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Photo#1417408
Bombus on Musk Thistle at Chautauqua - Bombus nevadensis - male

Bombus on Musk Thistle at Chautauqua - Bombus nevadensis - Male
Boulder, Boulder County, Colorado, USA
July 23, 2017
Size: About 22-24 mm
This Bombus was seen on the prairie at Chautauqua at about 6000' elevation. Very large bulgy eyes, so a male. Red tip on abdomen. A long dark bank across the thorax. I have more images. Any help is much appreciated.

Images of this individual: tag all
Bombus on Musk Thistle at Chautauqua - Bombus nevadensis - male Bombus on Musk Thistle at Chautauqua - Bombus nevadensis - male Bombus on Musk Thistle at Chautauqua - Bombus nevadensis - male Bombus on Musk Thistle at Chautauqua - Bombus nevadensis - male

Moved
Moved from Bumble Bees.

 
B. nevadensis
Thanks so much for this ID of this bumble bee. IT is much appreciated.

nevadensis?
need to rule out rufocinctus

 
nevadensis?
B. nevadensis males seems to be the only males with bulgy eyes and a red tail. B. rufocinctus males do not seem to have a red tail. I have never seen a B. nevadensis with such an extensive alar band. I looked through all the BugGuide images this morning and only two females (one of them a subspecies nevadensis) had an actual band rather then a large "dot." Just an unusual individual?

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