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Large Bumblebee - Bombus crotchii - female

Large Bumblebee - Bombus crotchii - Female
Cuyamaca, San Diego County, California, USA
July 9, 2006
Size: 25 mm
Visiting flowering milkweed, in the company of many tarantula hawks and other smaller bumblebees.

Moved from Bumble Bees.


To me, this looks like
a female (worker or queen) Bombus crotchii. Wait and see what Dr. Ascher says.

Bombus crotchii

And I felt so confident (famous last words!)...
This bee does have the reddish hairs posteriorly, like B. crotchii.

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