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Butterflies of Nevada -- Limenitis archippus

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Butterflies of Nevada

Viceroy (Limenitis archippus)
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Viceroy (Limenitis archippus [Cramer])

Wing span: 2 1/2 - 3 3/8 inches (6.3 - 8.6 cm).

Identification: Upperside is orange and black, resembling the Monarch (Danaus plexippus), except the Viceroy has a black line across the hindwing and a single row of white dots in the black marginal band. Where Monarchs are rare in Florida, Georgia, and the Southwest, Viceroys are brown instead of orange and mimic the Queen (Danaus gilippus).

Life history: During most of the day, males perch on vegetation or patrol around the host plants to find females. Females lay eggs at the tip of host plant leaves, depositing only two or three eggs on a plant before moving to another. Caterpillars eat their eggshells after they hatch, then at night feed on catkins and leaves. Young caterpillars make a ball of leaf bits, dung, and silk which hangs off the leaf on which they are feeding; the dangling mass may distract predators. Third-stage caterpillars make a shelter from a rolled leaf tip in which to spend the winter.

Flight: Two to three broods from May-September in most of its range, all year in Florida.

Caterpillar hosts: Trees in the willow family (Salicaceae) including willows (Salix), and poplars and cottonwoods (Populus).

Adult food: Early in the season when few flowers are available Viceroys feed on aphid honeydew, carrion, dung, and decaying fungi. Later generations feed more often at flowers, favoring composites including aster, goldenrod, joe-pye weed, shepherd's needle, and Canada thistle.

Habitat: Moist open or shrubby areas such as lake and swamp edges, willow thickets, valley bottoms, wet meadows, and roadsides.

Range: Northwest Territories south along the eastern edges of the Cascade and Sierra Nevada mountains to central Mexico, east through all the eastern United States.

Conservation: The Obsolete Viceroy (subspecies obsoleta) has lost much of its habitat due to development, water impoundment, and the exotic aggressive saltcedar.

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: Restore riparian habitats in the Southwest. Conserve extant habitats.

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:

Emmel, T.C. Editor. 1998. Systematics of western North American butterflies.
     Mariposa Press, Gainesville, Florida.

Layberry, R.A., Hall, P.W. & Lafontaine, D.J., 1998.  The Butterflies of 
     Canada.  University of Toronto Press, Toronto, ON.  280 pp. 

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.
Viceroy (Limenitis archippus)
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