This female Sonoran Blue was one of several flying at Cactus Spring Trail in the Santa Rosas, March 8th, 2014.

A female Philotes sonorensis sonorensis - the Sonoran Blue. Islip Cyn, San Gabriel Cyn, March 8, 2006. The eastern San Gabriels are a good place to find this butterfly.

A male Sonoran Blue. Note the lack of orange on the hind wing of the males. Barrett-Stoddard Truck Trail, San Gabriels, March 14, 2007.

A ventral of the Sonoran Blue. West Fork, San Gabriel Canyon, April 13, 2006.

Sonoran Blues can be locally common along the West Fork trail in the spring. April 18, 2006.