Elmidae

Elmidae

Ancyronyx schillhammeri
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Infraorder:	Elateriformia
Superfamily:	Byrrhoidea
Family:	Elmidae Curtis, 1830

Elmidae, commonly known as riffle beetles, is a family of beetles in the superfamily Byrrhoidea. It was described by Curtis in 1830.^[1]

Genera

Ancyronyx Erichson, 1847
Aesobia Jäch, 1982
Ampumixis Sanderson, 1954
Anommatelmis Spangler, 1981
Aspidelmis Delève, 1954
Atractelmis Chandler, 1954
Austrelmis Brown, 1984
Austrolimnius Carter & Zeck, 1929
Cephalolimnius Delève, 1973
Cleptelmis Sanderson, 1954
Coxelmis Carter & Zeck, 1929
Ctenelmis Delève, 1964
Cylloepus Erichson, 1847
Dubiraphia Sanderson, 1954
Dupophilus Mulsant & Rey, 1872
Elmidolia Fairmaire, 1897
Elmis Latreille, 1798
Elpidelmis Delève, 1964
Epodelmis Hinton, 1973
Esolus Mulsant & Rey, 1872
Eumicrodinodes Delève, 1965
Exolimnius Delève, 1954
Gonielmis Sanderson, 1954
Graphelmis Delève, 1968
Grouvellinus Champion, 1923
Gyrelmis Hinton, 1940
Haplelmis Delève, 1964
Hedyselmis Hinton, 1976
Helminthocharis Grouvelle, 1906
Helminthopsis Grouvelle, 1906
Heterelmis Sharp, 1882
Heterlimnius Hinton, 1935
Hexacylloepus Hinton, 1940
Hintonelmis Spangler in Patrick, 1966
Holcelmis Hinton, 1973
Huleechius Brown, 1981
Ilamelmis Delève, 1973
Jolyelmis Spangler & Faitoute, 1991
Kingolus Carter & Zeck, 1929
Lathridelmis Delève, 1965
Leielmis Delève, 1964
Lemalelmis Spangler, 1981
Leptelmis Sharp, 1888
Limnius Illiger, 1802
Lobelmis Fairmaire, 1898
Luchoelmis Spangler & Staines, 2002
Ludyella Reitter, 1899
Macrelmis Motschulsky, 1860
Macronychoides Champion, 1923
Microcylloepus Hinton, 1935
Microdinodes Grouvelle, 1906
Narpus] Casey, 1893
Neocylloepus Brown, 1970
Neoelmis Musgrave, 1935
Neolimnius Hinton, 1939
Neoriohelmis Nomura, 1958b
Nomuraelmis Satô, 1964
Normandia Pic, 1900
Notelmis Hinton, 1941
Notriolus Carter & Zeck, 1929
Ohiya Jäch, 1982
Onychelmis Hinton, 1941
Oolimnius Hinton, 1939
Optioservus Sanderson, 1954
Ordobrevia Sanderson, 1953
Oulimnius Des Gozis, 1886
Pachyelmis Fairmaire, 1898
Pagelmis Spangler, 1981
Peloriolus Delève, 1964
Phanoceroides Hinton, 1939
Pilielmis Hinton, 1971
Podelmis Hinton, 1941
Portelmis Sanderson, 1953
Promoresia Sanderson, 1954
Protelmis Grouvelle, 1911
Pseudamophilus Bollow, 1940
Pseudancyronyx Bertrand & Steffan, 1963
Pseudelmidolia Delève, 1963
Pseudomacronychus Grouvelle, 1906
Rhizelmis Chandler, 1954
Riolus Mulsant & Rey, 1872
Simsonia Carter & Zeck, 1929
Sphragidelmis Delève, 1964
Stegoelmis Hinton, 1939
Stenelmis Dufour, 1835
Stenelmoides Grouvelle, 1908
Stethelmis Hinton, 1945
Taprobanelmis Delève, 1973
Tolmerelmis Hinton, 1972
Tolriolus Hinton, 1940
Trachelminthopsis Delève, 1965
Troglelmis Jeannel, 1950
Tropidelmis Delève, 1964
Tyletelmis Hinton, 1972
Unguisaeta Jäch, 1982
Uralohelmis Roubal, 1940
Xenelmis Hinton, 1936
Xenelmoides Hinton, 1936
Macronychus Müller, 1806
Paramacronychus Nomura, 1958b
Urumaelmis Satô, 1963a
Vietelmis Delève, 1968
Zaitzevia Champion, 1923
Zaitzeviaria Nomura, 1959a
Disersus Sharp, 1882
Dryopomorphus Hinton, 1936
Hexanchorus Sharp, 1882
Hispaniolara Brown, 1981
Hydora Broun, 1882
Hydrethus Fairmaire, 1889
Lara LeConte, 1852
Microlara Jäch, 1993
Neblinagena Spangler, 1985
Omotonus Delève, 1963
Ovolara Brown, 1981
Parapotamophilus Brown, 1981
Phanocerus Sharp, 1882
Potamocares Grouvelle in Alluaud & Jeannel, 1920
Potamodytes Grouvelle, 1896
Potamogethes Delève, 1963
Potamolatres Delève, 1963
Potamophilinus Grouvelle, 1896
Potamophilus Germar, 1811
Pseudodisersus Brown, 1981
Roraima Kodada & Jäch, 1999
Stetholus Carter & Zeck, 1929

