Windy Hill Open Space Preserve, San Mateo Co., CA
19 June 2000
Variable Checkerspot (Euphydryas chalcedona)
Windy
Hill Open Space Preserve, San Mateo Co., CA
19 June 2000
Mt.
Diablo State Park, Contra Costa Co., CA
23 May 1999
Windy Hill Open Space Preserve, San Mateo Co., CA
19 June 2000