Irvine Regional Park, Orange, Orange County, CA. 2-3-07. © Ron Hemberger 		Sweat Bee

Halictus tripartitus

Hymenoptera: Halictidae

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Irvine Regional Park, Orange, Orange County, CA. 2-3-07. © Ron Hemberger
Irvine Regional Park, Orange, Orange County, CA. 2-3-07. © Ron Hemberger

Irvine Regional Park, Orange, Orange County, CA. 2-3-07. © Ron Hemberger
Fullerton Arboretum, Fullerton, Orange County, CA. 8-4-07. © Ron Hemberger

Female. Fullerton Arboretum, Fullerton, Orange County, CA. 4-1-07. © Ron Hemberger
Female. Fullerton Arboretum, Fullerton, Orange County, CA. 4-1-07. © Ron Hemberger

Female. Fullerton Arboretum, Fullerton, Orange County, CA. 8/17/07. © Ron Hemberger
Female. Fullerton Arboretum, Fullerton, Orange County, CA. 8/17/07. © Ron Hemberger

Female. Fullerton Arboretum, Fullerton, Orange County, CA. 8/17/07. © Ron Hemberger		 Fullerton Arboretum, Fullerton, Orange County, CA. 8/26/07. © Ron Hemberger

Fullerton Arboretum, Fullerton, Orange County, CA. 8/26/07. © Ron Hemberger
Fullerton Arboretum, Fullerton, Orange County, CA. 07/24/07. © Ron Hemberger

Fullerton Arboretum, Fullerton, Orange County, CA. 07/24/07. © Ron Hemberger
Fullerton Arboretum, Fullerton, Orange County, CA. 07/24/07. © Ron Hemberger

Fullerton Arboretum, Fullerton, Orange County, CA. 07/24/07. © Ron Hemberger
Female. Irvine Regional Park, Orange, Orange County, CA. 7-29-08. © Ron Hemberger

Female. San Joaquin Freshwater Marsh, Irvine, Orange County, CA. 6-23-08. © Ron Hemberger
Female. San Joaquin Freshwater Marsh, Irvine, Orange County, CA. 6-23-08. © Ron Hemberger

Female. Fullerton Arboretum, Fullerton, Orange County, CA. 8/17/07. © Ron Hemberger
Female. Fullerton Arboretum, Fullerton, Orange County, CA. 8/17/07. © Ron Hemberger

Male. Fullerton Arboretum, Fullerton, Orange County, CA. 6/26/08. © Ron Hemberger