Larva of aphid midge, Aphidoletes aphidimyza, feeding on an aphid.

Larva eating melon aphid?, Aphis gossypii (Aphididae), UCD Botany greenhouse insectary culture (6x) Credit: Jack Kelly Clark
Larva of aphid midge, Aphidoletes aphidimyza, feeding on an aphid. Credit: Jack Kelly Clark