Hydraena

Hydraena
Hydraena alticola
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Infraorder:	Staphyliniformia
Family:	Hydraenidae
Genus:	Hydraena Kugelann, 1794
Diversity
at least 920 species

Hydraena is a genus of minute moss beetles in the family Hydraenidae. There are more than 990 described species in Hydraena. ^{[1] [2] [3]}

Hydraena wolfi

Systematics

There are at least 924 species in the genus Hydraena: ^[4]

• Hydraena abbasigili Jäch, 1988 ^{i c g}
• Hydraena abdita Orchymont, 1948 ^{i c g}
• Hydraena abyssinica Régimbart, 1905 ^{i c g}
• Hydraena accurata Orchymont, 1948 ^{i c g}
• Hydraena achaica Jäch, 1995 ^{i c g}
• Hydraena acumena Perkins, 2011 ^{i c g}
• Hydraena adelbertensis Perkins, 2011 ^{i c g}
• Hydraena adrastea Orchymont, 1948 ^{i c g}
• Hydraena aethaliensis Breit, 1917 ^{i c g}
• Hydraena affirmata Perkins, 2007 ^{i c g}
• Hydraena affusa Orchymont, 1936 ^{i c g}
• Hydraena africana Kuwert, 1888 ^{i c g}
• Hydraena akameku Perkins, 2011 ^{i c g}
• Hydraena akbesiana Audisio, De Biase and Jäch, 1993 ^{i c g}
• Hydraena albai Sáinz-Cantero, 1993 ^{i c g}
• Hydraena alberti Balfour-Browne, 1950 ^{i c g}
• Hydraena alcantarana Ienistea, 1985 ^{i c g}
• Hydraena algerina Kaddouri, 1992 ^{i c g}
• Hydraena alia Orchymont, 1934 ^{i c g}
• Hydraena aliciae Jäch and Díaz, 2005 ^{i c g}
• Hydraena allomorpha Lagar and Fresneda, 1990 ^{i c g}
• Hydraena alluaudi Régimbart, 1906 ^{i c g}
• Hydraena alpicola Pretner, 1931 ^{i c g}
• Hydraena altamirensis Díaz Pazos and Garrido Gonzalez, 1993 ^{i c g}
• Hydraena altapapua Perkins, 2011 ^{i c g}
• Hydraena alternata Perkins, 1980 ^{i c g}
• Hydraena alterra Perkins, 1980 ^{i c g}
• Hydraena alticola Skale and Jäch, 2008 ^{i c g}
• Hydraena altiphila Perkins, 2011 ^{i c g}
• Hydraena amazonica Perkins, 2011 ^{i c g}
• Hydraena ambiflagellata Zwick, 1977 ^{i c g}
• Hydraena ambigua Ganglbauer, 1901 ^{i c g}
• Hydraena ambiosina Perkins, 2007 ^{i c g}
• Hydraena ambra Perkins, 2011 ^{i c g}
• Hydraena ambripes Perkins, 2011 ^{i c g}
• Hydraena ambroides Perkins, 2011 ^{i c g}
• Hydraena americana Jäch, 1993 ^{i c g}
• Hydraena amidensis Jäch, 1988 ^{i c g}
• Hydraena ampla Perkins, 2011 ^{i c g}
• Hydraena anaphora Perkins, 1980 ^{i c g}
• Hydraena anatolica Janssens, 1963 ^{i c}
• Hydraena ancylis Perkins, 1980 ^{i c g}
• Hydraena ancyrae Jäch, 1992 ^{i c g}
• Hydraena andalusa Lagar and Fresneda, 1990 ^{i c g}
• Hydraena andreinii Orchymont, 1934 ^{i c g}
• Hydraena angulicollis Notman, 1921 ^{i c g b}
• Hydraena angulosa Mulsant, 1844 ^{i c g}
• Hydraena angustata Sturm, 1836 ^{i c g}
• Hydraena anisonycha Perkins, 1980 ^{i c g}
• Hydraena antaria Perkins, 2007 ^{i c g}
• Hydraena antiatlantica Jäch, Aguilera and Hernando, 1998 ^{i c g}
• Hydraena antiochena Jäch, 1988 ^{i c g}
• Hydraena apertista Perkins, 2011 ^{i c g}
• Hydraena apexa Perkins, 2011 ^{i c g}
• Hydraena appalachicola Perkins, 1980 ^{i c g}
• Hydraena appetita Perkins, 2007 ^{i c g}
• Hydraena aquila Perkins, 2011 ^{i c g}
• Hydraena arabica Balfour-Browne, 1951 ^{i c g}
• Hydraena arachthi Ferro and Jäch, 2000 ^{i c g}
• Hydraena arcta Perkins, 2007 ^{i c g}
• Hydraena arenicola Perkins, 1980 ^{i c g}
• Hydraena argutipes Perkins, 1980 ^{i c g}
• Hydraena ariana Janssens, 1962 ^{i c g}
• Hydraena arizonica Perkins, 1980 ^{i c g}
• Hydraena armata Reitter, 1880 ^{i c g}
• Hydraena armatura Perkins, 2014 ^{i c g}
• Hydraena armeniaca Janssens, 1968 ^{i c g}
• Hydraena armipalpis Jäch and Díaz, 2000 ^{i c g}
• Hydraena armipes Rey, 1886 ^{i c g}
• Hydraena aroensis (Ferro, 1991) ^{i c g}
• Hydraena arunensis Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena ascensa Perkins, 2007 ^{i c g}
• Hydraena assimilis Rey, 1885 ^{i c g}
• Hydraena ateneo Freitag, 2013 ^{i c g}
• Hydraena athertonica Perkins, 2007 ^{i c g}
• Hydraena atrata Desbrochers des Loges, 1891 ^{i c g}
• Hydraena atroscintilla Perkins, 2011 ^{i c g}
• Hydraena attaleiae Ferro, 1984 ^{i c g}
• Hydraena audisioi Jäch, 1992 ^{i c g}
• Hydraena aulaarta Perkins, 2011 ^{i c g}
• Hydraena aurita Jäch, 1988 ^{i c g}
• Hydraena australica Zwick, 1977 ^{i c g}
• Hydraena australula Perkins, 2007 ^{i c g}
• Hydraena austrobesa Perkins, 2011 ^{i c g}
• Hydraena avuncula Jäch, 1988 ^{i c g}
• Hydraena bacchusi Perkins, 2011 ^{i c g}
• Hydraena bactriana Janssens, 1962 ^{i c g}
• Hydraena bakriensis Skale and Jäch, 2011 ^{i c g}
• Hydraena balearica Orchymont, 1930 ^{i c g}
• Hydraena balfourbrownei Bameul, 1986 ^{i c g}
• Hydraena balkei Perkins, 2011 ^{i c g}
• Hydraena balli Orchymont, 1940 ^{i c g}
• Hydraena barbipes Zwick, 1977 ^{i c g}
• Hydraena barricula Perkins, 1980 ^{i c g}
• Hydraena barrosi Orchymont, 1934 ^{i c g}
• Hydraena bedeli Berthélemy, 1992 ^{i c g}
• Hydraena belgica Orchymont, 1930 ^{i c g}
• Hydraena beniensis Perkins, 2011 ^{i c g}
• Hydraena benjaminus Jäch and Díaz, 2006 ^{i c g}
• Hydraena bensae Ganglbauer, 1901 ^{i c g}
• Hydraena bergeri (Janssens, 1972) ^{i c g}
• Hydraena berthelemyana Jäch, Díaz and Dia in Jäch, Dia and Díaz, 2006 ^{i c g}
• Hydraena berytus Jäch, 1986 ^{i c g}
• Hydraena beyarslani Jäch, 1988 ^{i c g}
• Hydraena bicarina Perkins, 2014 ^{i c g}
• Hydraena bicarinova Perkins, 2011 ^{i c g}
• Hydraena bicolorata Jäch, 1997 ^{i c g}
• Hydraena bicuspidata Ganglbauer, 1901 ^{i c g}
• Hydraena bidefensa Perkins, 2007 ^{i c g}
• Hydraena bifunda Perkins, 2011 ^{i c g}
• Hydraena bihamata Champion, 1920 ^{i c g}
• Hydraena biimpressa Perkins, 2007 ^{i c g}
• Hydraena billi Zwick, 1977 ^{i c g}
