''Meridiorhantus'' is a genus of

predaceous diving beetle 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 li ...

s in the family

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 ...

. There are about five described species in ''Meridiorhantus'', found in the

Neotropics The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In biogeog ...

and North America. These species were formerly members of the genus ''

Rhantus ''Rhantus'' is a genus of beetle in family Dytiscidae. There are about 100 species distributed worldwide. They often live in pools and marshy habitat types.Alarie, Y., et al. (2009)Larval morphology of ''Rhantus'' Dejean, 1833 (Coleoptera: Dytisc ...

'', but were moved to ''Meridiorhantus'' when it was created by Balke et al. in 2017.

Species

These five species belong to the genus ''Meridiorhantus'': * '' Meridiorhantus antarcticus'' (Germain, 1854) * '' Meridiorhantus calidus'' (Fabricius, 1792) * '' Meridiorhantus limbatus'' (Aubé, 1838) * †'' Meridiorhantus orbignyi'' (Balke, 1992) * '' Meridiorhantus validus'' (Sharp, 1882)

References

Dytiscidae Dytiscidae genera {{dytiscidae-stub