Cybistrini

Cybistrini is a tribe of predaceous diving beetles in the family Dytiscidae. There are 12 genera and 130 described extant species in Cybistrini.^{[1][2][3][4][5]} The same set is also called Cybistrinae by authors viewing it as a subfamily of Dytiscidae.^[6][4]

Cybistrini
Cybister fimbriolatus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Adephaga
Family:	Dytiscidae
Subfamily:	Cybistrinae
Tribe:	Cybistrini Sharp, 1880

Cybister tripunctatus

Cybister brevis

Genera

These twelve genera belong to the tribe Cybistrini:

• Austrodytes Watts, 1978
• Bifurcitus Brinck, 1945
• Cybister Curtis, 1827
• Nilssondytes Miller, Michat, & Ferreira Jr., 2024
• Megadytes Sharp, 1882
• Metaxydytes Miller, Michat, & Ferreira Jr., 2024
• Paramegadytes Trémouilles & Bachmann, 1980
• Onychohydrus Schaum & White, 1847
• Regimbartina Chatanay, 1911
• Spencerhydrus Sharp, 1882
• Sternhydrus Brinck, 1945
• Trifurcitus Brinck, 1945

Unknown genus

It is unknown which genus the following Neotropical species belong to:^[5]

• ?? costalis (Fabricius, 1775)
• ?? obovatus (Kirby, 1826)
• "Megadytes species, IR57" (undescribed species, Ribera et al. 2008)