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Wasp - Fenusa

Wasp - Fenusa
Minneapolis, Hennepin County, Minnesota, USA
May 14, 2012
Size: approx. 5mm
Is this in the Sawfly family? Thanks.

Moved from Heterarthrinae.

Moved (again) in response to the size estimate revision.


Tenthredinidae, Heterarthrinae (?)
This looks like a Fenusa sp., which includes three species that usually cannot be identified from photos. The size, however, is much too large for a Fenusa, which are around 4 mm. If the size (8-10 mm) is correct, I'm not sure what it could be.

Thanks, Dave, for the info.
Thanks, Dave, for the info. I've changed the size as your statement made me look back and re-check my measurements, and found a few where I could hold a ruler near, even though they didn't like to sit very long. Approximately 5mm range is more accurate.


Sawfly, yes.
Others will tell you more.

Please fix the date here and on your other recent submissions. Thanks.

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