, and brodiaeas.

Habitat: Open oak woods in hills, orchards, fields, meadows, streamcourses, canyons.

Range: Alaska coast south to Baja California mainly to west of Pacific divide.

Conservation: Conserve restricted populations.

Management needs: Preserve host plant and flyway habitats.

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:

Emmel, T.C. and J.F. Emmel. 1973. The butterflies of southern California. 
     Natural History Museum of Los Angeles County, Los Angeles. 148 pages.

Garth, J.S. and J.W. Tilden. 1986.California Butterflies. University of 
     California Press, Berkeley and Los Angeles. 246 pp, 24 plates.

Layberry, R.A., P.W. Hall, and J.D. Lafontaine. 1998. The Butterflies of Canada. 
     University of Toronto Press, Toronto. 282 pages, 32 color plates.

Opler, P.A. 1999. A field guide to western butterflies.  Houghton-Mifflin Co., 
     Boston, Mass. 540 pages, 44 color plates.

Scott, J. A. 1986. The butterflies of North America. Stanford University Press, 
     Stanford, Calif. 583 pages, 64 color plates.

Stanford, R. E. and P. A. Opler. 1993. Atlas of western USA butterflies including 
     adjacent parts of Canada and Mexico. Denver and Fort Collins, CO. 

Author: Paul A. Opler

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.
Pacific Orangetip (Anthocharis sara)
distribution map
map legend

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