Edwardsii color form. Fullerton Arboretum, Fullerton, Orange County, CA. 4-9-07. © Ron Hemberger
Black-tailed Bumble Bee

Bombus melanopygus

Hymenoptera: Apidae

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Edwardsii color form. Fullerton Arboretum, Fullerton, Orange County, CA. 4-9-07. © Ron Hemberger


Edwardsii color form. Fullerton Arboretum, Fullerton, Orange County, CA. 4-9-07. © Ron Hemberger

Edwardsii color form. Fullerton Arboretum, Fullerton, Orange County, CA. 4-9-07. © Ron Hemberger

Edwardsii color form. Fullerton Arboretum, Fullerton, Orange County, CA. 4-9-07. © Ron Hemberger

Edwardsii color form. Fullerton Arboretum, Fullerton, Orange County, CA. 4-9-07. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-29-08. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-29-08. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 5-29-08. © Ron Hemberger

Fullerton Arboretum, Fullerton, Orange County, CA. 1-25-10. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 7-5-10. © Ron Hemberger

Fullerton Arboretum, Fullerton, Orange County, CA. 1-25-10. © Ron Hemberger

Fullerton Arboretum, Fullerton, Orange County, CA. 1-25-10. © Ron Hemberger

Fullerton Arboretum, Fullerton, Orange County, CA. 1-25-10. © Ron Hemberger

Fullerton Arboretum, Fullerton, Orange County, CA. 1-25-10. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 7-7-10. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 7-7-10. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 7-5-10. © Ron Hemberger

Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 7-5-10. © Ron Hemberger