Junonia coenia grisea - Common Buckeye
Junonia grisea, the 'Gray' Common Buckeye. Poison Meadow, July 19, 2012. This article has clarified the situation with the Junonia butterflies and elevated the grisea subspecies of coenia to a full species. See this article as well.
Junonia coenia grisea - Common Buckeye
Another Buckeye. The males aggressively patrol clearings such as trails. Malibu Creek State Park, June 28, 2005.
Junonia coenia grisea - Common Buckeye
Ventral of a typical Common Buckeye. Malibu Creek, May 10, 2006.
Junonia coenia grisea - Common Buckeye
This is the darker fall form of the Common Buckeye (more noticeable on the ventral as in the photo below). Ballona Wetlands, October 28, 2005.
Junonia coenia grisea - Common Buckeye
Ventral of the fall Common Buckeye, same day as the previous.

©Dennis Walker