Hydraena (Kugelann 1794) ⇒ Taxonomy and Distribution of Genus

Ants

Arachnids

INSECTOIDGERENGDARK LIGHT

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Taxonomy of Genus Hydraena Kugelann, 1794

Class	Insecta Linnaeus, 1758 Insects, True insects	4179 190570 2444470	Families Genera Species
Subclass	Pterygota Lang, 1888 Winged insects	3816 189502 2439455	Families Genera Species
Infraclass	Neoptera van der Wulp, 1890 Modern Wing-folding insects	3399 186457 2415487	Families Genera Species
Superorder	Holometabola Heider, 1889 Holometabolous Insects	1891 142849 2048615	Families Genera Species
Order	Coleoptera Linnaeus, 1758 Beetles, Coleopterans	592 62779 813516	Families Genera Species
Suborder	Polyphaga Emery, 1886 Polyphags	274 54416 687671	Families Genera Species
Infraorder	Staphyliniformia Lameere, 1900	22 8512 135171	Families Genera Species
Superfamily	Staphylinoidea Latreille, 1802 Carrion Beetles, Fungus Beetles, Rove Beetles	12 7401 118107	Families Genera Species
Family	Hydraenidae Mulsant, 1844 Cascade Beetles, Hydraenid beetles, Minute moss beetle	102 2857	Genera Species
Subfamily	Hydraeninae Mulsant, 1844	22 1550	Genera Species
Tribe	Hydraenini Mulsant, 1844	3 1199	Genera Species
Genus	Hydraena Kugelann, 1794	1191	Species

