Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Cladus: Pterygota
Cladus: Metapterygota
Cladus: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Coleopterida
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Staphyliniformia
Superfamilia: Hydrophiloidea
Familia: Hydrophilidae
Subfamilia: Hydrophilinae
Tribus: Acidocerini
Genus: Enochrus
Subgenus: Enochrus (Methydrus)
Species: E. (M.) abditus - E. (M.) aequalis - E. (M.) affinis - E. (M.) alberti - E. (M.) aliciae - E. (M.) allauaudi - E. (M.) amurensis - E. (M.) anticus - E. (M.) arcorax - E. (M.) aridus - E. (M.) atlantis - E. (M.) barituensis - E. (M.) bartletti - E. (M.) bechynei - E. (M.) blatchleyi - E. (M.) californicus - E. (M.) capucinus - E. (M.) cinctus - E. (M.) circumcinctus - E. (M.) circumductus - E. (M.) claudei - E. (M.) coarctatus - E. (M.) consors - E. (M.) consortus - E. (M.) costaricensis - E. (M.) cristatus - E. (M.) debilis - E. (M.) deserticola - E. (M.) ellipsoideus - E. (M.) elongatulus - E. (M.) esuriens - E. (M.) eubenangeei - E. (M.) excisus - E. (M.) eyrensis - E. (M.) fijiensis - E. (M.) fimbriatus - E. (M.) fittkaui - E. (M.) flavicans - E. (M.) fosteri - E. (M.) fragilis - E. (M.) frieseri - E. (M.) fretus - E. (M.) furculus - E. (M.) gaggermeieri - E. (M.) grossi - E. (M.) guarani - E. (M.) haroldi - E. (M.) hesperidum - E. (M.) icterus - E. (M.) interruptus - E. (M.) isabellae - E. (M.) ituriensis - E. (M.) japonicus - E. (M.) lampros - E. (M.) latus - E. (M.) leileri - E. (M.) liberianus - E. (M.) loebli - E. (M.) lorenzi - E. (M.) lucens - E. (M.) maculiceps - E. (M.) malabarensis - E. (M.) mauritiensis - ?E. (M.) meineli - E. (M.) melanthus - E. (M.) melinus - E. (M.) meracus - E. (M.) mergus - E. (M.) merops - E. (M.) mesopotamiae - E. (M.) metacarina - E. (M.) minusculus - E. (M.) misionensis - E. (M.) morenae - E. (M.) natalensis - E. (M.) negrus - E. (M.) nigerianus - E. (M.) nigritus - E. (M.) nigropiceus - E. (M.) nitiduloides - E. (M.) nitidulus - E. (M.) nitidus - E. (M.) obscurus - E. (M.) obsoletus - E. (M.) ochraceus - E. (M.) oviformis - E. (M.) pallidus - E. (M.) paraensis - E. (M.) pendleburyi - E. (M.) perssoni - E. (M.) petersenae - E. (M.) picinus - E. (M.) pileti - E. (M.) pseudochraceus - E. (M.) pseudoweiri - E. (M.) puetzi - E. (M.) punctipalpis - E. (M.) pygmaeus - E. (M.) ragusae - E. (M.) regimbarti - E. (M.) rivalis - E. (M.) robustus - E. (M.) rocchii - E. (M.) rubidus - E. (M.) rubrocinctus - E. (M.) rufulus - E. (M.) rutilus - E. (M.) samae - E. (M.) satomii - E. (M.) sauteri - E. (M.) sayi - E. (M.) schawalleri - E. (M.) sharpi - E. (M.) shepardi - E. (M.) spangleri - E. (M.) sublongus - E. (M.) tetraspilus - E. (M.) torito - E. (M.) toro - E. (M.) tritus - E. (M.) tropicus - E. (M.) uellensis - E. (M.) uniformis - E. (M.) venezuelensis - E. (M.) vulgaris - E. (M.) waterhousei - E. (M.) weiri - E. (M.) wollastoni
[source: Hansen (1999), Hebauer (2001, 2002, 2003), Fernández (2006), Short (2003, 2004, 2005, 2010), Jia & Wang (2010), Short & Fikáček (2011)]
Name
Methydrus Rey, 1885
Type species: Hydrophilus affinis Thunberg, 1794
Fixation: subsequent designation by d'Orchymont (1939: 375)
Synonyms
Agraphilydrus Kuwert, 1888
Type species: Hydrophilus affinis Thunberg, 1794
Fixation: subsequent designation by Hansen (1991: 294)
Gemelus García, 2000
Authority for current placement: Short & Fikáček, 2011: 86 ('syn. nov.')
