Details:  Canon EOS 10D,  shutter 1/90 second, aperture f11, ISO 400, Canon EF 100 mm macro lens, Canon MR-14EX flash.

Selected References:

Brock Jim P., Kaufman Kenn. Butterflies of North America. New York: Houghton Mifflin Company, 2003. P 330-331.

Struttmann Jane M. USGS Northern Prairie Wildlife Research Center. "Zabulon Skipper (Poanes zabulon)." Butterflies of North America / Butterflies of Iowa. <http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/ia/541.htm >(15 Sep. 2004).