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Butterflies of North America

Butterflies of Connecticut

White M Hairstreak (Parrhasius m-album)
JPG -- species photo

White M Hairstreak (Parrhasius m-album [Boisduval & LeConte])

Wing span: 1 1/4 - 1 5/8 inches (3.2 -4.1 cm).

Identification: Tailed. Upperside iridescent blue with black borders. Underside grayish brown; white postmedian line edged with black and forming a white M (or W) near tail; white spot near base of costa.

Life history: Not reported.

Flight: Three broods in the north, four in Florida, from February-October.

Caterpillar hosts: Live oak (Quercus virginiana) and other oak species.

Adult food: Nectar from a variety of flowers including viburnum, sumac, sourwood, wild plum, poinsettia, sweet pepperbush, common milkweed, lantana, dogwood, and goldenrod.

Habitat: Woods with broadleaf trees.

Range: Connecticut west to southeast Iowa and Missouri, south to east Texas, the Gulf Coast, and peninsular Florida. Rare stray to Michigan and Wisconsin.

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 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.

Author: Jane M. Struttmann

State and Regional References:


Glassberg,  J.  1993.  Butterflies Through Binoculars: A Field Guide to 

     Butterflies in the Boston-New York-Washington Region.  Oxford Univ. Press, 

     New York, N.Y.  160 pp.

     

Opler, P.A. 1998. A field guide to eastern butterflies, revised format.

     Houghton Mifflin Co., Boston.     

White M Hairstreak (Parrhasius m-album)
distribution map
map legend

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