(1):
Pachynematus extensicornis, whose larvae feed chiefly on the blades of wheat; - called also grass sawfly.
(2):
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.
(3):
A small European sawfly (Cephus pygmaeus) whose larva does great injury to wheat by boring in the stalks.