• Hydraena bilobata Jäch and Díaz, 1998 ^{i c g}
• Hydraena biltoni Jäch and Díaz, 2012 ^{i c g}
• Hydraena bimagua Jäch, 1986 ^{i c g}
• Hydraena birendra Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena biseptosa Perkins, 2014 ^{i c g}
• Hydraena bispinosa Pu, 1951 ^{i c g}
• Hydraena bisulcata Rey, 1884 ^{i c g}
• Hydraena bitruncata Orchymont, 1934 ^{i c g}
• Hydraena bituberculata Perkins, 1980 ^{i c g}
• Hydraena biundulata Perkins, 2011 ^{i c g}
• Hydraena blackburni Zaitzev, 1908 ^{i c g}
• Hydraena bodemeyeri Jäch and Díaz, 2001 ^{i c g}
• Hydraena boetcheri Orchymont, 1932 ^{i c g}
• Hydraena bolivari Orchymont, 1936 ^{i c g}
• Hydraena boliviana Perkins, 2011 ^{i c g}
• Hydraena bononiensis Binaghi, 1960 ^{i c g}
• Hydraena borbonica Fairmaire, 1898 ^{i c g}
• Hydraena bosnica Apfelbeck, 1909 ^{i c g}
• Hydraena brachymera Orchymont, 1936 ^{i c g}
• Hydraena bractea Perkins, 1980 ^{i c g}
• Hydraena bractoides Perkins, 1980 ^{i c g}
• Hydraena brahmin Perkins, 2011 ^{i c g}
• Hydraena breedlovei Perkins, 1980 ^{i c g}
• Hydraena brevis Sharp, 1882 ^{i c g}
• Hydraena britteni Joy, 1907 ^{i c g}
• Hydraena brittoni Zwick, 1977 ^{i c g}
• Hydraena bromleyae Jäch, 1986 ^{i c g}
• Hydraena browni Perkins, 1980 ^{i c g}
• Hydraena bubulla Perkins, 2011 ^{i c g}
• Hydraena bulgarica Breit, 1916 ^{i c g}
• Hydraena buloba Perkins, 2011 ^{i c g}
• Hydraena buquintana Perkins, 2011 ^{i c g}
• Hydraena buschietanni Freitag, 2021 ^{i c g}
• Hydraena buscintilla Perkins, 2011 ^{i c g}
• Hydraena busuanga Freitag and Jäch, 2007 ^{i c g}
• Hydraena calcarifera Janssens, 1959 ^{i c g}
• Hydraena californica Perkins, 1980 ^{i c g}
• Hydraena campbelli Perkins, 1980 ^{i c g}
• Hydraena canakcioglui Janssens, 1965 ^{i c g}
• Hydraena canticacollis Perkins, 1980 ^{i c g}
• Hydraena capacis Perkins, 2007 ^{i c g}
• Hydraena capensis Perkins, 2014 ^{i c g}
• Hydraena capetribensis Perkins, 2007 ^{i c g}
• Hydraena cappadocica Jäch, 1988 ^{i c g}
• Hydraena caprivica Perkins, 2014 ^{i c g}
• Hydraena capta Orchymont, 1936 ^{i c g}
• Hydraena carbonaria Kiesenwetter, 1849 ^{i c g}
• Hydraena carica Jäch, 1988 ^{i c g}
• Hydraena carinocisiva Perkins, 2011 ^{i c g}
• Hydraena carinulata Rey, 1886 ^{i c g}
• Hydraena carmellita Perkins, 2011 ^{i c g}
• Hydraena carniolica Pretner, 1970 ^{i c g}
• Hydraena castanea Deane, 1937 ^{i c g}
• Hydraena castanescens Freitag and Jäch, 2007 ^{i c g}
• Hydraena cata Orchymont, 1936 ^{i c g}
• Hydraena catalonica Fresneda, Aguilera and Hernando, 1994 ^{i c g}
• Hydraena catherinae Bameul and Jäch, 2001 ^{i c g}
• Hydraena caucasica Kuwert, 1888 ^{i c g}
• Hydraena cavifrons Perkins, 2011 ^{i c g}
• Hydraena cephalleniaca Jäch, 1985 ^{i c g}
• Hydraena cervisophila Jäch, 1992 ^{i c g}
• Hydraena challeti Perkins, 2011 ^{i c g}
• Hydraena cheesmanae Perkins, 2011 ^{i c g}
• Hydraena chenae Pu, 1951 ^{i c g}
• Hydraena chersonesica Jäch, Díaz and Przewozny, 2007 ^{i c g}
• Hydraena cherylbarrae Perkins, 2011 ^{i c g}
• Hydraena chiapa Perkins, 1980 ^{i c g}
• Hydraena chiesai Janssens, 1965 ^{i c g}
• Hydraena chifengi Jäch and Díaz, 1999 ^{i c g}
• Hydraena chobauti Guillebeau, 1896 ^{i c g}
• Hydraena christinae Audisio, De Biase and Jäch, 1996 ^{i c g}
• Hydraena christoferi Jäch and Díaz, 2005 ^{i c g}
• Hydraena ciliciensis Jäch, 1988 ^{i c g}
• Hydraena circulata Perkins, 1980 ^{i c g b}
• Hydraena cirrata Champion, 1920 ^{i c g}
• Hydraena clarinis Perkins, 2011 ^{i c g}
• Hydraena claudia Freitag and Jäch, 2007 ^{i c g}
• Hydraena clavicula Perkins, 2014 ^{i c g}
• Hydraena clavigera Zwick, 1977 ^{i c g}
• Hydraena clemens Jäch and Díaz, 2006 ^{i c g}
• Hydraena clinodorsa Perkins, 2011 ^{i c g}
• Hydraena clystera Perkins, 2011 ^{i c g}
• Hydraena cochabamba Perkins, 2011 ^{i c g}
• Hydraena colchica Janssens, 1963 ^{i c g}
• Hydraena colombiana Perkins, 1980 ^{i c g}
• Hydraena colorata Perkins, 2011 ^{i c g}
• Hydraena colymba Perkins, 1980 ^{i c g}
• Hydraena compressipilis Jäch and Díaz, 1998 ^{i c g}
• Hydraena concepcionica Perkins, 2011 ^{i c g}
• Hydraena concinna Orchymont, 1932 ^{i c g}
• Hydraena confluenta Perkins, 2011 ^{i c g}
• Hydraena confusa Pu, 1951 ^{i c g}
• Hydraena connexa Orchymont, 1932 ^{i c g}
• Hydraena converga Perkins, 2007 ^{i c g}
• Hydraena coomani Orchymont, 1932 ^{i c g}
• Hydraena cooperi Balfour-Browne, 1954 ^{i c g}
• Hydraena cooperoides Perkins, 2014 ^{i c g}
• Hydraena copulata Perkins, 2011 ^{i c g}
• Hydraena cordata Schaufuss, 1883 ^{i c g}
• Hydraena cordiformis Jäch and Díaz, 2000 ^{i c g}
• Hydraena cordispina Perkins, 2011 ^{i c g}
• Hydraena corinna Orchymont, 1936 ^{i c g}
• Hydraena cornelli Jäch and Díaz, 1998 ^{i c g}
• Hydraena corrugis Orchymont, 1934 ^{i c g}
• Hydraena coryleti Jäch, 1992 ^{i c g}
• Hydraena costiniceps Perkins, 1980 ^{i c g}
• Hydraena crepidoptera Jäch, 1992 ^{i c g}
• Hydraena cristatigena Jäch and Díaz, 2000 ^{i c g}
• Hydraena croatica Kuwert, 1888 ^{i c g}
• Hydraena cryptostoma Jäch, 1992 ^{i c g}
• Hydraena crystallina Perkins, 1980 ^{i c g}
• Hydraena cubista Perkins, 2007 ^{i c g}
• Hydraena cultrata Perkins, 2007 ^{i c g}
• Hydraena cunicula Perkins, 2011 ^{i c g}
• Hydraena cunninghamensis Perkins, 2007 ^{i c g}
• Hydraena curta Kiesenwetter, 1849 ^{i c g}
• Hydraena curtipalpis Jäch and Díaz, 1998 ^{i c g}
• Hydraena curvipes Jäch and Díaz, 2012 ^{i c g}
• Hydraena curvosa Perkins, 2011 ^{i c g}
• Hydraena cuspidicollis Perkins, 1980 ^{i c g}
• Hydraena cyclops Jäch and Díaz, 2000 ^{i c g}