References

↑ Elmidae at insects.tamu.edu.

Extant Coleoptera families

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Subclass: Pterygota
Infraclass: Neoptera
Superorder: Endopterygota

Suborder Archostemata

Crowsoniellidae (Crowsoniella relicta) Cupedidae (reticulated beetles) Jurodidae (Sikhotealinia zhiltzovae) Micromalthidae (telephone-pole beetle) Ommatidae

Suborder Adephaga

Extant families	Amphizoidae (trout-stream beetles) Aspidytidae Carabidae (ground beetles) Dytiscidae (predaceous diving beetles) Gyrinidae (whirligig beetles) Haliplidae (crawling water beetles) Hygrobiidae Meruidae (Meru phyllisae) Noteridae (burrowing water beetles) Rhysodidae (wrinkled bark beetles) Trachypachidae (false ground beetles)

Extinct families	Colymbothetidae Coptoclavidae Liadytidae Parahygrobiidae Triaplidae

Suborder Myxophaga

Hydroscaphidae (skiff beetles) Lepiceridae Sphaeriusidae Torridincolidae

Suborder Polyphaga

Bostrichiformia

Bostrichoidea	Anobiidae (furniture beetles, death watch beetles, spider beetles) Bostrichidae (auger beetles) Dermestidae (skin beetles) Jacobsoniidae (Jacobson's beetles) Nosodendridae (wounded-tree beetles)

Derodontoidea	Derodontidae (tooth-necked fungus beetles)

Cucujiformia

Chrysomeloidea	Cerambycidae (longhorn beetles) Chrysomelidae (leaf beetles) Disteniidae Megalopodidae Orsodacnidae Oxypeltidae Vesperidae

Cleroidea	Acanthocnemidae (Acanthocnemus nigricans) Chaetosomatidae Cleridae (checkered beetles) Melyridae (soft-wing flower beetles) Phloiophilidae (Phloiophilus edwardsi) Phycosecidae Prionoceridae Trogossitidae (bark-gnawing beetles)

Cucujoidea	Alexiidae Biphyllidae (false skin beetles) Boganiidae Bothrideridae (dry bark beetles) Byturidae (fruitworm beetles) Cavognathidae Cerylonidae (minute bark beetles) Coccinellidae (lady beetles, or God's cows) Corylophidae (minute fungus beetles) Cryptophagidae (silken fungus beetles) Cucujidae (flat bark beetles) Cyclaxyridae Discolomatidae Endomychidae (handsome fungus beetles) Erotylidae (pleasing fungus beetles) Helotidae Hobartiidae Kateretidae (short-winged flower beetles) Laemophloeidae (lined flat bark beetles) Lamingtoniidae (Lamingtonium binnaberrense) Latridiidae (minute brown scavenger beetles) Monotomidae (root-eating beetles) Myraboliidae Nitidulidae (sap beetles) Passandridae (parasitic flat bark beetles) Phalacridae (shining flower beetles) Phloeostichidae Propalticidae Protocucujidae Silvanidae (silvanid flat bark beetles) Smicripidae (palmetto beetles) Sphindidae (dry-fungus beetles)

