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Photo#1849876
Sawfly on fern - Aneugmenus flavipes

Sawfly on fern - Aneugmenus flavipes
Prairie Haven, Buffalo County, Wisconsin, USA
July 6, 2020
Tenthredinidae? Found on Marsh Fern (Thelypteris palustris).

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Sawfly on fern - Aneugmenus flavipes Sawfly on fern - Aneugmenus flavipes Sawfly on fern - Aneugmenus flavipes

Moved
Moved from Selandriinae.

It does, thanks!

 
Thanks
again!

Misidentified fern?
Marsh fern should have entire pinnules.

 
You're right -
sorry! I'll go back and see if I can figure out what those ferns are. It's too late this year.

 
Charley...
I checked and I'm pretty sure these are Lady Ferns - Athyrium filix-femina.

 
Thanks!
I think this might be Aneugmenus flavipes, but I'm not totally sure. There should be a pair of small dorsal lobes immediately behind the head that I'm not seeing distinctly, but it could be the angle.

 
I don't know if it helps,
but I added one more photo - more detail of the head area.

Moved

Selandriinae
Such uniformly colored larvae are both in Aneugmenini and Strongylogastrini

Moved