Euphydryas chalcedona corralensis - Rock Corral Checkerspot
The Rock Corral Checkerspot, Euphydryas chalcedona corralensis. From the TL at Rock Corral in San Bernardino Co., April 13, 2008. They have more extensive red on the dorsal side than neighboring chalcedona subspecies.
Euphydryas chalcedona corralensis - Rock Corral Checkerspot
Another corralensis from the same hike.
Euphydryas chalcedona corralensis - Rock Corral Checkerspot
Ventral of the Rock Corral Checkerspot. Same hike.

©Dennis Walker