gall
131Gall-inducing insect — A gall inducing insect is any insect that can cause the growth of gall within plants. The term gall fly is also used to cover these species, although most are not true flies.There are several groups of insects that meet this description. They… …
132gall fly — ▪ insect any of several different species of insects that cause swelling (galls) in the tissues of the plants they feed on. This group includes gall midges and certain fruit flies (order Diptera), gall wasps (order Hymenoptera), some aphids …
