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Elm sawfly

Cimbex americana


The largest North American sawfly. Curls up when at rest or threatened.


Found this in a wetland feeding on Salix amygdaloides. I tried giving it Salix nigra but it wouldn't take. It will eat Salix discolor however.


The elm sawfly over winters as pupae and have only one generation per year, so I will have to wait until next year to see the adult.

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Spotted by

Albany, USA

Lat: 42.65, Long: -73.75

Spotted on Jul 31, 2013
Submitted on Aug 2, 2013

Spotted for Mission

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