Anthocharis lanceolata desertolimbus - Desert Edge Gray Marble
Anthocharis lanceolata desertolimbus, a subspecies of the Gray Marble named in 1998. Photographed along the Cactus Springs Trail in the Santa Rosa Mountains, March 30, 2011. This one is nectaring on Desert Lotus.
Anthocharis lanceolata desertolimbus - Desert Edge Gray Marble
Another desertolimbus, this one from April 4, 2015, also from Cactus Springs Trail.

©Dennis Walker