Tanytarsus is a large genus of non-biting midges of the tribe Tanytarsini and subfamily Chironominae of the bloodworm family (Chironomidae). The larvae of these insects occur in a wide range of freshwater habitats with some species being marine.

In older literature the name Tanytarsus was used for some members of tribe Chironomini related to the genus Phaenopsectra.

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