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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea (clade Anthophila) - Bees » Cuckoo, Carpenter, Digger, Bumble, and Honey Bees (Apidae) » Honey, Bumble, Longhorn, Orchid, and Digger Bees (Apinae) » Bumble Bees (Bombini) » Bumble Bees (Bombus) » Subgenus Bombus  (Bombus Subgenus Bombus ) » Western Bumble Bee (Bombus occidentalis)
Photo#563034
Bombus occidentalis? - Bombus occidentalis - male
Copyright © 2011 Diane Wilson

Bombus occidentalis? - Bombus occidentalis - Male
along Clear Creek north of Idaho Springs, Clear Creek County, Colorado, USA
August 14, 2011
Size: abt 15 mm
I hope this is a Western Bumble Bee. We found a robust population of them foraging on White Sweet Clover (Melilotus alba) next to the river. It was quite an exciting discovery as I had only observed a single individual at other locations before. For anyone who is interested, Bombus occidentalis is in decline, and sightings should be reported to the Bumble Bee Conservation folks at the Xerces Society.

Images of this individual: tag all
Bombus occidentalis? - Bombus occidentalis - male Bombus occidentalis? - Bombus occidentalis - male
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Contributed by Diane Wilson on 14 August, 2011 - 8:45pm
Last updated 15 August, 2011 - 8:23am

Moved
Moved from ID Request.
… John S. Ascher, 14 August, 2011 - 10:20pm login or register to post comments

I think so
looks like an occidentalis male
… John S. Ascher, 14 August, 2011 - 10:19pm login or register to post comments

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