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Butterflies of Florida -- Strymon istapa

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Butterflies of North America

Butterflies of Florida

Mallow Scrub-Hairstreak (Strymon istapa)
JPG -- species photo

Mallow Scrub-Hairstreak (Strymon istapa [Fabricius])

Wing span: 7/8 - 1 1/4 inches (2.2 - 3.2 cm).

Identification: One short hindwing tail. Upperside dark gray; female with blue-gray at lower half of hindwing. Underside hindwing gray with one round black spot near base of costa, postmedian row of small black dots.

Life history: Caterpillars eat stems and young leaves of host plant.

Flight: All year; number of broods has not been determined.

Caterpillar hosts: Plants in mallow family (Malvaceae) including alkali mallow (Sida hederacea) and coastal Indian mallow (Abutilon permolle); also bay cedar (Suriana maritima).

Adult food: Nectar from small-flowered trees and composites, croton.

Habitat: Open disturbed areas, second growth, weedy pastures, roadsides.

Range: Brazil north through Central America, the West Indies, and Mexico to southern California, southern Arizona, South Texas, and peninsular Florida.

Conservation: Any limited U. S. populations may require conservation.

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: Maintain present habitats and manage for necessary host and nectar plants.

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:

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.
Mallow Scrub-Hairstreak (Strymon istapa)
distribution map
map legend

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