Sawfly

elm sawfly larva. Photo credit: Herbert A. Pase III

Photo credit: Herbert A. Pase III

elm sawfly adult. Photo credit: Herbert A. Pase III

Photo credit: Herbert A. Pase III

Sawfly

Scientific name:
(Hymenoptera: Cimbicidae, Diprionidae or Tenthredinidae)

Facts: Sawflies are in the Hymenoptera suborder Symphyta. Most of the Hymenoptera we encouter are in the suborder Apocrita. One can tell the difference between adult sawflies and most other Hymenopterans by the fact that sawflies have a very broad connection between the abdomen and thorax, whereas most other Hymenoptera have a very narrow connection that looks like a narrow waist. The larvae look very much like caterpillars, and this is uncommon in the Hymenoptera. Sawflies occasionally become quite numerous and can cause significant damage to forests and horticultural plants.

Elm sawfly is pictured in the photos.

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