Tetrachaetus Parent, 1933(unavailable)[2] Tetrachaetus is a genus of flies in the family Dolichopodidae, found in New Zealand.

The genus was originally named by Octave Parent in 1933.

However, as the genus was not designated a type species, this name was unavailable until 1989, when Daniel J. Bickel and C. E. Dyte designated Tetrachaetus bipunctatus as the type species.

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