A fly of the family Cecidomyiidae, commonly called a gall midge; a small insect whose larvae induce the formation of plant galls.
From Cecidomyiidae with -id suffix meaning 'member of'; the family name likely comes from Greek words relating to gall and midge.
Some cecidomyiid species have been accidentally transported around the world in plant shipments and became invasive pests, while others are beneficial insects that scientists use to control unwanted plant species.
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