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Butterflies of New Mexico -- Chlosyne janais

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Butterflies of North America

Butterflies of New Mexico

Crimson Patch (Chlosyne janais)
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Crimson Patch (Chlosyne janais [Drury])

Wing span: 1 7/8 - 2 5/8 inches (4.8 - 6.7 cm).

Identification: Upper and lower sides of forewing are black with small white spots. Upper hindwing is black with large orange-red patch on the basal half. Lower side of hindwing has an orange-red postmedian band that does not extend to margins of the wing.

Life history: Eggs are laid in groups under host plant leaves. Caterpillars feed on the undersides of leaves; younger caterpillars feed gregariously.

Flight: Several broods in South Texas from July-November, all year in the tropics.

Caterpillar hosts: Scrubby plants in the acanthus family (Acanthaceae) including Anisacanthus wrightii in Texas.

Adult food: Flower nectar.

Habitat: Lowland tropical forest edges and fields.

Range: Colombia north through Central America and Mexico to South Texas. Strays to north Texas and southeastern New Mexico.

Conservation: Not necessary for sporadic resident.

The Nature Conservancy Global Rank: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.

Management needs: Provide host plant patches in refuges and parks along the lower Rio Grande Valley, Texas.

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.

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.
Crimson Patch (Chlosyne janais)
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