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Butterflies of New York -- Satyrium acadica

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Butterflies of North America

Butterflies of New York

Acadian Hairstreak (Satyrium acadica)
JPG -- species photo

Acadian Hairstreak (Satyrium acadica [W. H. Edwards])

Wing span: 1 1/8 - 1 1/2 inches (2.9 - 3.8 cm).

Identification: One tail on each hindwing. Upperside brown-gray. Underside of hindwing gray; blue marginal spot is capped with orange; row of orange submarginal spots capped with black; round black spots form postmedian row.

Life history: Males perch on low vegetation near host plants to watch for females. Eggs are laid on twigs and hatch the next spring; caterpillars eat leaves.

Flight: One flight from June-August.

Caterpillar hosts: Various willow species including black willow (Salix nigra) and silk willow (Salix sericea).

Adult food: Nectar from flowers including butterflyweed, meadowsweet, milkweeds, New Jersey tea, and thistles.

Habitat: Willow-lined streams, marshes, moist woodlands.

Range: British Columbia east to Nova Scotia; south to Idaho, Colorado, the upper Midwest, Maryland, and New Jersey.

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.

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:

Cech, R. 1993.  A Distributional Checklist of the Butterflies and Skippers of 
     the New York City Area (50-mile Radius) and Long Island.  New York City 
     Butterfly Club Special Publication.  27 pp.

Forbes, W.T.M.  1960.  Lepidoptera of New York and Neighboring States.  Part 
     IV: Agaristidae through Nymphalidae Including Butterflies.  Cornell Univ. 
     Agricultural Experimental Station, Ithaca, N.Y.  Memoir 371.  188 pp.

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. 

Klass, C. and Dirig, R.  1992.  Learning about Butterflies.  Cornell Cooperative 
     Extension Publication, 4-H Member/Leader Guide 139-M-9.  Ithaca, N.Y.  
     36 pp.

Layberry, R.A., Hall, P.W. & Lafontaine, D.J., 1998.  The Butterflies of 
     Canada.  University of Toronto Press, Toronto, ON.  280 pp.
     
Opler, P.A. 1998. A field guide to eastern butterflies, revised format.
     Houghton Mifflin Co., Boston.      

Shapiro, A.M.  1974.  Butterflies and Skippers of New York State.  Cornell Univ.
     Agricultural Experimental Station, Ithaca, N.Y.  Search 4:1-60.   
Acadian Hairstreak (Satyrium acadica)
distribution map
map legend

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