• Hydraena cygnus Zwick, 1977 ^{i c g}
• Hydraena czernohorskyi Müller, 1911 ^{i c g}
• Hydraena dalmatina Ganglbauer, 1901 ^{i c g}
• Hydraena damascena Pic, 1910 ^{i c g}
• Hydraena dariensis Perkins, 2011 ^{i c g}
• Hydraena darwini Perkins, 2007 ^{i c g}
• Hydraena d-concava Perkins, 2011 ^{i c g}
• Hydraena d-destina Perkins, 1980 ^{i c g}
• Hydraena debeckeri (Janssens, 1972) ^{i c g}
• Hydraena decepta Perkins, 2011 ^{i c g}
• Hydraena decipiens Zwick, 1977 ^{i c g}
• Hydraena decolor Sainte-Claire Deville, 1903 ^{i c g}
• Hydraena decui Spangler, 1980 ^{i c g}
• Hydraena delia Balfour-Browne, 1978 ^{i c g}
• Hydraena deliquesca Perkins, 2007 ^{i c g}
• Hydraena delvasi Delgado and Collantes, 1996 ^{i c g}
• Hydraena densa Fauvel, 1883 ^{i c g}
• Hydraena dentipalpis Reitter, 1888 ^{i c g}
• Hydraena dentipes Germar, 1824 ^{i c g}
• Hydraena devillei Ganglbauer, 1901 ^{i c g}
• Hydraena devincta Orchymont, 1940 ^{i c g}
• Hydraena diadema Perkins, 2011 ^{i c g}
• Hydraena diazi Trizzino, Jäch and Ribera in Trizzino, Jäch, Audisio and Rivera, 2011 ^{i c g}
• Hydraena diffusa Perkins, 2011 ^{i c g}
• Hydraena dilutipes Fairmaire, 1898 ^{i c g}
• Hydraena dimorpha Orchymont, 1922 ^{i c g}
• Hydraena dinarica Freitag & de Vries, 2021 ^{i c g}
• Hydraena dinosaurophila Jäch, 1994 ^{i c g}
• Hydraena discicollis Fairmaire, 1898 ^{i c g}
• Hydraena discreta Ganglbauer, 1904 ^{i c g}
• Hydraena disparamera Perkins, 2007 ^{i c g}
• Hydraena dochula Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena dolichogaster Janssens, 1965 ^{i c g}
• Hydraena dorrigoensis Perkins, 2007 ^{i c g}
• Hydraena draconisaurati Jäch and Díaz, 2005 ^{i c g}
• Hydraena dudgeoni Perkins, 2011 ^{i c g}
• Hydraena duodecimata Perkins, 2014 ^{i c g}
• Hydraena duohamata Perkins, 2011 ^{i c g}
• Hydraena ebriimadli Jäch, 1988 ^{i c g}
• Hydraena ecuadormica Perkins, 2011 ^{i c g}
• Hydraena egoni Jäch, 1986 ^{i c g}
• Hydraena eichleri Orchymont, 1937 ^{i c g}
• Hydraena einsteini Perkins, 2011 ^{i c g}
• Hydraena elephanta Perkins, 2014 ^{i c g}
• Hydraena elisabethae Jäch, 1992 ^{i c g}
• Hydraena eliya Jäch, 1982 ^{i c g}
• Hydraena emarginata Rey, 1885 ^{i c g}
• Hydraena emineae Jäch and Kasapoglu, 2006 ^{i c g}
• Hydraena epeirosi Ferro, 1985 ^{i c g}
• Hydraena errina Orchymont, 1948 ^{i c g}
• Hydraena erythraea Régimbart, 1905 ^{i c g}
• Hydraena eryx Orchymont, 1948 ^{i c g}
• Hydraena esquinita Brojer and Jäch, 2011 ^{i c g}
• Hydraena essentia Perkins, 2011 ^{i c g}
• Hydraena eucnemis Janssens, 1970 ^{i c g}
• Hydraena evanescens Rey, 1884 ^{i c g}
• Hydraena evansi Balfour-Browne, 1945 ^{i c g}
• Hydraena exarata Kiesenwetter, 1866 ^{i c g}
• Hydraena exasperata Orchymont, 1935 ^{i c g}
• Hydraena excisa Kiesenwetter, 1849 ^{i c g}
• Hydraena exhalista Perkins, 2011 ^{i c g}
• Hydraena exilipes Perkins, 1980 ^{i c g}
• Hydraena expedita Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena explanata Pic, 1905 ^{i c g}
• Hydraena extorris Zwick, 1977 ^{i c g}
• Hydraena falcata Jäch, 1992 ^{i c g}
• Hydraena farsensis Skale and Jäch, 2011 ^{i c g}
• Hydraena fasciata Perkins, 2011 ^{i c g}
• Hydraena fascinata Perkins, 2011 ^{i c g}
• Hydraena fasciola Perkins, 2011 ^{i c g}
• Hydraena fasciolata Perkins, 2011 ^{i c g}
• Hydraena fasciopaca Perkins, 2011 ^{i c g}
• Hydraena favulosa Perkins, 2014 ^{i c g}
• Hydraena fenestella Perkins, 2011 ^{i c g}
• Hydraena ferethula Perkins, 2007 ^{i c g}
• Hydraena feryi Skale and Jäch, 2011 ^{i c g}
• Hydraena feuerborni Orchymont, 1932 ^{i c g}
• Hydraena fijiensis Balfour-Browne, 1945 ^{i c g}
• Hydraena filum Sahlberg, 1908 ^{i c g}
• Hydraena finita Orchymont, 1943 ^{i c g}
• Hydraena finki Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena finniganensis Perkins, 2007 ^{i c g}
• Hydraena fiorii Porta, 1899 ^{i c g}
• Hydraena fischeri Schönmann, 1991 ^{i c g}
• Hydraena flagella Perkins, 2011 ^{i c g}
• Hydraena fluvicola (Perkins, 1980) ^{i c g}
• Hydraena foliobba Perkins, 2011 ^{i c g}
• Hydraena fontana Orchymont, 1932 ^{i c g}
• Hydraena fontiscarsavii (Jäch, 1988) ^{i c g}
• Hydraena formosapala Perkins, 2011 ^{i c g}
• Hydraena formula Orchymont, 1932 ^{i c g}
• Hydraena forticollis Perkins, 2007 ^{i c g}
• Hydraena fosterorum Trizzino, Jäch and Ribera in Trizzino, Jäch, Audisio and Rivera, 2011 ^{i c g}
• Hydraena franklyni Deler-Hernández and Delgado, 2012 ^{i c g}
• Hydraena freitagi Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena frenzeli Skale and Jäch, 2008 ^{i c g}
• Hydraena fritzi Jäch, 1992 ^{i c g}
• Hydraena frondsicola (Perkins, 1980) ^{i c g}
• Hydraena funda Perkins, 2011 ^{i c g}
• Hydraena fundacta Perkins, 2011 ^{i c g}
• Hydraena fundaequalis Perkins, 2007 ^{i c g}
• Hydraena fundapta Perkins, 2011 ^{i c g}
• Hydraena fundarca Perkins, 2011 ^{i c g}
• Hydraena fundata Perkins, 2007 ^{i c g}
• Hydraena fundextra Perkins, 2011 ^{i c g}
• Hydraena furthi Jäch, 1982 ^{i c g}
• Hydraena gaditana Lagar and Fresneda, 1990 ^{i c g}
• Hydraena galatica Janssens, 1970 ^{i c g}
• Hydraena galea Perkins, 2011 ^{i c g}
• Hydraena gavarrensis Jäch, Díaz and Martinoy, 2005 ^{i c g}
• Hydraena geminya Perkins, 1980 ^{i c g}
• Hydraena genumorpha Perkins, 2014 ^{i c g}
• Hydraena georgiadesi Orchymont, 1931 ^{i c g}
• Hydraena geraldneuhauseri Jäch and Díaz, 2006 ^{i c g}
• Hydraena germaini Orchymont, 1923 ^{i c g}
• Hydraena glassmani Jäch, 1986 ^{i c g}
• Hydraena gnatella Orchymont, 1945 ^{i c g}
• Hydraena gnatelloides Orchymont, 1945 ^{i c g}
