''Paroster bulbus'' is a water beetle in the Hydroporini tribe of the subfamily Hydroporinae in the

Dytiscidae The Dytiscidae, from the Ancient Greek word δυτικός (''dystikos''), meaning "able to dive", are the predaceous diving beetles, a family of water beetles. They occur in virtually any freshwater habitat around the world, but a few species l ...

family. It was first described by Chris Watts and William Humphreys in 2004 as ''Nirripirti bulbus''. It was transferred to the genus, '' Paroster'', in 2008 by Remko Leijs and Chris Watts. It is known only from the type locality in

Western Australia Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Aust ...

References

{{taxonbar, from=Q14886709 Beetles described in 2004 Taxa named by Chris H.S. Watts