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Butterflies of Missouri -- Cyllopsis gemma

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Butterflies of North America

Butterflies of Missouri

Gemmed Satyr (Cyllopsis gemma)
JPG -- species photo

Gemmed Satyr (Cyllopsis gemma [Hübner])

Wing span: 1 3/8 - 1 11/16 inches (3.5 - 4.3 cm).

Identification: Wings are brown and lack eyespots. Underside of hindwing has a silvery patch at the outer margin which contains 4 black reflective spots.

Life history: Males patrol for receptive females. Eggs are laid on or near the host plant. Caterpillars feed at night and hide at the base of the plant during the day. Fourth-stage caterpillars hibernate.

Flight: Several broods all through the year in South Texas; three broods from April-September elsewhere.

Caterpillar hosts: Probably Bermuda grass (Cynodon dactylon).

Adult food: Not reported.

Habitat: Near open, wet woodland; grassy areas near water; near streams and ponds.

Range: Southeastern United States: the Atlantic Coast from Maryland south to central peninsular Florida; west to southeast Kansas, central Oklahoma, central Texas, and northeastern Mexico.

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:

Heitzman, J.R. and Heitzman, J.E.  1987.  Butterflies and Moths of Missouri.
     Missouri Dept. of Conservation.  Jefferson City, MO.  385 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.     
Gemmed Satyr (Cyllopsis gemma)
distribution map
map legend

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