Dytiscinae on:
[Wikipedia]
[Google]
[Amazon]
Dytiscinae is a subfamily of predaceous diving beetles in the family 
Dytiscidae
The Dytiscidae – based on the Greek ''dytikos'' (δυτικός), "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 live ...
. There are at least 20 genera and 380 described species in Dytiscinae.Bilton DT, Ribera I (2017). "A revision of Meladema diving beetles (Coleoptera, Dytiscidae), with the description of a new species from the central Mediterranean based on molecules and morphology". ''ZooKeys 702'': 45-112.Bousquet Y (2012). "Catalogue of Geadephaga (Coleoptera: Adephaga) of America, north of Mexico". ''ZooKeys 245'': 1-1722.
Genera
References
* D.J. Larson, Y. Alarie, and R.E. Roughley. (2001). ''Predaceous Diving Beetles (Coleoptera: Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska''. NRC 43253. * Lawrence, J. F., and A. F. Newton Jr. / Pakaluk, James, and Stanislaw Adam Slipinski, eds. (1995). "Families and subfamilies of Coleoptera (with selected genera, notes, references and data on family-group names)". ''Biology, Phylogeny, and Classification of Coleoptera: Papers Celebrating the 80th Birthday of Roy A. Crowson'', vol. 2, 779–1006. * Nilsson, Anders N. (2001). ''World Catalogue of Insects, volume 3: Dytiscidae (Coleoptera)'', 395.Further reading
* Arnett, R. H. Jr., and M. C. Thomas. (eds.). (21 December 2000) ''American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia''. CRC Press LLC, Boca Raton, Florida. * * Richard E. White. (1983). ''Peterson Field Guides: Beetles''. Houghton Mifflin Company. Dytiscidae {{dytiscidae-stub