Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-3-09. © Peter J. Bryant		 Yellow-Masked Bee

Hylaeus calvus

Hymenoptera: Colletidae

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Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-24-07. © Ron Hemberger
Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-24-07. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-24-07. © Ron Hemberger
Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-24-07. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-24-07. © Ron Hemberger
Nix Nature Center, Laguna Beach, Orange County, CA. 7-14-08. © Ron Hemberger

Nix Nature Center, Laguna Beach, Orange County, CA. 7-14-08. © Ron Hemberger
Nix Nature Center, Laguna Beach, Orange County, CA. 7-14-08. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-3-09. © Peter J. Bryant
Fullerton Arboretum, Fullerton, Orange County, CA. 4-1-07. © Ron Hemberger
The following identified only to subgenus Paraprosopis

Female. Irvine Regional Park, Orange, Orange County, CA. 6-13-10. © Ron Hemberger
Female. Irvine Regional Park, Orange, Orange County, CA. 6-13-10. © Ron Hemberger

Female. Irvine Regional Park, Orange, Orange County, CA. 6-13-10. © Ron Hemberger
Peters Canyon, Orange, Orange County, CA. 6-23-10. © Ron Hemberger