• Hydraena gracilidelphis Trizzino, Valladares, Garrido and Audisio, 2012 ^{i c g}
• Hydraena gracilis Germar, 1824 ^{i c g}
• Hydraena graciloides (Jäch, 1988) ^{i c g}
• Hydraena grandis Reitter, 1885 ^{i c g}
• Hydraena graphica Orchymont, 1931 ^{i c g}
• Hydraena grata Orchymont, 1944 ^{i c g}
• Hydraena gregalis Orchymont, 1944 ^{i c g}
• Hydraena gressa Orchymont, 1944 ^{i c g}
• Hydraena griphus Orchymont, 1944 ^{i c g}
• Hydraena grouvellei Orchymont, 1923 ^{i c g}
• Hydraena grueberi Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena guadelupensis Orchymont, 1923 ^{i c g}
• Hydraena guangxiensis Jäch and Díaz, 2005 ^{i c g}
• Hydraena guatemala Perkins, 1980 ^{i c g}
• Hydraena guentheri Jäch, 1992 ^{i c g}
• Hydraena guilin Jäch and Díaz, 2005 ^{i c g}
• Hydraena gynaephila Jäch, 1997 ^{i c g}
• Hydraena habitiva Perkins, 2014 ^{i c g}
• Hydraena hainzi Jäch, 1988 ^{i c g}
• Hydraena haitensis Perkins, 1980 ^{i c g}
• Hydraena hajeki Skale and Jäch, 2011 ^{i c g}
• Hydraena hamifera Zwick, 1977 ^{i c g}
• Hydraena hansreuteri Jäch and Díaz, 2005 ^{i c g}
• Hydraena hayashii Jäch and Díaz, 2012 ^{i c g}
• Hydraena helena Orchymont, 1929 ^{i c g}
• Hydraena hendrichi Jäch, Díaz and Skale, 2013 ^{i c g}
• Hydraena hernandoi Fresneda and Lagar, 1990 ^{i c g}
• Hydraena herzogestella Perkins, 2011 ^{i c g}
• Hydraena heterogyna Bedel, 1898 ^{i c g}
• Hydraena hiekei Jäch, 1992 ^{i c g}
• Hydraena hillaryi Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena hintoni Perkins, 2011 ^{i c g}
• Hydraena hispanica Ganglbauer, 1901 ^{i c g}
• Hydraena holdhausi Pretner, 1929 ^{i c g}
• Hydraena hornabrooki Perkins, 2011 ^{i c g}
• Hydraena hortensis Jäch and Díaz, 2000 ^{i c g}
• Hydraena hosiwergi Freitag and Jäch, 2007 ^{i c g}
• Hydraena hosseinieorum Bilton and Jäch, 1998 ^{i c g}
• Hydraena huangshanensis Jäch and Díaz, 2005 ^{i c g}
• Hydraena huitongensis Jäch and Díaz, 2005 ^{i c g}
• Hydraena humanica Perkins, 2014 ^{i c g}
• Hydraena hunanensis Pu, 1951 ^{i c g}
• Hydraena hungarica Rey, 1884 ^{i c g}
• Hydraena huonica Perkins, 2011 ^{i c g}
• Hydraena hyalina Perkins, 1980 ^{i c g}
• Hydraena hynesi Zwick, 1977 ^{i c g}
• Hydraena hypipamee Perkins, 2007 ^{i c g}
• Hydraena ibalimi Perkins, 2011 ^{i c g}
• Hydraena iberica Orchymont, 1936 ^{i c g}
• Hydraena idema Perkins, 2011 ^{i c g}
• Hydraena iheya Jäch and Díaz, 1999 ^{i c g}
• Hydraena ilamensis Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena ilica Jäch, 1994 ^{i c g}
• Hydraena imbria Jäch and Díaz, 2001 ^{i c g}
• Hydraena impala Perkins, 2011 ^{i c g}
• Hydraena imperatrix Kniz, 1919 ^{i c g}
• Hydraena impercepta Zwick, 1977 ^{i c g}
• Hydraena impressicollis Fairmaire, 1898 ^{i c g}
• Hydraena inancala Perkins, 2007 ^{i c g}
• Hydraena inapicipalpis Pic, 1918 ^{i c g}
• Hydraena incisiva Perkins, 2011 ^{i c g}
• Hydraena incista Perkins, 2011 ^{i c g}
• Hydraena incurva Orchymont, 1932 ^{i c g}
• Hydraena indiana Jäch, 1994 ^{i c g}
• Hydraena indica Orchymont, 1920 ^{i c g}
• Hydraena infoveola Perkins, 2011 ^{i c g}
• Hydraena ingens (Perkins, 1980) ^{i c g}
• Hydraena inhalista Perkins, 2011 ^{i c g}
• Hydraena injectiva Perkins, 2014 ^{i c g}
• Hydraena innuda Perkins, 2007 ^{i c g}
• Hydraena inopinata Jäch and Díaz, 1998 ^{i c g}
• Hydraena inplacopaca Perkins, 2011 ^{i c g}
• Hydraena insandalia Perkins, 2011 ^{i c g}
• Hydraena insita Orchymont, 1932 ^{i c g}
• Hydraena insolita Orchymont, 1932 ^{i c g}
• Hydraena insularis Orchymont, 1945 ^{i c g}
• Hydraena integra Pretner, 1931 ^{i c g}
• Hydraena intensa Perkins, 2011 ^{i c g}
• Hydraena intermedia Rosenhauer, 1847 ^{i c g}
• Hydraena intraangulata Perkins, 2007 ^{i c g}
• Hydraena inusta Orchymont, 1932 ^{i c g}
• Hydraena invicta Perkins, 2007 ^{i c g}
• Hydraena iriomotensis Jäch and Díaz, 1999 ^{i c g}
• Hydraena isabelae Castro and Herrera, 2001 ^{i c g}
• Hydraena isolinae Jäch and Díaz, 1998 ^{i c g}
• Hydraena ispirensis Kasapoglu, Jäch and Skale, 2010 ^{i c g}
• Hydraena iterata Orchymont, 1948 ^{i c g}
• Hydraena jacobsoni Orchymont, 1932 ^{i c g}
• Hydraena jaechiana (Audisio and De Biase, 1990) ^{i c g}
• Hydraena jaegeri Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena jailensis Breit, 1917 ^{i c g}
• Hydraena janczyki Jäch, 1992 ^{i c g}
• Hydraena janeceki Jäch, 1987 ^{i c g}
• Hydraena janssensi Nilsson, 2001 ^{i c g}
• Hydraena jengi Jäch and Díaz, 1998 ^{i c g}
• Hydraena jilanzhui Jäch and Díaz, 2005 ^{i c g}
• Hydraena jivaro Perkins, 1980 ^{i c g}
• Hydraena johncoltranei Perkins, 2011 ^{i c g}
• Hydraena jubilata Perkins, 2011 ^{i c g}
• Hydraena kadowakii Jäch and Díaz, 2012 ^{i c g}
• Hydraena kakadu Perkins, 2007 ^{i c g}
• Hydraena kamitei Jäch and Díaz, 2012 ^{i c g}
• Hydraena karinkukolae Jäch, 1989 ^{i c g}
• Hydraena karmai Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena kasyi Jäch, 1992 ^{i c g}
• Hydraena kaufmanni Ganglbauer, 1901 ^{i c g}
• Hydraena kellymilleri Perkins, 2011 ^{i c g}
• Hydraena khnzoriani Janssens, 1968 ^{i c g}
• Hydraena kilimandjarensis Régimbart, 1906 ^{i c g}
• Hydraena kitayamai Jäch and Díaz, 2012 ^{i c g}
• Hydraena knischi Orchymont, 1928 ^{i c g}
• Hydraena kocheri Berthélemy, 1992 ^{i c g}
• Hydraena kodadai Freitag and Jäch, 2007 ^{i c g}
• Hydraena koje Perkins, 2011 ^{i c g}
• Hydraena koma Perkins, 2011 ^{i c g}
• Hydraena krasnodarensis Jäch and Díaz, 2006 ^{i c g}
• Hydraena kroumiriana Kaddouri, 1992 ^{i c g}
• Hydraena kucinici Micetic Stankovic and Jäch, 2012 ^{i c g}
• Hydraena kuehnelti Jäch, 1989 ^{i c g}
