Insecta , Diptera , Agromyzidae . In the case where the female has an oviscapt , this has rasps and teeth. The antennae are short and their segments unequal. Otherwise they are laid on the underside of leaves or on the leaf sheaths.
All species are phytophagous and many are monophagous .
Overwintering generally occurs in the pupal stage. The damage is rarely of any economic importance. In the presence of species which pupate in the ground, deep working of the soil after harvest is recommended. A layer of manure can reduce the incidence of damage. I mage s Agromyza spp.