North American Butterflies and Moths List

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Butterflies of North America

Butterflies of New York

Hoary Comma (Polygonia gracilis)
JPG -- species photo

Hoary Comma (Polygonia gracilis [Grote & Robinson])

Wing span: 1 1/2 - 2 1/4 inches (3.9 - 5.7 cm).

Identification: Upperside is dark red-orange, borders darker; hindwing with yellow submarginal spots. Underside is gray-brown; outer half much lighter, frosted white or silver-gray. Silver spot at center of hindwing is fishhook-shaped.

Life history: In the afternoons, males perch on plants in valley bottoms to seek females. Eggs are laid on petioles and undersides of host plant leaves. Caterpillars eat leaves and rest underneath. Adults hibernate.

Flight: Overwintered adults emerge and lay eggs in the spring until June; the new generation appears in July and flies until September, then hibernates.

Caterpillar hosts: Currants and gooseberries (Ribes), western azalea (Rhododendron occidentale), and mock azalea (Menziesia glabella).

Adult food: Sap and nectar from flowers of sweet everlasting (Gnaphalium) among others.

Habitat: From foothills to treeline: forest openings and edges, woodland streamsides, brushlands.

Range: Boreal North America south of the tundra. Central Alaska south to central California and northern New Mexico; east across southern Canada and the Great Lakes region to New England and the Maritimes.

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.

Note:The Zephyr, subspecies zephyrus, was previously treated as a separate subspecies.

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.   

Hoary Comma (Polygonia gracilis)
distribution map
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