Chasmogenus er en slekt av biller som hører til familien vannkjær (Hydrophilidae).
Utseende Små til middelsstore, ovale, blankt svarte vannkjær. Palpene er lange og tynne, mye lengre enn de spinkle antennene med en løs, tre-leddet klubbe.
Levevis Chasmogenus-artene lever i vegetasjonsrike ferskvann.
Systematisk inndeling
Artslisten følger Fauna Europaea Web Service 2.6.2 (2013) og Löbl, I. og Löbl, D. (red.) (2015) Hydrophiloidea - Staphylinoidea. Volume 1. Revised and updated edition. E.J. Brill, Leiden/Boston.
Ordenen biller, Coleoptera Underordenen Polyphaga Overfamilien vannkjær, Hydrophiloidea Familien vannkjær, Hydrophilidae Underfamilien Acidocerinae Zaitzev, 1908 Slekten Chasmogenus Sharp, 1882 Underslekten Crephelochares Kuwert, 1890 Chasmogenus (Crephelochares) abnormalis (Sharp, 1890) Chasmogenus (Crephelochares) africanus (d'Orchymont, 1937) Chasmogenus (Crephelochares) irianus Hebauer, 2001 Chasmogenus (Crephelochares) livornicus (Kuwert, 1890) - eneste art i Europa Chasmogenus (Crephelochares) luctuosus (d'Orchymont, 1939) Chasmogenus (Crephelochares) lycetus (d'Orchymont, 1939) Chasmogenus (Crephelochares) mauritiensis (Balfour-Browne, 1958) Chasmogenus (Crephelochares) molinai Hebauer, 1992 Chasmogenus (Crephelochares) mollis (Régimbart, 1903) Chasmogenus (Crephelochares) molluscus Hebauer, 1992 Chasmogenus (Crephelochares) nitescens (Fauvel, 1883) Chasmogenus (Crephelochares) omissus Hebauer, 1995 Chasmogenus (Crephelochares) orbus (Watanabe, 1987) Chasmogenus (Crephelochares) paramollis Hebauer, 1992 Chasmogenus (Crephelochares) patrizii (Balfour-Browne, 1957) Chasmogenus (Crephelochares) ruandanus (Balfour-Browne, 1957) Chasmogenus (Crephelochares) rubellus Hebauer, 1992 Chasmogenus (Crephelochares) rubricollis (Régimbart, 1903) Chasmogenus (Crephelochares) rudis Hebauer, 1992 Chasmogenus (Crephelochares) rusticus (d'Orchymont, 1939) Chasmogenus (Crephelochares) rutiloides (d'Orchymont, 1939) Chasmogenus (Crephelochares) rutilus (d'Orchymont, 1925) Chasmogenus (Crephelochares) szeli Hebauer, 1992 Underslekten Chasmogenus (i snever forstand) Chasmogenus (Chasmogenus) australis García, 2000 Chasmogenus (Chasmogenus) balkei Short, 2010 Chasmogenus (Chasmogenus) bariorum García, 2000 Chasmogenus (Chasmogenus) barrae Short, 2005 Chasmogenus (Chasmogenus) cattienus Hebauer, 2002 Chasmogenus (Chasmogenus) fluminensis Clarkson & Rivera, 2014 Bruno Clarkson & Nelson Ferreira jr. (2014) Four new species and first nominal record of Chasmogenus Sharp, 1882 (Coleoptera: Hydrophilidae) from Brazil. Zootaxa 3765: Chasmogenus (Chasmogenus) fragilis Sharp, 1882 Chasmogenus (Chasmogenus) itatiaia Clarkson & Rivera, 2014 Chasmogenus (Chasmogenus) lilianae Clarkson & Rivera, 2014 Chasmogenus (Chasmogenus) lorenzo Short, 2005 Chasmogenus (Chasmogenus) occidentalis García, 2000 Chasmogenus (Chasmogenus) punctulatus Short, 2010 Chasmogenus (Chasmogenus) rufinasus (Knisch, 1924) Chasmogenus (Chasmogenus) ruidus Short, 2005 Chasmogenus (Chasmogenus) sapucay Fernandez, 1986 Chasmogenus (Chasmogenus) schoedli Short, 2005 Chasmogenus (Chasmogenus) ubatuba Clarkson & Rivera, 2014 Chasmogenus (Chasmogenus) yukparum García, 2000
Referanser
Kilder Hansen, M. 1987. The Hydrophiloidea (Coleoptera) of Fennoscandia and Denmark. Fauna Entomologica Scandinavica 18. E.J. Brill/Scandinavian Science Press Ltd. Bilde av Chasmogenus abnormalis
Eksterne lenker
Kategori:Vannkjær Kategori:Dyr formelt beskrevet av David Sharp