These 152 genera belong to the family

Elmidae Elmidae, commonly known as riffle beetles, is a family of beetles in the superfamily Byrrhoidea described by John Curtis in 1830. Both adults and larvae are usually aquatic, living under rocks in fast-flowing shallow areas of streams, such as ...

, riffle beetles. There are at least 1,500 described species in Elmidae.

Elmidae genera

* '' Aesobia'' Jäch, 1982 * '' Amazonopsis'' Barr, 2018 * '' Ampumixis'' Sanderson, 1954 * '' Amrishelmis'' Makhan, 2007 * '' Ancyronyx'' Erichson, 1847 * '' Anommatelmis'' Spangler, 1981 * '' Aspidelmis'' Delève, 1954 * '' Atractelmis'' Chandler, 1954 * '' Aulacosolus'' Jäch & Boukal, 1997 * '' Austrelmis'' Brown, 1984 * '' Austrolimnius'' Carter & Zeck, 1929 * '' Bryelmis'' Barr, 2011 * '' Cephalolimnius'' Delève, 1973 * '' Cleptelmis'' Sanderson, 1954 * '' Coxelmis'' Carter & Zeck, 1929 * '' Ctenelmis'' Delève, 1964 * '' Cuspidevia'' Jäch & Boukal, 1995 * '' Cylloepus'' Erichson, 1847 * '' Disersus'' Sharp, 1882 * '' Dryopomorphus'' Hamilton, 1936 * '' Dubiraphia'' Sanderson, 1954 * '' Dupophilus'' Mulsant & Rey, 1872 * '' Elachistelmis'' Maier, 2012 * '' Elmidolia'' Fairmaire, 1879 * '' Elmis'' Latreille, 1802 * '' Elpidelmis'' Delève, 1964 * '' Elpidemis'' Delève, 1964 * '' Eonychius'' Jäch & Boukal, 1996 * '' Epodelmis'' Hinton, 1973 * '' Esolus'' Mulsant & Rey, 1872 * '' Eumicrodinodes'' Delève, 1965 * '' Exolimnius'' Delève, 1954 * '' Gonielmis'' Sanderson, 1954 * '' Graphelmis'' Delève, 1968 * '' Graphosolus'' Jäch & Kodada, 1996 * '' Grouvellinus'' Champion, 1923 * '' Gyrelmis'' Hinton, 1940 * '' Haraldaria'' Jäch & Boukal, 1996 * '' Hedyselmis'' Hinton, 1976 * '' Helminthocharis'' Grouvelle, 1906 * '' Helminthopsis'' Grouvelle, 1906 * '' Heterelmis'' Sharp, 1882 * '' Heterlimnius'' Hinton, 1935 * '' Hexacylloepus'' Hinton, 1940 * '' Hexanchorus'' Sharp, 1882 * '' Hintonelmis'' Spangler, 1966 * '' Hispaniolara'' Brown, 1981 * '' Holcelmis'' Hinton, 1973 * '' Homalosolus'' Jäch & Kodada, 1996 * '' Huleechius'' Brown, 1981 * '' Hydora'' Broun, 1882 * '' Hydrethus'' Fairmaire, 1889 * '' Hypsilara'' Maier & Spangler, 2011 * '' Ilamelmis'' Delève, 1973 * '' Indosolus'' Bollow, 1940 * '' Jaechomorphus'' Kodada, 1993 * '' Jilanzhunychus'' Jäch & Boukal, 1995 * '' Jolyelmis'' Spangler & Faitoute, 1991 * '' Kingolus'' Carter & Zeck, 1929 * '' Laorina'' Jäch, 1997 * ''

Lara Lara may refer to: People * Lara (name), can be a given name or a surname in several languages * Lara (mythology), a naiad nymph, daughter of the river Almo in Ovid's ''Fasti'' Places *Lara (state), a state in Venezuela * Electoral district ...

'' LeConte, 1852 * '' Lathridelmis'' Delève, 1965 * '' Leielmis'' Delève, 1964 * '' Lemalelmis'' Spangler, 1981 * '' Leptelmis'' Sharp, 1888 * '' Limnius'' Illiger, 1802 * '' Lobelmis'' Fairmaire, 1898 * '' Loxostirus'' Jäch & Kodada, 1996 * '' Luchoelmis'' Spangler & Staines, 2004 * '' Ludyella'' Reitter, 1899 * '' Macrelmis'' Motschulsky, 1859 * '' Macronevia'' Jäch & Boukal, 1996 * '' Macronychoides'' Champion, 1923 * '' Macronychus'' Mueller, 1806 * '' Microcylloepus'' Hinton, 1935 * '' Microdinodes'' Grouvelle, 1906 * '' Microlara'' Jäch, 1993 * '' Narpus'' Casey, 1893 * '' Neblinagena'' Spangler, 1985 * '' Neocylloepus'' Brown, 1970 * ''

Neoelmis ''Neoelmis'' is a genus of riffle beetles in the family Elmidae. There are more than 50 described species in ''Neoelmis''. Species These 51 species belong to the genus ''Neoelmis'': * ''Neoelmis abdominalis'' Hinton, 1939 * ''Neoelmis alcine'' ...

