North American Butterflies and Moths List

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Butterflies of North America

Butterflies of New York

Cloudless Sulphur (Phoebis sennae)
JPG -- species photo

Cloudless Sulphur (Phoebis sennae [Linnaeus])

Wing span: 2 1/4 - 3 1/8 inches (5.7 - 8 cm).

Identification: Upper surface of male is lemon yellow with no markings. Female is yellow or white; outer edges of both wings with irregular black borders; upper forewing with dark spot in cell. Lower surface of hindwing of both sexes with 2 pink-edged silver spots.

Life history: Males patrol with rapid flight, searching for receptive females. Eggs are laid singly on young leaves or flower buds of host plants; caterpillars eat leaves and rest on underside of leaf petioles.

Flight: Many flights year around in the Deep South; may have one flight in late summer in other southern states; immigrants to northern states in August or September usually do not reproduce.

Caterpillar hosts: Cassia species in the pea family (Fabaceae).

Adult food: Nectar from many different flowers with long tubes including cordia, bougainvilla, cardinal flower, hibiscus, lantana, and wild morning glory.

Habitat: Disturbed open areas including parks, yards, gardens, beaches, road edges, abandoned fields, scrub.

Range: Permanent resident from Argentina north to southern Texas and the Deep South. Regular visitor and occasional colonist in most of the eastern United States and the Southwest.

Conservation: Not usually required.

Management needs: None reported.

The Nature Conservancy Global Rank: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.

References:


DeVries, P. J. 1987. The butterflies of Costa Rica and their  natural 

     history. Princeton University Press, Princeton, New  Jersey. 327 pages, 

     50 color plates.



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.   

Cloudless Sulphur (Phoebis sennae)
distribution map
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