Imma is a large genus of moths in the obtectomeran "micromoth" family Immidae. This is the type genus of its family. They are widespread in the tropics, with most species occurring between the Himalayas and the Oceanian region; the genus is furthermore plentiful in the Neotropics, but not very diverse in the Afrotropics.
Opostega is a genus of moths of the family Opostegidae with 49 listed species.
Sagalassa is a genus of moths in the family Brachodidae.
Imma ancistrota is a moth in the family Immidae. It was described by Edward Meyrick in 1912. It is found on New Guinea.
Imma paratma is a moth in the family Immidae. It was described by Edward Meyrick in 1912. It is found in Guyana.
Imma phthorosema is a moth in the family Immidae. It was described by Edward Meyrick in 1912. It is found in Colombia.
Imma tetrascia is a moth in the family Immidae. It was described by Edward Meyrick in 1912. It is found in Australia, where it has been recorded from Queensland and Western Australia.
Imma vaticina is a moth in the family Immidae. It was described by Edward Meyrick in 1912. It is found in Australia, where it has been recorded from Queensland.
Imma tetrope is a moth in the family Immidae. It was described by Alexey Diakonoff in 1978. It is found in Nepal.