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Butterflies of Florida -- Proteides mercurius

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Butterflies of North America

Butterflies of Florida

Mercurial Skipper (Proteides mercurius)
JPG -- species photo

Mercurial Skipper (Proteides mercurius [Fabricius])

Wing span: 2 1/4 - 2 3/4 inches (5.8 - 7 cm).

Identification: Head and thorax are bright orange above; forewings are elongate. Upperside of wings is brown with golden orange at the bases. Underside is chestnut brown with white frosting on outer edges; center of hindwing has an indistinct white mark.

Life history: Adults bask with their wings spread open. Males perch to find females. Caterpillars rest in leaf shelters and come out at night to eat leaves.

Flight: April-May in southern Florida, April-October in South Texas, all year in Mexico.

Caterpillar hosts: Tree and vine legumes including senna (Cassia), cow pea (Vigna), and Muellera.

Adult food: Flower nectar.

Habitat: Near streams in lowland tropical forests, particularly in edges and openings.

Range: Argentina north through Central America to Mexico and the West Indies. Strays to Florida, Louisiana, and Texas.

Conservation: Not usually required.

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: None reported.

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:

Gerberg, E.J. and Arnett, R.H., Jr.  Florida Butterflies.  Natural Science
     Publications, Inc.  Baltimore, MD.  90 pp.

Kimball, C.P.  1965.  Arthropods of Florida and Neighboring Land Areas - Vol. 1:
     Lepidoptera of Florida.  Div. of Plant Industry, State of Florida Dept. 
     of Agriculture.  Gainesville, FL.  363 pp. 

Minno, M.C. and Emmel, T.C.  1993.  Butterflies of the Florida Keys.  Scientific
     Publishers.  Gainesville, FL.  168 pp.
     
Opler, P.A. 1998. A field guide to eastern butterflies, revised format.
     Houghton Mifflin Co., Boston.     

Smith, D.S., Miller, L.D. and Miller, J.Y.  1994.  The Butterflies of the West
     Indies and South Florida.  Oxford Univ. Press.  Oxford, U.K.  264 pp.
Mercurial Skipper (Proteides mercurius)
distribution map
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