·add. ·- A small European sawfly (Cephus pygmaeus) whose larva does great injury to wheat by boring in the stalks.
II. Wheat sawfly ·add. ·- Pachynematus extensicornis, whose larvae feed chiefly on the blades of wheat;
— called also grass sawfly.
III. Wheat sawfly ·add. ·- Any of several small American sawflies of the genus Dolerus, as D. sericeus and D. arvensis, whose larvae injure the stems or heads of wheat.