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Photo#310836
black and white wasp on Achillea

black and white wasp on Achillea
Arvada, Jefferson County, Colorado, USA
July 23, 2009
Size: abt 10-12 mm
Is this in the Potter and Mason wasp subfamily?

Images of this individual: tag all
black and white wasp on Achillea black and white wasp on Achillea black and white wasp on Achillea

Moved
Moved from ID Request. You're probably right about Eumeninae.

 
Stenodynerus?
Thanks. I did find similar images under Stenodynerus:

 
Maybe
I see the resemblence, but I don't know anything about Colorado species. Matthias Buck's comment about yellow and white markings was limited to Northeastern species (he said on a different picture).

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