• Hydraena kurdistanica Jäch, 1988 ^{i c g}
• Hydraena kwangsiensis Pu, 1951 ^{i c g}
• Hydraena labropaca Perkins, 2011 ^{i c g}
• Hydraena lagamba Brojer and Jäch, 2011 ^{i c g}
• Hydraena lapidicola Kiesenwetter, 1849 ^{i c g}
• Hydraena lapissectilis Jäch, 1992 ^{i c g}
• Hydraena larissae Jäch and Díaz, 2000 ^{i c g}
• Hydraena larsoni Perkins, 2007 ^{i c g}
• Hydraena lascrucensis Brojer and Jäch, 2011 ^{i c g}
• Hydraena lassulipes Perkins, 2011 ^{i c g}
• Hydraena latebricola Jäch, 1986 ^{i c g}
• Hydraena latisoror Perkins, 2007 ^{i c g}
• Hydraena lazica Janssens, 1963 ^{i c g}
• Hydraena leechi Perkins, 1980 ^{i c g}
• Hydraena leei Jäch and Díaz, 1998 ^{i c g}
• Hydraena legorskyi Jäch and Brojer, 2012 ^{i c g}
• Hydraena lehmanni Jäch and Díaz, 2005 ^{i c g}
• Hydraena leonhardi Breit, 1916 ^{i c g}
• Hydraena leprieuri Sainte-Claire Deville, 1905 ^{i c g}
• Hydraena levantina Sahlberg, 1908 ^{i c g}
• Hydraena ligulipes Jäch, 1988 ^{i c g}
• Hydraena lilianae Perkins, 2011 ^{i c g}
• Hydraena limbobesa Perkins, 2011 ^{i c g}
• Hydraena limpidicollis Perkins, 1980 ^{i c g}
• Hydraena liriope Orchymont, 1943 ^{i c g}
• Hydraena longicollis Sharp, 1882 ^{i c g}
• Hydraena loripes Perkins, 2011 ^{i c g}
• Hydraena lotti Bilton, 2013 ^{i c g}
• Hydraena lucasi Lagar, 1984 ^{i c g}
• Hydraena lucernae Zwick, 1977 ^{i c g}
• Hydraena ludovicae Orchymont, 1931 ^{i c g}
• Hydraena luminicollis Perkins, 2007 ^{i c g}
• Hydraena luridipennis MacLeay, 1873 ^{i c g}
• Hydraena lusitana (Berthélemy in Berthélemy and Whytton Da Terra, 1977) ^{i c g}
• Hydraena lycia Jäch, 1988 ^{i c g}
• Hydraena macedonica Orchymont, 1931 ^{i c g}
• Hydraena maculicollis Champion, 1920 ^{i c g}
• Hydraena maculopala Perkins, 2011 ^{i c g}
• Hydraena madronensis Castor, García and Ferreras, 2000 ^{i c g}
• Hydraena magna Pu, 1951 ^{i c g}
• Hydraena magnessa Jäch, 1997 ^{i c g}
• Hydraena magnetica Zwick, 1977 ^{i c g}
• Hydraena mahensis Scott, 1913 ^{i c g}
• Hydraena malagricola Jäch and Díaz, 2012 ^{i c g}
• Hydraena malickyi Jäch, 1989 ^{i c g}
• Hydraena malkini Perkins, 1980 ^{i c g}
• Hydraena manabica Perkins, 2011 ^{i c g}
• Hydraena manaslu Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena manfredjaechi Delgado and Soler, 1991 ^{i c g}
• Hydraena manguao Freitag and Jäch, 2007 ^{i c g}
• Hydraena manulea Perkins, 2011 ^{i c g}
• Hydraena manuloides Perkins, 2011 ^{i c g}
• Hydraena marawaka Perkins, 2011 ^{i c g}
• Hydraena marcosae Aguilera, Hernando and Ribera, 1997 ^{i c g}
• Hydraena marginicollis Kiesenwetter, 1849 ^{i c g}
• Hydraena mariannae Jäch, 1992 ^{i c g}
• Hydraena marinae Castro, 2003 ^{i c g}
• Hydraena martensi Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena martinschoepfi Jäch and Díaz, 2005 ^{i c g}
• Hydraena masatakai Jäch and Díaz, 2003 ^{i c g}
• Hydraena maureenae Perkins, 1980 ^{i c g}
• Hydraena mauriciogarciai Perkins, 2011 ^{i c g}
• Hydraena mazamitla Perkins, 1980 ^{i c g}
• Hydraena mecai Millán and Aguilera, 2000 ^{i c g}
• Hydraena melas Dalla Torre, 1877 ^{i c g}
• Hydraena mercuriala Perkins, 2011 ^{i c g}
• Hydraena meschniggi Pretner, 1929 ^{i c g}
• Hydraena metzeni Perkins, 2007 ^{i c g}
• Hydraena mexicana Perkins, 1980 ^{i c g}
• Hydraena mianminica Perkins, 2011 ^{i c g}
• Hydraena michaelbalkei Jäch, Díaz and Skale, 2013 ^{i c g}
• Hydraena mignymixys Perkins, 1980 ^{i c g}
• Hydraena millerorum Perkins, 2007 ^{i c g}
• Hydraena miniretia Perkins, 2007 ^{i c g}
• Hydraena mintrita Perkins, 2011 ^{i c g}
• Hydraena mitchellensis Perkins, 2007 ^{i c g}
• Hydraena miyatakei Satô, 1959 ^{i c g}
• Hydraena modili Jäch, 1988 ^{i c g}
• Hydraena monikae Jäch and Díaz, 2000 ^{i c g}
• Hydraena monscassius Jäch, 1988 ^{i c g}
• Hydraena monstruosipes Ferro, 1986 ^{i c g}
• Hydraena monteithi Perkins, 2007 ^{i c g}
• Hydraena morio Kiesenwetter, 1849 ^{i c g}
• Hydraena motzfeldi Skale and Jäch, 2011 ^{i c g}
• Hydraena mouzaiensis Sainte-Claire Deville, 1909 ^{i c g}
• Hydraena mpumalanga Perkins, 2014 ^{i c g}
• Hydraena muelleri Pretner, 1931 ^{i c g}
• Hydraena muezziginea Jäch, 1988 ^{i c g}
• Hydraena multiloba Perkins, 2011 ^{i c g}
• Hydraena multimurata Perkins, 2014 ^{i c g}
• Hydraena multispina Perkins, 2011 ^{i c g}
• Hydraena mylasae Jäch, 1992 ^{i c g}
• Hydraena namibiensis Perkins, 2014 ^{i c g}
• Hydraena nanocolorata Perkins, 2011 ^{i c g}
• Hydraena nanopala Perkins, 2011 ^{i c g}
• Hydraena nanoscintilla Perkins, 2011 ^{i c g}
• Hydraena natiforma Perkins, 2014 ^{i c g}
• Hydraena neblina Perkins, 2011 ^{i c g}
• Hydraena nelsonmandelai Makhan, 2008 ^{i c g}
• Hydraena neoaccurata Perkins, 2014 ^{i c g}
• Hydraena nevermanni Perkins, 1980 ^{i c g}
• Hydraena newtoni Perkins, 1980 ^{i c g}
• Hydraena nielshaggei Freitag and Jäch, 2007 ^{i c g}
• Hydraena nigra Hatch, 1965 ^{i c g}
• Hydraena nigrita Germar, 1824 ^{i c g}
• Hydraena nike Jäch, 1995 ^{i c g}
• Hydraena nilguenae (Jäch, 1988) ^{i c g}
• Hydraena nitidimenta Perkins, 2011 ^{i c g}
• Hydraena nivalis Jäch, 1992 ^{i c g}
• Hydraena nomenipes Perkins, 2014 ^{i c g}
• Hydraena notsui Satô, 1978 ^{i c g}
• Hydraena novacula Perkins, 2011 ^{i c g}
• Hydraena numidica Sainte-Claire Deville, 1905 ^{i c g}
• Hydraena nurabadensis Skale and Jäch, 2011 ^{i c g}
• Hydraena nuratauensis Jäch, 1994 ^{i c g}
• Hydraena oaxaca Perkins, 1980 ^{i c g}
• Hydraena oblio Perkins, 1980 ^{i c g}
• Hydraena occidentalis Perkins, 1980 ^{i c g}
• Hydraena occitana (Audisio and De Biase, 1995) ^{i c g}
• Hydraena okapa Perkins, 2011 ^{i c g}
