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For Insects, Spiders & Their Kin
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Photo#275090
Wasp or Bee? - Pristiphora rufipes

Wasp or Bee? - Pristiphora rufipes
Springfield, Calhoun County, Michigan, USA
April 28, 2009
I saw a bunch of these small wasps or bees hanging around columbine plants for several days. What are they? Is there any connection between these and the larva that I'm getting ready to post?

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Wasp or Bee? - Pristiphora rufipes Wasp or Bee? - Pristiphora rufipes

pretty sure now!
Moved from Tenthredininae.

could be Pristophora aquilegiae
[the Columbine Sawfly]
wait for an expert, though