A male Gabb's Checkerspot at Otay Mesa, San Diego Co., March 8, 2008.

Another male Chlosyne gabbii gabbii. Barrett-Stoddard Truck Trail, San Gabriel Mtns, April 29, 2007.

Female gabbii at Malibu Creek State Park, April 25, 2010. Females have more contrasting coloration than males.

Gabb's Checkerspot ventral, Malibu Creek, May 10, 2006.

Another ventral of Gabb's Checkerspot. Note the subtle variation among these three on the venters. Barrett-Stoddard Truck Trail, San Gabriel Mtns, April 29, 2007.

Gabb's Checkerspot. Barrett-Stoddard Truck Trail, San Gabriel Mtns, April 29, 2007.