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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 Pyrobombus (Bombus Subgenus Pyrobombus) » caliginosus or vosnesenskii (Bombus caliginosus or vosnesenskii)
Photo#221057
yellow-faced bumblebee - Bombus - male
Copyright © 2008 Andrew Reding

yellow-faced bumblebee - Bombus - Male
Port Townsend, Jefferson County, Washington, USA
September 2, 2008
Based on the very helpful GUIDE TO THE BOMBUS OF SAN FRANCISCO By Quinn S. McFrederick (http://online.sfsu.edu/~beeplot/pdfs/San%20Francisco%20Bombus.pdf), this is a male Bombus vosnesenskii of type b in the illustrations. Note the partial second light-colored band on the abdomen.

Images of this individual: tag all
yellow-faced bumblebee - Bombus - male yellow-faced bumblebee - Bombus - male
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Contributed by Andrew Reding on 2 September, 2008 - 5:35pm
Last updated 29 October, 2009 - 7:12pm

Moved
Moved from Subgenus Pyrobombus.
… Beatriz Moisset, 29 October, 2009 - 5:17pm login or register to post comments

Moved
Moved from Yellow-faced Bumble Bee. If John says that it can be either of two species it should be placed at subgenus level, not species level.
… Beatriz Moisset, 20 May, 2009 - 10:08am login or register to post comments

Moved
Moved from Bumble Bees.
… Andrew Reding, 27 September, 2008 - 11:13am login or register to post comments

Bombus (Pyrobombus)
caliginosus or vosnesenskii

male
… John S. Ascher, 2 September, 2008 - 9:35pm login or register to post comments

 
puzzled by this specimen
This specimen caught my eye because the abdominal yellow is not confined to T4. Note the incomplete ring of yellow pile on T5.
… Andrew Reding, 3 September, 2008 - 12:17am login or register to post comments

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