References
Byttebier, B.; Torres, P.L.M. 2009: Description of the preimaginal stages of Enochrus (Hugoscottia) variegatus (Steinheil, 1869) and E. (Methydrus) vulgaris (Steinheil, 1869) (Coleoptera: Hydrophilidae), with emphasis on larval morphometry and chaetotaxy. Zootaxa, 2139: 1-22. Abstract & excerpt
Fernández, L.A. 2006: Two new species of Enochrus Thomson (Coleoptera, Hydrophilidae) from the neotropical region. Transactions of the American Entomological Society, 132(3-4): 279-284. doi: 10.3157/0002-8320(2006)132[279:TNSOET]2.0.CO;2
Hansen, M. 1991: The hydrophilid beetles: phylogeny, classification and a revision of the genera (Coleoptera, Hydrophiloidea). Biologiske skrifter, 40 ISSN: 0366-3612 ISBN 87-7304-226-9 Google books
Hansen, M. 1999: Hydrophiloidea (s. str.) (Coleoptera). World catalogue of insects, 2. Stenstrup: Apollo Books. ISBN 87-88757-31-5 ISSN: 1398-8700
Hebauer, F. 2001: Taxonomic studies on the hydrophilid genus Enochrus Thomson, 1859. Part 2: the African species of the subgenus Methydrus Rey, 1885. A: the Enochrus meracus group. (Coleoptera, Hydrophilidae). Beiträge zur Entomologie, 51(2): 375-391. ISSN: 0005-805X PDF
Hebauer, F. 2002: [Taxonomic studies on the Hydrophilidae genus Enochrus Thomson, 1859. - Part 3: the African species of the subgenus Methydrus Rey, 1885. B. The Enochrus natalensis group (Coleoptera, Hydrophilidae).] Beiträge zur Entomologie, 52(1): 255-269. ISSN: 0005-805X
Hebauer, F. 2003: Taxonomic studies on the hydrophilid genus Enochrus Thomson, 1859. - Part 5: The African species of the subgenus Methydrus Rey, 1885. D: The Enochrus picinus group (Coleoptera, Hydrophilidae). Beiträge zur Entomologie, 53(2): 317-340. ISSN: 0005-805X
Jia, F.; Wang, Y. 2010: A revision of the species of Enochrus (Coleoptera: Hydrophilidae) from China. Oriental insects, 44: 361-385. abstract only seen
Rey 1885: Ann. Soc. linn. Lyon., (2) 31, 1884, 253.
Short, A.E.Z. 2003: Enochrus (Methydrus) grossi sp. n. from the southeastern United States (Coleoptera: Hydrophilidae). Transactions of the American Entomological Society, 129(3-4): 539-542. JSTOR PDF
Short, A.E.Z. 2004: Review of the Enochrus Thomson of the West Indies (Coleoptera: Hydrophilidae). Koleopterologische rundschau, 74: 351-361. PDF
Short, A.E.Z. 2005: A review of the subtribe Acidocerina of Central America with special reference to Costa Rica (Coleoptera: Hydrophilidae). Koleopterologische rundschau, 75: 191-226. PDF
Short, A.E.Z. 2010: Hydrophilidae: Review of the subtribe Acidocerina of the Southwest Pacific islands (Coleoptera). Pp. 297-318 in: Jäch, M.A. & Balke, M. (eds.): Water beetles of New Caledonia (part 1). Monographs on Coleoptera, 3. ISSN: 1027-8869
links
ION search for Methydrus
Nomenclator Zoologicus search for Methydrus
Australian Faunal Directory