Curculionoidea (weevils)	Anthribidae (fungus weevils) Attelabidae (leaf-rolling weevils) Belidae (primitive weevils) Brentidae (straight snout weevils, New York weevil) Caridae Curculionidae (true weevils, bark beetles, ambrosia beetles) Nemonychidae (pine flower weevils)

Lymexyloidea	Lymexylidae (ship-timber beetles)

Tenebrionoidea	Aderidae (ant-like leaf beetles) Anthicidae (ant-like flower beetles) Archeocrypticidae (cryptic fungus beetles) Boridae (conifer bark beetles) Chalcodryidae Ciidae (minute tree-fungus beetles) Melandryidae (false darkling beetles) Meloidae (blister beetles) Mordellidae (tumbling flower beetles) Mycetophagidae (hairy fungus beetles) Mycteridae (palm and flower beetles) Oedemeridae (false blister beetle) Perimylopidae, or Promecheilidae Prostomidae (jugular-horned beetles) Pterogeniidae Pyrochroidae (fire-coloured beetles) Pythidae (dead log bark beetles) Ripiphoridae (wedge-shaped beetles) Salpingidae (narrow-waisted bark beetles) Scraptiidae (false flower beetles) Stenotrachelidae (false longhorn beetles) Synchroidae (synchroa bark beetles) Tenebrionidae (darkling beetles) Tetratomidae (polypore fungus beetles) Trachelostenidae Trictenotomidae Ulodidae Zopheridae (ironclad beetles, cylindrical bark beetles)

Elateriformia

Buprestoidea	Buprestidae (jewel beetles, or metallic wood-boring beetles) Schizopodidae

Byrrhoidea	Byrrhidae (pill beetles) Callirhipidae (cedar beetles) Chelonariidae (turtle beetles) Cneoglossidae Dryopidae (long-toed water beetles) Elmidae (riffle beetles) Eulichadidae (forest stream beetles) Heteroceridae (variegated mud-loving beetles) Limnichidae (minute mud beetles) Lutrochidae (travertine beetles) Psephenidae (water-penny beetles) Ptilodactylidae

Dascilloidea	Dascillidae (soft bodied plant beetles) Rhipiceridae (cicada beetle, cicada parasite beetles)

Elateroidea	Anischiidae Artematopodidae (soft-bodied plant beetles) Brachypsectridae (Texas beetles) Cantharidae (soldier beetles) Cerophytidae (rare click beetles) Drilidae Elateridae (click beetles) Eucnemidae (false click beetles) Lampyridae (fireflies) Lycidae (net-winged beetles) Omalisidae Omethidae (false fireflies) Phengodidae (glowworm beetles, long-lipped beetles) Plastoceridae (Plastocerus angulosus) Podabrocephalidae Rhagophthalmidae Rhinorhipidae (Rhinorhipus tamborinensis) Throscidae (false metallic wood-boring beetles)

Scirtoidea	Clambidae Decliniidae (Declinia relicta) Eucinetidae (plate-thigh beetles) Scirtidae

Scarabaeiformia

Scarabaeoidea

Staphyliniformia

Histeroidea	Histeridae (clown beetles) Sphaeritidae (false clown beetles) Synteliidae

Hydrophiloidea	Epimetopidae Georissidae (minute mud-loving beetles) Helophoridae Hydrochidae Hydrophilidae (water scavenger beetles) Spercheidae

Staphylinoidea	Agyrtidae (primitive carrion beetles) Hydraenidae Leiodidae (round fungus beetles) Ptiliidae (feather-winged beetles) Scydmaenidae (ant-like stone beetles) Silphidae (carrion beetles) Staphylinidae (rove beetles)

† Suborder Protocoleoptera

Ademosyndidae Labradorocoleoidae Oborocoleoidae Permocupedidae Permosynidae Taldycupedidae Tshekardocoleoidae

List of subgroups of the order Coleoptera

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