The Cecidomyiinae, commonly known as gall midges or gall gnats, is the largest subfamily in Cecidomyiidae with over 600 genera and more than 5000 described species. This subfamily is best known for its members that induce galls on plants, but there are also many species that are fungivores, parasitoids, or predators as maggots.
The Lasiopteridi is a supertribe of flies from the family Cecidomyiidae. They are often called gall midges or gall gnats.
Contarinia is a genus of midges, small flies in the family Cecidomyiidae. There are over 300 described species in the genus.
Schizomyia is a genus of gall midges. It has a cosmopolitan distribution.
Rabdophaga marginemtorquens is a gall midge which forms galls on willows and is found in Europe. It was described by Johann Jacob Bremi-Wolf in 1847.
Cecidomyiini is a tribe of gall midges in the family Cecidomyiidae. There are at least 220 described species in Cecidomyiini.
Asphondylia is a cosmopolitan genus of gall midges in the family Cecidomyiidae. All species in this genus induce galls on plants, especially on flowers and flower buds. There are over 300 described species in Asphondylia, with many more likely to be discovered and described, especially in the southern hemisphere.
Oligotrophini is a tribe of gall midges, insects in the family Cecidomyiidae. There are at least 300 described species in Oligotrophini.
Polystepha is a genus of gall midges in the family Cecidomyiidae. There are more than 20 described species in Polystepha.
Macrodiplosis is a genus of gall midges, insects in the family Cecidomyiidae. There are about 19 described species in Macrodiplosis.
Asteromyia is a genus of gall midges in the family Cecidomyiidae. There are about nine described species in Asteromyia.
Cystiphora is a genus of gall midges in the family Cecidomyiidae. There are about seven described species in Cystiphora.
Resseliella is a genus of gall midges in the family Cecidomyiidae. There are at least 50 described species in Resseliella.
Janetiella is a genus of gall midges in the family Cecidomyiidae. There are at least thirty described species.
Harmandiola is a genus of flies belonging to the family Cecidomyiidae. The 14 described species are found in the Holarctic region. They induces galls on Populus, Castanea, and Carya.
