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Butterflies of New Mexico -- Pontia sisymbrii

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Butterflies of North America

Butterflies of New Mexico

Spring White (Pontia sisymbrii)
JPG -- species photo

Spring White (Pontia sisymbrii [Boisduval])

Wing span: 1 1/4 - 1 3/4 inches (3 - 4.5 cm).

Identification: Upperside of both wings with dark veins on white to creamy yellow background; front wing cell bar is narrow. Veins of underside of hindwing may be edged widely with olive.

Life history: Males patrol hilltops, ridges, or bottoms of canyons in search of females. Eggs are laid singly on any part of the host plants. Young caterpillars feed on leaves, older ones on flowers. Chrysalids hibernate.

Flight: One flight from February-July.

Caterpillar hosts: Plants in the mustard family (Brassicaceae) including hedge mustard (Sisymbrium), rock cresses (Arabis), and tansy-mustard (Descurainia) species.

Adult food: Not reported.

Habitat: Desert hills and other dry slopes, rocky canyons and outcrops, roadsides, open coniferous forests.

Range: British Columbia south to Baja California, east to western Nebraska and western South Dakota.

Conservation: Not usually required.

Management needs: None noted.

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:

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:

Ferris, C.D. and F.M. Brown. 1980. Butterflies of the Rocky Mountain States. 
     University of Oklahoma Press. Norman.

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.

Add Toliver, M., Holland, R., and S.J. Cary. 1996. Distributional data
     for New Mexico Butterflies. Privately published. Albuquerque, N.M.
Spring White (Pontia sisymbrii)
distribution map
map legend

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