'' Musgrave, 1935 * '' Neolimnius'' Hinton, 1939 * '' Neoriohelmis'' Nomura, 1958 * '' Nesonychus'' Jäch & Boukal, 1997 * '' Nomuraelmis'' Satô, 1964 * ''

Normandia ''Normandia'' is a monotypic genus of flowering plants in the family Rubiaceae. It was described by Joseph Dalton Hooker in 1872. The genus contains only one species, ''Normandia neocaledonica'', which is endemic to New Caledonia. The genus is r ...

'' Pic, 1900 * '' Notelmis'' Hinton, 1941 * '' Notriolus'' Carter & Zeck, 1929 * ''

Ohiya Ohiya () is a rural village located in Badulla District of Uva Province, Sri Lanka. It is located approximately southeast of Colombo. Ohiya is in the Welimada Divisional Secretariat Division and the Grama Niladhari Division number is 62A. It i ...

'' Jäch, 1982 * '' Okalia'' Kodada & Ciampor, 2003 * '' Omotonus'' Delève, 1963 * '' Onychelmis'' Hinton, 1941 * '' Oolimnius'' Hinton, 1939 * '' Optioservus'' Sanderson, 1954 * '' Ordobrevia'' Sanderson, 1953 * '' Orientelmis'' Shepard, 1998 * '' Oulimnius'' des Gozis, 1886 * '' Ovolara'' Brown, 1981 * '' Pachyelmis'' Fairmaire, 1898 * '' Pagelmis'' Spangler, 1981 * '' Paramacronychus'' Nomura, 1958 * '' Parapotamophilus'' Brown, 1981 * '' Peloriolus'' Delève, 1964 * '' Phanoceroides'' Hinton, 1939 * '' Phanocerus'' Sharp, 1882 * '' Pharceonus'' Spangler & Santiago-Fragoso, 1992 * '' Pilielmis'' Hinton, 1971 * '' Podelmis'' Hinton, 1941 * '' Podonychus'' Jäch & Kodada, 1997 * '' Portelmis'' Sanderson, 1953 * '' Potamocares'' Grouvelle, 1920 * '' Potamodytes'' Grouvelle, 1896 * '' Potamogethes'' Delève, 1963 * '' Potamolatres'' Delève, 1963 * '' Potamophilinus'' Grouvelle, 1896 * '' Potamophilops'' Grouvelle, 1896 * '' Potamophilus'' Germar, 1811 * '' Prionosolus'' Jäch & Kodada, 1997 * '' Pseudamophilus'' Bollow, 1940 * '' Pseudancyronyx'' Bertrand & Steffan, 1963 * '' Pseudelmidolia'' Delève, 1963 * '' Pseudodisersus'' Brown, 1981 * '' Pseudomacronychus'' Grouvelle, 1906 * '' Rhizelmis'' Chandler, 1954 * '' Rhopalonychus'' Jäch & Kodada, 1996 * '' Riolus'' Mulsant & Rey, 1872 * ''

Roraima Roraima ( ) is one of the 26 states of Brazil. Located in the country's North Region, it is the northernmost and most geographically and logistically isolated state in Brazil. It is bordered by the state of Pará to the southeast, Amazonas t ...

'' Kodada & Jäch, 1999 * '' Rudielmis'' Jäch & Boukal, 1995 * '' Simsonia'' Carter & Zeck, 1929 * '' Sinelmis'' Satô & Kishimoto, 2001 * '' Sinonychus'' Jäch & Boukal, 1995 * '' Sphragidelmis'' Delève, 1964 * '' Stegoelmis'' Hinton, 1939 * '' Stenelmis'' Dufour, 1835 * '' Stenhelmoides'' Grouvelle, 1908 * '' Stethelmis'' Hinton, 1945 * '' Stetholus'' Carter & Zeck, 1929 * '' Taprobanelmis'' Delève, 1973 * '' Tolmerelmis'' Hinton, 1972 * '' Tolriolus'' Hinton, 1940 * '' Trachelminthopsis'' Delève, 1965 * '' Tropidelmis'' Delève, 1964 * '' Tyletelmis'' Hinton, 1972 * '' Typhloelmis'' Barr in Barr, Gibson & Diaz, 2015 * '' Unguisaeta'' Jäch, 1982 * '' Urumaelmis'' Satô, 1963 * '' Vietelmis'' Delève, 1968 * '' Xenelmis'' Hinton, 1936 * '' Xenelmoides'' Hinton, 1936 * ''

Zaitzevia ''Zaitzevia'' is a genus of riffle beetles in the family Elmidae. There are about 19 described species in ''Zaitzevia''. The genus is named after the Russian entomologist Filipp Zaitsev (:ru:Зайцев, Филипп Адамович, ru). Tax ...

'' Champion, 1923 * '' Zaitzeviaria'' Nomura, 1959 * † '' Cretohypsilara'' Cai & al., 2018

References

{{Reflist, refs= {{Cite web, title=Elmidae Report , url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=114093 , website=Integrated Taxonomic Information System , accessdate=2019-06-22 {{Cite web, title=Elmidae , url=https://www.gbif.org/species/7826 , website=GBIF , accessdate=2019-06-22 {{Cite web, title= Family Elmidae information , url=https://bugguide.net/node/view/25587 , website=BugGuide.net , accessdate=2019-06-22 *