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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 sans Anthophila – Apoid Wasps » Square-headed Wasps, Sand Wasps, and Allies (Crabronidae) » Square-headed Wasps (Crabroninae) » Trypoxylini » Trypoxylon » Subgenus Trypargilum (Trypoxylon Subgenus Trypargilum)
Photo#1032421
Trypoxylon with red abdominal band on rock - Trypoxylon
Copyright © 2015 Lynn Monroe

Trypoxylon with red abdominal band on rock - Trypoxylon
6 miles NW Lyons, Boulder County, Colorado, USA
August 15, 2011
This trypoxylon wasp has a red abdominal band. In years past we have seen this wasp emerge from a bee trap. Is it possible to get it to species? Any help is much appreciated.
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Contributed by Lynn Monroe on 11 January, 2015 - 5:07pm
Last updated 2 February, 2015 - 7:50am

Moved
Moved from Trypoxylon.
… John S. Ascher, 2 February, 2015 - 7:50am login or register to post comments

 
Trypoxylon subgenus Trypargilum
Thanks so much for this ID. When I check out Krombein et al, I see that this subgenus, which was previously a genus, and a few species in genus Pison are the only wasps in which males are known to assist in some of the nesting activities. How intriguing!
… Lynn Monroe, 2 February, 2015 - 10:09am login or register to post comments

Moved for expert attention
Moved from ID Request.
… Ken Wolgemuth, 11 January, 2015 - 5:09pm login or register to post comments

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