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Any of numerous small flies of the family Cecidomyiidae, whose larvae cause the formation of galls in plants.
(Animals) any of various small fragile mosquito-like dipterous flies constituting the widely distributed family Cecidomyidae, many of which have larvae that produce galls on plants. Also called: gallfly or gall gnat See also Hessian fly
any midge of the family Cecidomyiidae, the larvae of which form characteristic galls on plants.
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|Noun||1.||gall midge - fragile mosquito-like flies that produce galls on plants|
dipteran, dipteron, dipterous insect, two-winged insects - insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing