Enochrus tritus

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Enochrus tritus, body length about 4.6 mm
Taxonavigation: Hydrophiloidea 

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Staphyliniformia
Superfamilia: Hydrophiloidea

Familia: Hydrophilidae
Subfamilia: Hydrophilinae
Tribus: Acidocerini
Genus: Enochrus
Subgenus: Methydrus
Species: Enochrus tritus


  • Enochrus tritus (Broun, 1880)
    • Original combination: Philhydrus tritus
    • Placement in Methydrus: Short, 2010: 312 ('This species is here transferred from the subgenus Lumetus ZAITZEV to Methydrus based on presence of a distinct apicomedial emargination on the fifth ventrite') [Hansen (1999: 196) listed it as ? = sg. Methydrus]



  • Broun, T. 1880: Manual of the New Zealand Coleoptera. Colonial Museum and Geological Survey Department, Wellington. Internet Archive BHL BUGZ
  • Emberson, R.M. 1998: The beetle (Coleoptera) fauna of the Chatham Islands. New Zealand entomologist, 21: 25–64.
  • Hansen, M. 1999: Hydrophiloidea (s. str.) (Coleoptera). World catalogue of insects, 2 . Stenstrup: Apollo Books. ISBN 87-88757-31-5 ISSN: 1398-8700
  • Kuschel, G. 1990: Beetles in a suburban environment: a New Zealand case study. DSIR Plant Protection report, (3 ) ISSN: 0114-8818 ISBN 0-477-02596-X PDF
  • Macfarlane, R.P. et al. 2010: [Chapter] NINE Phylum ARTHROPODA SUBPHYLUM HEXAPODA Protura, springtails, Diplura, and insects. Pp. 233-467 in Gordon, D.P. (ed.): New Zealand inventory of biodiversity. Volume 2. Kingdom Animalia. Chaetognatha, Ecdysozoa, ichnofossils. Canterbury University Press, Christchurch, New Zealand. ISBN 978-1-87725793-3 [p. 412, as Enochrus (Lumetus) tritus (Broun, 1880)]
  • Orchymont, A. d' 1927: Hydrophilidae. Pp. 29-34 in Insects of Samoa, and other Samoan Terrestrial Arthropoda. London: British Museum (Natural History) Vol. 4 (Coleoptera) [19/Dec/1927]
  • Orchymont, A. d' 1937: Check list of the Palpicornia of Oceania (Coleoptera, Polyphaga). Occasional papers of the Bernice P. Bishop Museum, 13 (13): 147–160. PDF
  • Ordish, R.G. 1976: Water beetles of the Kermadec Islands (Dytiscidae and Hydrophilidae). New Zealand entomologist, 6 (2): 155–156. 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
  • Winterbourn, M.J. 1970: The Hydrophilidae (Coleoptera) of New Zealand’s thermal waters. Transactions of the Royal Society of New Zealand (biological sciences), 12: 21–28. BUGZ
  • Winterbourn, M.J.; Gregson, K.L.D.; Dolphin, C.H. 2006: Guide to the aquatic insects of New Zealand. Fourth edition. Bulletin of the Entomological Society of New Zealand, (14 ) ISBN 978-0-9597663-7-0 ISBN 0-9597663-7-5