The aphid midge, Aphidoletes aphidimyza, is a cecidomyiid fly whose larvae are effective predators of aphids. Initially a new species was described for every different prey attacked, and at least 24 previously described species have been determined to be A. aphidimyza. This midge is an important component of biological control programs for greenhouse crops and is widely sold in the U.S.

Common Name:  Predatory midge

Scientific Name: Aphidoletes aphidimyza

Larval predatory midge feeding on a spider mite egg.