• Hydraena okinawensis Jäch and Díaz, 1999 ^{i c g}
• Hydraena olidipastoris Jäch, 1988 ^{i c g}
• Hydraena ollopa Perkins, 2011 ^{i c g}
• Hydraena optica Jäch and Díaz, 2012 ^{i c g}
• Hydraena orchis Jäch and Díaz, 1998 ^{i c g}
• Hydraena orcula Perkins, 1980 ^{i c g}
• Hydraena ordishi Delgado and Palma, 1997 ^{i c g}
• Hydraena orientalis Breit, 1916 ^{i c g}
• Hydraena ortali Jäch, 1986 ^{i c g}
• Hydraena orthosia Jäch, Díaz and Dia in Jäch, Dia and Díaz, 2006 ^{i c g}
• Hydraena otiarca Perkins, 2011 ^{i c g}
• Hydraena ovata Janssens, 1961 ^{i c g}
• Hydraena owenobesa Perkins, 2011 ^{i c g}
• Hydraena oxiana Janssens, 1974 ^{i c g}
• Hydraena ozarkensis Perkins, 1980 ^{i c g}
• Hydraena pachyptera Apfelbeck, 1909 ^{i c g}
• Hydraena pacifica Perkins, 1980 ^{i c g}
• Hydraena pacificica Perkins, 2011 ^{i c g}
• Hydraena paeminosa Perkins, 1980 ^{i c g}
• Hydraena pagaluensis Hernando and Ribera, 2001 ^{i c g}
• Hydraena paganettii Ganglbauer, 1901 ^{i c g}
• Hydraena pajarita Brojer and Jäch, 2011 ^{i c g}
• Hydraena pakistanica Jäch, 1992 ^{i c g}
• Hydraena pala Perkins, 2011 ^{i c g}
• Hydraena palamita Perkins, 2011 ^{i c g}
• Hydraena palawanensis Freitag and Jäch, 2007 ^{i c g}
• Hydraena pallidula Sainte-Claire Deville, 1909 ^{i c g}
• Hydraena palustris Erichson, 1837 ^{i c g}
• Hydraena pamirica Jäch, 1992 ^{i c g}
• Hydraena pamphylia Jäch and Díaz, 2001 ^{i c g}
• Hydraena pangaei Jäch, 1992 ^{i c g}
• Hydraena pantanalensis Perkins, 2011 ^{i c g}
• Hydraena paraguayensis Janssens, 1972 ^{i c g}
• Hydraena parciplumea Perkins, 2007 ^{i c g}
• Hydraena particeps Perkins, 1980 ^{i c g}
• Hydraena parva Zwick, 1977 ^{i c g}
• Hydraena parysatis Janssens, 1981 ^{i c g}
• Hydraena paucistriata Jäch and Díaz, 2000 ^{i c g}
• Hydraena paulmoritz Jäch, Díaz and Skale, 2013 ^{i c g}
• Hydraena pavicula Perkins, 1980 ^{i c g}
• Hydraena paxillipes Perkins, 2011 ^{i c g}
• Hydraena peckorum Perkins, 2011 ^{i c g}
• Hydraena pectenata Perkins, 2011 ^{i c g}
• Hydraena pedroaguilerai Perkins, 2011 ^{i c g}
• Hydraena pegopyga Perkins, 2011 ^{i c g}
• Hydraena pelops Jäch, 1995 ^{i c g}
• Hydraena pennsylvanica Kiesenwetter, 1849 ^b
• Hydraena pensylvanica Kiesenwetter, 1849 ^{i c g}
• Hydraena penultimata Perkins, 2011 ^{i c g}
• Hydraena perkinsi Spangler, 1980 ^{i c g}
• Hydraena perlonga Balfour-Browne, 1950 ^{i c g}
• Hydraena perpunctata Perkins, 2011 ^{i c g}
• Hydraena persica Janssens, 1981 ^{i c g}
• Hydraena pertransversa Perkins, 2011 ^{i c g}
• Hydraena peru Perkins, 1980 ^{i c g}
• Hydraena pesici Skale and Jäch, 2011 ^{i c g}
• Hydraena petila Perkins, 1980 ^{i c g}
• Hydraena phainops Perkins, 2011 ^{i c g}
• Hydraena phallerata Orchymont, 1944 ^{i c g}
• Hydraena phallica Orchymont, 1930 ^{i c g}
• Hydraena phassilyi Orchymont, 1931 ^{i c g}
• Hydraena philippi Jäch and Díaz, 2005 ^{i c g}
• Hydraena philyra Orchymont, 1944 ^{i c g}
• Hydraena phoenicia Jäch, Díaz and Dia in Jäch, Dia and Díaz, 2006 ^{i c g}
• Hydraena photogenica Perkins, 2011 ^{i c g}
• Hydraena pici Sainte-Claire Deville, 1905 ^{i c g}
• Hydraena picula Perkins, 2011 ^{i c g}
• Hydraena pilimera Brojer and Jäch, 2011 ^{i c g}
• Hydraena pilipes Zwick, 1977 ^{i c g}
• Hydraena pilulambra Perkins, 2011 ^{i c g}
• Hydraena pindica Janssens, 1965 ^{i c g}
• Hydraena pisciforma Perkins, 2014 ^{i c g}
• Hydraena planata Kiesenwetter, 1849 ^{i c g}
• Hydraena plastica Orchymont, 1943 ^{i c g}
• Hydraena platycnemis Jäch, 1988 ^{i c g}
• Hydraena platynaspis Jäch, 1988 ^{i c g}
• Hydraena platysoma Janssens, 1968 ^{i c g}
• Hydraena plaumanni Orchymont, 1937 ^{i c g}
• Hydraena plumipes Rey, 1886 ^{i c g}
• Hydraena pluralticola Perkins, 2011 ^{i c g}
• Hydraena plurifurcata Jäch and Díaz, 1998 ^{i c g}
• Hydraena polita Kiesenwetter, 1849 ^{i c g}
• Hydraena pontequula Perkins, 1980 ^{i c g}
• Hydraena pontica Janssens, 1963 ^{i c g}
• Hydraena porchi Perkins, 2007 ^{i c g}
• Hydraena porcula Jäch and Díaz, 1998 ^{i c g}
• Hydraena praetermissa Jäch, 1987 ^{i c g}
• Hydraena premordica Perkins, 1980 ^{i c g}
• Hydraena pretneri Chiesa, 1927 ^{i c g}
• Hydraena prieto Perkins, 1980 ^{i c g}
• Hydraena princeps Fauvel, 1903 ^{i c g}
• Hydraena processa Perkins, 2011 ^{i c g}
• Hydraena producta Mulsant and Rey, 1852 ^{i c g}
• Hydraena proesei Skale and Jäch, 2011 ^{i c g}
• Hydraena profunda Perkins, 2014 ^{i c g}
• Hydraena prokini Jäch and Díaz, 2006 ^{i c g}
• Hydraena propria Perkins, 2011 ^{i c g}
• Hydraena prusensis Jäch, 1992 ^{i c g}
• Hydraena pseudocirrata Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena pseudopalawanensis Freitag and Jäch, 2007 ^{i c g}
• Hydraena pseudoriparia Orchymont, 1945 ^{i c g}
• Hydraena puetzi Jäch, 1994 ^{i c g}
• Hydraena pugillista Perkins, 2007 ^{i c g}
• Hydraena pulchella Germar, 1824 ^{i c g}
• Hydraena pulsatrix Perkins, 1980 ^{i c g}
• Hydraena punctata LeConte, 1855 ^{i c g}
• Hydraena puncticollis Sharp, 1882 ^{i c g}
• Hydraena punctilata Perkins, 2011 ^{i c g}
• Hydraena putearius Jäch and Díaz, 2000 ^{i c g}
• Hydraena pygmaea Waterhouse, 1833 ^{i c g}
• Hydraena quadrata (Janssens, 1980) ^{i c g}
• Hydraena quadricollis Wollaston, 1864 ^{i c g}
• Hydraena quadricurvipes Perkins, 1980 ^{i c g}
• Hydraena quadriplumipes Perkins, 2011 ^{i c g}
• Hydraena quechua Perkins, 1980 ^{i c g}
• Hydraena queenslandica Perkins, 2007 ^{i c g}
• Hydraena quetiae Castro, 2000 ^{i c g}
• Hydraena quilisi Lagar, Fresneda and Fernando, 1987 ^{i c g}
• Hydraena quintana Perkins, 2011 ^{i c g}
