Common Buckeye (Junonia coenia)
Common Buckeye Junonia coenia Iowa
Common Buckeye butterfly (Junonia coenia) on  a blade of grass in an open field at Geode State Park in Iowa.

Details:  Canon EOS 10D,  shutter 1/350 second, aperture f11, ISO 400, Canon EF 100 mm macro lens, no flash.
 

Selected References:

Brock Jim P., Kaufman Kenn. Butterflies of North America. New York: Houghton Mifflin Company, 2003. P 206-207.

Struttmann Jane M. USGS Northern Prairie Wildlife Research Center. "Common Buckeye (Junonia coenia)" Butterflies of North America / Butterflies of Iowa. <http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/ia/175.htm > (15 Sep. 2004)