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Diadasia bituberculata

Diadasia bituberculata
Palo Comado Canyon, north of Agoura Hills, Los Angeles County, California, USA
April 25, 2007
Size: 13 mm
Dead. These bees were swarming on an open patch of bare ground by the roadside. An area of probably 20 square meters was densely punctured with hundreds of exit holes. Upwards of a thousand bees were swarming above these, landing occasionally to examine, and even fight over, the holes. Unfortunately I didn't have my camera along at the time.

The tentative ID is based on the presence of what was probably Rhipiphorus diadasiae at this nesting site, this beetle species being parasitic of Diadasia bituberculata according to .

Images of this individual: tag all
Diadasia bituberculata Diadasia bituberculata Diadasia bituberculata