- Source: Coelostoma
Coelostoma is a genus of beetles belonging to the family Hydrophilidae. The genus was first described by Brullé in 1835. The genus has cosmopolitan distribution, with 111 described species, representing one of the most diverse genera of Hydrophilidae.
Description
Body rather convex, brown to black. Eyes are medium in size, and deeply excised internally. Antenna consists with 9 antennomeres, and loosely segmented antennal club. Mesoventrite consists with an arrow-head shaped median elevation. Metaventrite is longer than mesoventral elevation. There are strongly raised median portion in Metaventrite broadly projecting anteriorly which become abutted to mesoventral process. Elytra lacking serial punctures.
Species
Coelostoma aeneolum Régimbart, 1903
Coelostoma aethiopicum Orchymont, 1936
Coelostoma afflatum Knisch, 1922
Coelostoma alluaudi Mouchamps, 1958
Coelostoma anthracinum J.Balfour-Browne, 1939
Coelostoma assinicum Mouchamps, 1958
Coelostoma austrine Mouchamps, 1958
Coelostoma balfourbrownei M.Hansen, 1999
Coelostoma basilewskyi Mouchamps, 1958
Coelostoma bechynei J.Balfour-Browne, 1959
Coelostoma bhutanicum Jayaswal, 1972
Coelostoma bibilense Hebauer, 2000
Coelostoma bifidum Jia, Fenglong, Aston & Fikáček, 2014
Coelostoma bipunctatum Jayaswal, 1972
Coelostoma brachaurum Mouchamps, 1958
Coelostoma brownei Mouchamps, 1958
Coelostoma brunneum Mouchamps, 1958
Coelostoma bullosum Mouchamps, 1958
Coelostoma camerunense Mouchamps, 1958
Coelostoma centrale Mouchamps, 1958
Coelostoma collarti Mouchamps, 1958
Coelostoma conradsi Orchymont, 1936
Coelostoma coomani Orchymont, 1932
Coelostoma cooptatum Orchymont, 1932
Coelostoma coortum Orchymont, 1932
Coelostoma dentatum Knisch, 1924
Coelostoma deplexum J.Balfour-Browne, 1950
Coelostoma diversum Orchymont, 1932
Coelostoma dolum J.Balfour-Browne, 1950
Coelostoma ealanum Orchymont, 1941
Coelostoma edwardsi J.Balfour-Browne, 1940
Coelostoma erinna J.Balfour-Browne, 1950
Coelostoma escalerai Hernando, 1997
Coelostoma fabricii (Montrouzier, 1860)
Coelostoma fallaciosum Orchymont, 1936
Coelostoma fallacosum Orchymont, 1936
Coelostoma freudei Mouchamps, 1958
Coelostoma freyi Mouchamps, 1958
Coelostoma gentilii Jia, Fenglong, Aston & Fikáček, 2014
Coelostoma hajeki Jia, Fenglong, Aston & Fikáček, 2014
Coelostoma himalayanum Hebauer, 2002
Coelostoma hirsutum Mouchamps, 1958
Coelostoma hispanicum (Küster, 1848)
Coelostoma homalinum Hebauer, 2002
Coelostoma hongkongense Jia, Fenglong, Aston & Fikáček, 2014
Coelostoma horni (Régimbart, 1902)
Coelostoma huangi Jia, Fenglong, Aston & Fikáček, 2014
Coelostoma injuratum J.Balfour-Browne, 1952
Coelostoma insidiosum Mouchamps, 1958
Coelostoma insolitum Orchymont, 1936
Coelostoma irregulare Hebauer, 2001
Coelostoma jaechi Jia, Fenglong, Renchao Lin, Eric Chan, Skale & Fikáček, 2017
Coelostoma jeanneli Mouchamps, 1958
Coelostoma kantnerorum Hebauer, 2006
Coelostoma lamottei J.Balfour-Browne, 1958
Coelostoma lazarense Orchymont, 1925
Coelostoma lemuriense Mouchamps, 1958
Coelostoma leonense J.Balfour-Browne, 1939
Coelostoma lesnei Orchymont, 1936
Coelostoma lyratum Sheth, Ghate & Fikáček, 2020
Coelostoma marshalli J.Balfour-Browne, 1950
Coelostoma martensi Hebauer, 2002
Coelostoma medianum Hebauer, 2002
Coelostoma mocquerysi Orchymont, 1936
Coelostoma montanum Mouchamps, 1958
Coelostoma mouchampsi M.Hansen, 1999
Coelostoma neavei J.Balfour-Browne, 1950
Coelostoma nostocinum Sheth, Ghate & Fikáček, 2020
Coelostoma oceanicum Mouchamps, 1958
Coelostoma optatum J.Balfour-Browne, 1952
Coelostoma orbiculare (Fabricius, 1775)
Coelostoma orchymonti Mouchamps, 1958
Coelostoma orientale Mouchamps, 1958
Coelostoma parkeri Mouchamps, 1958
Coelostoma phalacroides Régimbart, 1903
Coelostoma phallicum Orchymont, 1940
Coelostoma picturatum Orchymont, 1936
Coelostoma protervum J.Balfour-Browne, 1959
Coelostoma proximum Mouchamps, 1958
Coelostoma punctulatum (Klug, 1833)
Coelostoma remotum Mouchamps, 1958
Coelostoma rhodesiense J.Balfour-Browne, 1950
Coelostoma rhomphea Orchymont, 1936
Coelostoma rohani Orchymont, 1931
Coelostoma rubens Hebauer, 2002
Coelostoma rubiginosum J.Balfour-Browne, 1950
Coelostoma rufitarse (Boheman, 1851)
Coelostoma rusticum Orchymont, 1936
Coelostoma rutarum Orchymont, 1936
Coelostoma salvazai Orchymont, 1919
Coelostoma segne J.Balfour-Browne, 1952
Coelostoma simulans Orchymont, 1925
Coelostoma solitarium Mouchamps, 1958
Coelostoma stultum (Walker, 1858)
Coelostoma subditum Orchymont, 1936
Coelostoma subsphaeroides (Régimbart, 1907)
Coelostoma subtile Orchymont, 1936
Coelostoma surkhetensis Hebauer, 2002
Coelostoma syriacum Orchymont, 1936
Coelostoma tangliangi Jia, Fenglong, Renchao Lin, Eric Chan, Skale & Fikáček, 2017
Coelostoma thienemanni Orchymont, 1932
Coelostoma tina Spangler & Steiner, 2003
Coelostoma togoense Hebauer, 2003
Coelostoma tortuosum J.Balfour-Browne, 1959
Coelostoma transcaspicum Reitter, 1906
Coelostoma trilobum G.Müller, 1942
Coelostoma turnai Hebauer, 2006
Coelostoma vagum Orchymont, 1940
Coelostoma vitalisi Orchymont, 1923
Coelostoma vividum Orchymont, 1936
Coelostoma waterstradti Orchymont, 1936
Coelostoma wittei J.Balfour-Browne, 1950
Coelostoma wui Orchymont, 1940
Coelostoma zumpti Orchymont, 1937