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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) » Tricolored Bumble Bee (Bombus ternarius)
Photo#1216289
Bumbler...Hunt's?? - Bombus ternarius
Copyright © 2016 John van der Linden

Bumbler...Hunt's?? - Bombus ternarius
Malanaphy Springs State Preserve, Winneshiek County, Iowa, USA
April 24, 2016
Found in a rich woods. First thought B. ternarius but this bee clearly has a yellow face (seems clear even though the photo is poor quality). Yes these photos are atrocious...all I had was my flip phone's camera, and fellow hiker Eric and his wife kindly made a valiant effort with her smart phone but its battery was too low. Abdominal pattern is as follows:
T1 yellow
T2&3 orange
T4 yellow
T5&6 black
Best match I can find is B. huntii but that doesn't seem to be recorded this far east. Please help as you are able!

Images of this individual: tag all
Bumbler...Hunt's?? - Bombus ternarius Bumbler...Hunt's?? - Bombus ternarius Bumbler...Hunt's?? - Bombus ternarius
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Contributed by John van der Linden on 28 April, 2016 - 10:40am
Last updated 24 December, 2016 - 12:54pm

Moved
Moved from Subgenus Pyrobombus.
… John S. Ascher, 1 May, 2016 - 5:16am login or register to post comments

I think it must be a ternarius queen
They can have some pale hairs on the face:
http://bugguide.net/node/view/1150186/bgimage
… John S. Ascher, 1 May, 2016 - 5:15am login or register to post comments

 
Thanks very much, John
That would explain its behavior: it was flying around near to the ground, not visiting flowers, but instead landing, crawling down into the leaf litter for a few moments, then coming out, flying a few feet, then alighting and entering the leaf litter again...looking for a suitable nest hole, I suppose!
… John van der Linden, 7 May, 2016 - 1:20pm login or register to post comments

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