• Hydraena ramuensis Perkins, 2011 ^{i c g}
• Hydraena ramuquintana Perez, 2011 ^{i c g}
• Hydraena receptiva Perkins, 2011 ^{i c g}
• Hydraena reflectiva Perkins, 2014 ^{i c g}
• Hydraena regimbarti Zaitzev, 1908 ^{i c g}
• Hydraena remulipes Perkins, 2011 ^{i c g}
• Hydraena reticulata Zwick, 1977 ^{i c g}
• Hydraena reticuloides Perkins, 2007 ^{i c g}
• Hydraena reticulositis Perkins, 2007 ^{i c g}
• Hydraena revelovela Perkins, 2007 ^{i c g}
• Hydraena reverberata Perkins, 2011 ^{i c g}
• Hydraena reyi Kuwert, 1888 ^{i c g}
• Hydraena rhinoceros (Janssens, 1972) ^{i c g}
• Hydraena rhodia Jäch, 1985 ^{i c g}
• Hydraena riberai Jäch, Aguilera and Hernando, 1998 ^{i c g}
• Hydraena richardimbi Jäch, 1992 ^{i c g}
• Hydraena rigua Orchymont, 1931 ^{i c g}
• Hydraena ripaeaureae (Janssens, 1972) ^{i c g}
• Hydraena riparia Kugelann, 1794 ^{i c g}
• Hydraena rivularis Guillebeau, 1896 ^{i c g}
• Hydraena robusta Zwick, 1977 ^{i c g}
• Hydraena rosannae Audisio, Trizzino and De Biase in Audisio, Trizzino, De Biase, Mancini and Antonini, 2009 ^{i c g}
• Hydraena rudallensis Blackburn, 1896 ^{i c g}
• Hydraena rufipennis Boscá Berga, 1932 ^{i c g}
• Hydraena rufipes Curtis, 1830 ^{i c g}
• Hydraena rugosa Mulsant, 1844 ^{i c g}
• Hydraena ruinosa Zwick, 1977 ^{i c g}
• Hydraena rukiyeae Kasapoglu, Jäch and Skale, 2010 ^{i c g}
• Hydraena sabella Perkins, 1980 ^{i c g}
• Hydraena saga Orchymont, 1930 ^{i c g}
• Hydraena sagatai Perkins, 2011 ^{i c g}
• Hydraena sahlbergi Orchymont, 1923 ^{i c g}
• Hydraena saluta Perkins, 2011 ^{i c g}
• Hydraena samia Jäch, 1986 ^{i c g}
• Hydraena samnitica Knisch, 1924 ^{i c g}
• Hydraena sanagergelyae Brojer and Jäch, 2011 ^{i c g}
• Hydraena sanfilippoi (Audisio and De Biase, 1995) ^{i c g}
• Hydraena sappho Janssens, 1965 ^{i c g}
• Hydraena sardoa Binaghi, 1961 ^{i c g}
• Hydraena satoi Jäch and Díaz, 1999 ^{i c g}
• Hydraena sautakei Jäch and Díaz, 1999 ^{i c g}
• Hydraena sauteri Orchymont, 1913 ^{i c g}
• Hydraena scabra Orchymont, 1925 ^{i c g}
• Hydraena scabrosa Orchymont, 1931 ^{i c g}
• Hydraena schawalleri Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena schilfii Jäch, 1988 ^{i c g}
• Hydraena schillhammeri Jäch, 1988 ^{i c g}
• Hydraena schmidi Jäch and Díaz, 2001 ^{i c g}
• Hydraena schoedli Jäch, 1992 ^{i c g}
• Hydraena schoenmanni Jäch, 1988 ^{i c g}
• Hydraena schubertorum Jäch and Díaz, 2001 ^{i c g}
• Hydraena schuelkei Jäch, 1992 ^{i c g}
• Hydraena schuleri Ganglbauer, 1901 ^{i c g}
• Hydraena scintilla Perkins, 1980 ^{i c g}
• Hydraena scintillabella Perkins, 1980 ^{i c g}
• Hydraena scintillamima Perkins, 2011 ^{i c g}
• Hydraena scintillapicta Perkins, 2011 ^{i c g}
• Hydraena scintillarca Perkins, 2011 ^{i c g}
• Hydraena scintillutea Perkins, 1980 ^{i c g}
• Hydraena scitula Orchymont, 1943 ^{i c g}
• Hydraena scolops Perkins, 1980 ^{i c g}
• Hydraena scopula Perkins, 1980 ^{i c g}
• Hydraena scythica Janssens, 1974 ^{i c g}
• Hydraena sebastiani Perkins, 2014 ^{i c g}
• Hydraena sepikramuensis Perkins, 2011 ^{i c g}
• Hydraena septemlacuum Jäch, 1992 ^{i c g}
• Hydraena serpentina Jäch, 1988 ^{i c g}
• Hydraena serricollis Wollaston, 1864 ^{i c g}
• Hydraena servilia Orchymont, 1936 ^{i c g}
• Hydraena sexarcuata Perkins, 2011 ^{i c g}
• Hydraena sexsuprema Perkins, 2011 ^{i c g}
• Hydraena sharmai Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena sharpi Rey, 1886 ^{i c g}
• Hydraena shorti Perkins, 2011 ^{i c g}
• Hydraena sicula Kiesenwetter, 1849 ^{i c g}
• Hydraena sidon Jäch, Díaz and Dia in Jäch, Dia and Díaz, 2006 ^{i c g}
• Hydraena sierra Perkins, 1980 ^{i c g}
• Hydraena similis Orchymont, 1930 ^{i c g}
• Hydraena simonidea Orchymont, 1931 ^{i c g}
• Hydraena simplicicollis Blackburn, 1896 ^{i c g}
• Hydraena simplipes Zwick, 1977 ^{i c g}
• Hydraena singaporensis Jäch, Díaz and Skale, 2013 ^{i c g}
• Hydraena sinope Jäch, 1992 ^{i c g}
• Hydraena smyrnensis Sahlberg, 1908 ^{i c g}
• Hydraena socius Jäch and Díaz, 1999 ^{i c g}
• Hydraena solarii Pretner, 1930 ^{i c g}
• Hydraena solodovnikovi Jäch and Díaz, 2006 ^{i c g}
• Hydraena sordida Sharp, 1882 ^{i c g}
• Hydraena spangleri Perkins, 1980 ^{i c g}
• Hydraena spatula Perkins, 2011 ^{i c g}
• Hydraena speciosa Orchymont, 1944 ^{i c g}
• Hydraena spinipes Baudi, 1882 ^{i c g}
• Hydraena spinissima Perkins, 2007 ^{i c g}
• Hydraena spinobesa Perkins, 2011 ^{i c g}
• Hydraena splecoma Perkins, 1980 ^{i c g}
• Hydraena squalida Orchymont, 1932 ^{i c g}
• Hydraena stefani Jäch and Díaz, 2005 ^{i c g}
• Hydraena steineri Perkins, 2011 ^{i c g}
• Hydraena stellula Perkins, 2011 ^{i c g}
• Hydraena storeyi Perkins, 2007 ^{i c g}
• Hydraena striolata Perkins, 2011 ^{i c g}
• Hydraena stussineri Kuwert, 1888 ^{i c g}
• Hydraena subacuminata Rey, 1884 ^{i c g}
• Hydraena subgrandis Jäch, 1988 ^{i c g}
• Hydraena subimpressa Rey, 1885 ^{i c g}
• Hydraena subina Orchymont, 1944 ^{i c g}
• Hydraena subinflata Orchymont, 1944 ^{i c g}
• Hydraena subinoides Orchymont, 1944 ^{i c g}
• Hydraena subintegra Ganglbauer, 1901 ^{i c g}
• Hydraena subinura Orchymont, 1944 ^{i c g}
• Hydraena subirregularis Pic, 1918 ^{i c g}
• Hydraena subjuncta Orchymont, 1930 ^{i c g}
• Hydraena sublamina Orchymont, 1945 ^{i c g}
• Hydraena sublapsa Orchymont, 1945 ^{i c g}
• Hydraena subsequens Rey, 1886 ^{i c g}
• Hydraena supersexa Perkins, 2011 ^{i c g}
• Hydraena supina Perkins, 2011 ^{i c g}
• Hydraena szechuanensis Pu, 1951 ^{i c g}
• Hydraena takin Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena takutu Perkins, 2011 ^{i c g}
