Dainty Sulphur - Nathalis iole
Nathalis iole nectaring on Eriogonum fasciculatum along Cactus Spring Trail. June 17, 2016.
Dainty Sulphur - Nathalis iole
The darker winter form of the Dainty Sulphur - Nathalis iole - at Plum Canyon, Arza-Borrego Desert State Park, Jan. 30, 2006.
Dainty Sulphur - Nathalis iole
Summer form Dainty Sulphur on rattlesnake weed at Cactus Spring Trail, Riverside Co., May 14, 2006.
Dainty Sulphur - Nathalis iole
Nathalis iole was common along Cactus Springs trail on September 20, 2013.

©Dennis Walker