| gallfly | (n) any of various insects that deposit their eggs in plants causing galls in which the larvae feed |
| gall midge | (n) fragile mosquito-like flies that produce galls on plants, Syn. gall gnat, gallfly |
| gall wasp | (n) small solitary wasp that produces galls on oaks and other plants, Syn. gallfly, cynipid wasp, cynipid gall wasp |
| Gallfly | n.; |