• Hydraena tarsotricha Perkins, 2011 ^{i c g}
• Hydraena tarvisina (Ferro, 1992) ^{i c g}
• Hydraena tatii Sáinz-Cantero and Alba-Tercedor, 1989 ^{i c g}
• Hydraena tauricola Jäch, 1988 ^{i c g}
• Hydraena taxila Janssens, 1962 ^{i c g}
• Hydraena tekmanensis Jäch, Skale and Kasapoglu, 2011 ^{i c g}
• Hydraena tenjikuana Satô, 1979 ^{i c g}
• Hydraena tenuis (Janssens, 1980) ^{i c g}
• Hydraena tenuisella Perkins, 2007 ^{i c g}
• Hydraena tenuisoror Perkins, 2007 ^{i c g}
• Hydraena terebrans Jäch, 1992 ^{i c g}
• Hydraena terralta Perkins, 1980 ^{i c g}
• Hydraena testacea Curtis, 1830 ^{i c g}
• Hydraena tetana Perkins, 2011 ^{i c g}
• Hydraena textila Perkins, 2007 ^{i c g}
• Hydraena thienemanni Orchymont, 1932 ^{i c g}
• Hydraena thola Perkins, 2011 ^{i c g}
• Hydraena tholasoris Perkins, 2011 ^{i c g}
• Hydraena thumbelina Perkins, 2011 ^{i c g}
• Hydraena thumbelipes Perkins, 2011 ^{i c g}
• Hydraena thyene Balfour-Browne, 1958 ^{i c g}
• Hydraena tiara Perkins, 2014 ^{i c g}
• Hydraena tibiopaca Perkins, 2011 ^{i c g}
• Hydraena tobogan Perkins, 2011 ^{i c g}
• Hydraena torosopala Perkins, 2011 ^{i c g}
• Hydraena torricellica Perkins, 2011 ^{i c g}
• Hydraena transvallis Perkins, 2011 ^{i c g}
• Hydraena trapezoidalis Zwick, 1977 ^{i c g}
• Hydraena tricantha Zwick, 1977 ^{i c g}
• Hydraena trichotarsa Perkins, 2011 ^{i c g}
• Hydraena tricosipes Perkins, 2011 ^{i c g}
• Hydraena tridigita Perkins, 2011 ^{i c g}
• Hydraena tridisca Perkins, 2007 ^{i c g}
• Hydraena triloba Perkins, 2007 ^{i c g}
• Hydraena trinidensis Perkins, 1980 ^{i c g}
• Hydraena triparamera Jäch, 1982 ^{i c g}
• Hydraena tritropis Perkins, 2011 ^{i c g}
• Hydraena tritutela Perkins, 2011 ^{i c g}
• Hydraena truncata Rey, 1885 ^{i c g}
• Hydraena tsushimaensis Jäch and Díaz, 2012 ^{i c g}
• Hydraena tubuliphallis Jäch, 1982 ^{i c g}
• Hydraena tucumanica Perkins, 1980 ^{i c g}
• Hydraena tuolumne Perkins, 1980 ^{i c g}
• Hydraena turcica Janssens, 1965 ^{i c g}
• Hydraena turrialba Perkins, 1980 ^{i c g}
• Hydraena tyrrhena Binaghi, 1961 ^{i c g}
• Hydraena ulna Perkins, 2011 ^{i c g}
• Hydraena umbolenta Perkins, 2011 ^{i c g}
• Hydraena unca Valladares, 1989 ^{i c g}
• Hydraena undevigintioctogintasisyphos Jäch and Díaz, 2005 ^{i c g}
• Hydraena undulata Jäch and Díaz, 1998 ^{i c g}
• Hydraena uniforma Perkins, 2014 ^{i c g}
• Hydraena unita Perkins, 2011 ^{i c g}
• Hydraena uzbekistanica Jäch, 1994 ^{i c g}
• Hydraena vadosa Perkins, 2014 ^{i c g}
• Hydraena valentini Jäch and Díaz, 2012 ^{i c g}
• Hydraena vandykei Orchymont, 1923 ^{i c g}
• Hydraena variopaca Perkins, 2011 ^{i c g}
• Hydraena vedrasi Orchymont, 1931 ^{i c g}
• Hydraena vela Perkins, 1980 ^{i c g}
• Hydraena velvetina Perkins, 2011 ^{i c g}
• Hydraena venezuela Perkins, 2011 ^{i c g}
• Hydraena verberans Jäch and Díaz, 2006 ^{i c g}
• Hydraena verstraeteni Ferro, 1984 ^{i c g}
• Hydraena victoriae Jäch and Díaz, 1999 ^{i c g}
• Hydraena vietnamensis (Janssens, 1972) ^{i c g}
• Hydraena virginalis Janssens, 1963 ^{i c g}
• Hydraena vodozi Sainte-Claire Deville, 1908 ^{i c g}
• Hydraena vulgaris Jäch and Díaz, 2000 ^{i c g}
• Hydraena waldheimi Jäch, 1987 ^{i c g}
• Hydraena wangi Jäch and Díaz, 1998 ^{i c g}
• Hydraena wangmiaoi Jäch and Díaz, 2005 ^{i c g}
• Hydraena watanabei Jäch and Satô, 1988 ^{i c g}
• Hydraena wattsi Perkins, 2007 ^{i c g}
• Hydraena weigeli Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena weiri Perkins, 2007 ^{i c g}
• Hydraena wencke Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena wewalkai Jäch, 1988 ^{i c g}
• Hydraena williamsensis Deane, 1931 ^{i c g}
• Hydraena wittmeri Satô, 1979 ^{i c g}
• Hydraena wolfi Skale and Jäch in Jäch and Skale, 2009 ^{i c g}
• Hydraena wrasei Jäch, 1992 ^{i c g}
• Hydraena xingu Perkins, 2011 ^{i c g}
• Hydraena yangae Jäch, Díaz and Skale, 2013 ^{i c g}
• Hydraena yonaguniensis Jäch and Díaz, 2003 ^{i c g}
• Hydraena yosemitensis Perkins, 1980 ^{i c g}
• Hydraena yoshitomii Jäch and Díaz, 1999 ^{i c g}
• Hydraena youngi Perkins, 1980 ^{i c g}
• Hydraena ypsilon Zwick, 1977 ^{i c g}
• Hydraena yunnanensis Pu, 1942 ^{i c g}
• Hydraena zapatina Perkins, 1980 ^{i c g}
• Hydraena zelandica Ordish, 1984 ^{i c g}
• Hydraena zetteli Freitag and Jäch, 2007 ^{i c g}
• Hydraena zezerensis Díaz Pazos and Bilton, 1995 ^{i c g}
• Hydraena zimbabwensis Perkins, 2014 ^{i c g}
• Hydraena zwicki Perkins, 2007 ^{i c g}

Data sources: i = ITIS, ^[1] c = Catalogue of Life, ^[5] g = GBIF, ^[2] b = Bugguide.net ^[6]

References

1. "Hydraena Report". Integrated Taxonomic Information System. Retrieved 2019-09-23.
2. "Hydraena". GBIF. Retrieved 2019-09-23.
3. "Genus Hydraena information". BugGuide.net. Retrieved 2019-09-23.
4. Wikipedia contributors. (2022, March 21). List of Hydraena species. In Wikipedia, The Free Encyclopedia. Retrieved 04:11, November 12, 2025, from https://en.wikipedia.org/w/index.php?title=List_of_Hydraena_species&oldid=1078450070
5. "Browse Hydraena". Catalogue of Life. Retrieved 2018-04-24.
6. "Hydraena Genus Information". BugGuide.net. Retrieved 2018-04-24.

Further reading

• Arce-Pérez, Roberto; Jäch, Manfred A. (2005). "Sinopsis de la familia Hydraenidae (Coleoptera: Staphylinoidea) de Mexico". Folia Entomologica Mexicana. New Series. 43 (2): 237–247. ISSN   0430-8603.
• Lobl, I.; Smetana, A., eds. (2015). Catalogue of Palaearctic Coleoptera, Volume 2: Hydrophiloidea - Staphylinoidea. Apollo Books. ISBN   978-90-04-29685-5.

External links

• Media related to Hydraena at Wikimedia Commons