Euphydryas editha augustina - 'August' Edith's Checkerspot
This is Euphydryas editha augustina from the Bluff Lake meadow area near Big Bear, June 17th, 2012.
Euphydryas editha augustina - 'August' Edith's Checkerspot
These Euphydryas editha augustina can be locally common around Big Bear. These were along the PCT east of Van Dusen Road, Big Bear, May 6, 2006.
Euphydryas editha augustina - 'August' Edith's Checkerspot
Another 'August' Edith's Checkerspot from the same hike.
Euphydryas editha augustina - 'August' Edith's Checkerspot
Ventral of Euphydryas editha augustina, same hike. The endangered Quino Checkerspot is a different subspecies of editha, thus a close relative.
Caterpillar of Euphydryas editha augustina - 'August' Edith's Checkerspot larva
This is a post-diapause larva of Euphydryas editha augustina. I found several feeding and taking shelter at the base of Castilleja applegatei at the trailhead of the Sugarloaf Trail in Big Bear. This photo is from April 24, 2022.

©Dennis Walker