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Cybistrini is a tribe of
Cybistrini is a tribe 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 12 genera and 130 described extant species in Cybistrini. The same set is also called Cybistrinae by authors viewing it as a subfamily of Dytiscidae.
Genera
These twelve genera belong to the tribe Cybistrini: * ''Austrodytes
''Austrodytes'' is a genus of beetles 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 vir ...
'' Watts, 1978
* ''Bifurcitus
''Bifurcitus'' is a genus of beetles in the dytiscid subfamily Cybistrinae that occur in the Neotropics. The genus contains three species, two extant and one presumed extinct; they were previously classified in the genus '' Megadytes''.
* †' ...
'' Brinck, 1945
* '' Cybister'' Curtis, 1827
* ''Nilssondytes
''Nilssondytes'' is a genus of predaceous diving beetles 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. ...
'' Miller, Michat, & Ferreira Jr., 2024
* ''Megadytes
''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats in the Neotropics. The adult beetles measure about long depending on the exact species and the largest is also the l ...
'' Sharp, 1882
* ''Metaxydytes
''Metaxydytes'' is a genus of beetles in the Dytiscidae, dytiscid subfamily Cybistrinae that occur in the Neotropical realm, Neotropics. The genus contains nine species; they were previously classified in the genus ''Megadytes''.
* ''Metaxydytes ...
'' Miller, Michat, & Ferreira Jr., 2024
* ''Paramegadytes
''Paramegadytes'' is a genus of beetles in the dytiscid subfamily Cybistrinae that occur in the Neotropics. The genus contains two species that were previously classified in the genus ''Megadytes
''Megadytes'' is a genus of diving beetles in ...
'' Trémouilles & Bachmann, 1980
* '' Onychohydrus'' Schaum & White, 1847
* '' Regimbartina'' Chatanay, 1911
* '' Spencerhydrus'' Sharp, 1882
* '' Sternhydrus'' Brinck, 1945
* ''Trifurcitus
''Trifurcitus'' is a genus of beetles in the dytiscid subfamily Cybistrinae that occur in the Neotropics. The genus contains six species that were previously classified in the genus ''Megadytes
''Megadytes'' is a genus of diving beetles in t ...
'' Brinck, 1945
Unknown genus
It is unknown which genus the following Neotropical species belong to: * ?? ''costalis'' (Fabricius, 1775) * ?? ''obovatus'' (Kirby, 1826) * "''Megadytes'' species, IR57" (undescribed species, Ribera et al. 2008)References
Further reading
* * * * * *External links
* Dytiscidae Articles created by Qbugbot {{dytiscidae-stub