Barretthydrus
Barretthydrus is a genus of beetles in the family Dytiscidae, first described in 1927 by Arthur [Mills Lea]. The type species is Barretthydrus geminatus.
The genus is endemic to Australia, where it is found in New [South Wales] in the drainage basins of the Murray-Darling, and in coastal drainage basins, along the east coast from Queensland to Victoria.
The genus contains the following species:
- Barretthydrus geminatus Lea, 1927
- Barretthydrus stepheni Watts, 1978
- Barretthydrus tibialis Lea, 1927