Subnodes of Hydraena Kugelann, 1794

Subgenus	Hydraena (Hydraena) Kugelann, 1794	198	Species
Subgenus	Hydraena (Hydraenopsis) Janssens, 1972	1	Species
Species	Hydraena abbasigili Jäch, 1988
Species	Hydraena abdita Orchymont, 1948
Species	Hydraena abyssinica Régimbart, 1905
Species	Hydraena accurata Orchymont, 1948
Species	Hydraena acicula Perkins, 2017
Species	Hydraena acumena Perkins, 2011
Species	Hydraena acutipennis Fairmaire, 1879
Species	Hydraena adelbertensis Perkins, 2011
Species	Hydraena adrastea Orchymont, 1948
Species	Hydraena affirmata Perkins, 2007
Species	Hydraena africana Kuwert, 1888
Species	Hydraena akameku Perkins, 2011
Species	Hydraena akbesiana Audisio, De Biase & Jäch, 1993
Species	Hydraena alberti Balfour-Browne, 1950
Species	Hydraena algerina Kaddouri, 1992
Species	Hydraena aliciae Jäch & Díaz, 2005
Species	Hydraena alluaudi Régimbart, 1906
Species	Hydraena altapapua Perkins, 2011
Species	Hydraena alternata Perkins, 1980
Species	Hydraena alterra Perkins, 1980
Species	Hydraena alticola Skale & Jäch, 2008
Species	Hydraena altiphila Perkins, 2011
Species	Hydraena amarantina Janssens, 1963
Species	Hydraena amazonica Perkins, 2011
Species	Hydraena ambiflagellata Zwick, 1977
Species	Hydraena ambiosina Perkins, 2007
Species	Hydraena ambohitantely Perkins, 2017
Species	Hydraena ambra Perkins, 2011
Species	Hydraena ambripes Perkins, 2011
Species	Hydraena ambroides Perkins, 2011
Species	Hydraena americana Jäch, 1993
Species	Hydraena amidensis Jäch, 1988
Species	Hydraena ampla Perkins, 2011
Species	Hydraena amplexa Perkins, 2017
Species	Hydraena amplipunctata Perkins, 2017
Species	Hydraena anaphora Perkins, 1980
Species	Hydraena ancylis Perkins, 1980
Species	Hydraena ancyrae Jäch, 1992
Species	Hydraena andranomena Perkins, 2017
Species	Hydraena angelitofelipepunoi Freitag & Hornyák, 2021
Species	Hydraena angulicollis Notman, 1921 Redstem saxifrage
Species	Hydraena anisonycha Perkins, 1980
Species	Hydraena antaria Perkins, 2007
Species	Hydraena antiatlantica Jäch, Aguilera, & Hernando, 1998
Species	Hydraena antiochena Jäch, 1988
Species	Hydraena antsahabe Perkins, 2017
Species	Hydraena apertista Perkins, 2011
Species	Hydraena apexa Perkins, 2011
Species	Hydraena appalachicola Perkins, 1980
Species	Hydraena appetita Perkins, 2007
Species	Hydraena aquila Perkins, 2011
Species	Hydraena arabica Balfour-Browne, 1951
Species	Hydraena arcta Perkins, 2007
Species	Hydraena arenicola Perkins, 1980
Species	Hydraena argutipes Perkins, 1980
Species	Hydraena ariana Janssens, 1962
Species	Hydraena arizonica Perkins, 1980
Species	Hydraena armata Reitter, 1880 Feather-winged beetles
Species	Hydraena armatura Perkins, 2014
Species	Hydraena armeniaca Janssens, 1968
Species	Hydraena armipalpis Jäch & Díaz, 2000
Species	Hydraena aroensis Ferro, 1992
Species	Hydraena arta Perkins, 2017
Species	Hydraena arunensis Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena ascensa Perkins, 2007
Species	Hydraena ateneo Freitag, 2013
Species	Hydraena athertonica Perkins, 2007
Species	Hydraena atlantica Perkins, 1980 ⇒ Hydraena pensylvanica
Species	Hydraena atracapilla Waterhouse, 1833 ⇒ Hydraena (Hydraena) minutissima
Species	Hydraena atricapilla G. R. Waterhouse, 1833
Species	Hydraena atroscintilla Perkins, 2011
Species	Hydraena attaleiae Ferro, 1984
Species	Hydraena audisioi Jäch, 1992
Species	Hydraena aulaarta Perkins, 2011
Species	Hydraena aurita Jäch, 1988
Species	Hydraena australica Zwick, 1977
Species	Hydraena australula Perkins, 2007
Species	Hydraena austrobesa Perkins, 2011
Species	Hydraena avuncula Jäch, 1988
Species	Hydraena aydini Janssens, 1968
Species	Hydraena bacchusi Perkins, 2011
Species	Hydraena bactriana Janssens, 1962
Species	Hydraena bahiana Benetti, Valladares, Delgado & Hamada, 2022
Species	Hydraena bakriensis Skale & Jäch, 2011
Species	Hydraena balcanica d´Orchymont, 1930
Species	Hydraena balfourbrownei Bameul, 1986
Species	Hydraena balkei Perkins, 2011
Species	Hydraena barbipes Zwick, 1977
Species	Hydraena barricula Perkins, 1980
Species	Hydraena bedeli Barthélemy, 1992
Species	Hydraena belfiorei Audisio & De Biase, 1990
Species	Hydraena beniensis Perkins, 2011
Species	Hydraena benjaminus Jäch & Díaz, 2006
Species	Hydraena bergeri Janssens, 1972
Species	Hydraena bergsteni Perkins, 2017
Species	Hydraena berthelemyana Jäch, Díaz & Dia in Jäch, Dia & Díaz, 2006
Species	Hydraena berthelemyi Lagar & Fresneda, 1990 ⇒ Hydraena (Hydraena) bisulcata
Species	Hydraena berytus Jäch, 1986
Species	Hydraena beyarslani Jäch, 1988
Species	Hydraena bicarina Perkins, 2014
Species	Hydraena bicarinova Perkins, 2011
Species	Hydraena bidefensa Perkins, 2007
Species	Hydraena bidentata Ganglbauer, 1901
Species	Hydraena bifunda Perkins, 2011
Species	Hydraena bihamata Champion, 1920
Species	Hydraena biimpressa Perkins, 2007
Species	Hydraena billi Zwick, 1977
Species	Hydraena bilobata Jäch & Díaz, 1998
Species	Hydraena biltoni Jäch & Díaz, 2012
Species	Hydraena binaghii Jäch, 1989
Species	Hydraena bipunctata Rey, 1886 ⇒ Hydraena (Hydraena) assimilis
Species	Hydraena birendra Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena biseptosa Perkins, 2014
Species	Hydraena bisignata Rey, 1886 ⇒ Hydraena (Hydraena) nigrita
Species	Hydraena bisinuata Perkins, 2017
Species	Hydraena bisinuloba Perkins, 2017
Species	Hydraena bispica Perkins, 2017
Species	Hydraena bispinosa Pu, 1951
Species	Hydraena bithynica Janssens, 1965
Species	Hydraena bituberculata Perkins, 1980
Species	Hydraena biundulata Perkins, 2011
Species	Hydraena blancae Deler-Hernández, FikáÄ�ek & Delgado, 2017
Species	Hydraena bodemeyeri Jäch & Díaz, 2001
Species	Hydraena boetcheri Orchymont, 1932
Species	Hydraena bohemica Hrbá...ek, 1951 ⇒ Hydraena (Hydraena) melas
Species	Hydraena boliviana Perkins, 2011
Species	Hydraena boltonensis
Species	Hydraena borbonica Fairmaire, 1898	2	Subspecies
Species	Hydraena bractea Perkins, 1980
Species	Hydraena bractoides Perkins, 1980
Species	Hydraena brahman Perkins, 2011
Species	Hydraena brahmin Perkins, 2011
Species	Hydraena breedlovei Perkins, 1980
Species	Hydraena breviceps Perkins, 2017
Species	Hydraena brevipalpis Régimbart, 1906
Species	Hydraena brevis Sharp, 1882 Grand Junction camissonia
Species	Hydraena brittoni Zwick, 1977
Species	Hydraena bromleyae Jäch, 1986
Species	Hydraena browni Perkins, 1980
Species	Hydraena brunnea Dalla Torre, 1877 ⇒ Hydraena (Hydraena) melas
Species	Hydraena brunnescens Dalla Torre, 1879
Species	Hydraena brunneus Dalla Torre, 1877
Species	Hydraena bubi Hernando & Ribera, 2017
Species	Hydraena bubulla Perkins, 2011
Species	Hydraena bucollis Perkins, 2017
Species	Hydraena buloba Perkins, 2011
Species	Hydraena buquintana Perkins, 2011
Species	Hydraena buschietanni Freitag & Hornyák, 2021
Species	Hydraena buscintilla Perkins, 2011
Species	Hydraena busuanga Freitag & Jäch, 2007
Species	Hydraena byzantina Janssens, 1965
Species	Hydraena calabra Kniñ, 1919
Species	Hydraena calcarifera Janssens, 1959
Species	Hydraena californica Perkins, 1980
Species	Hydraena cameroancylis Perkins, 2022
Species	Hydraena cameroarida Perkins, 2022
Species	Hydraena camerobuloba Perkins, 2022
Species	Hydraena camerocameola Perkins, 2022
Species	Hydraena camerocarinata Perkins, 2022
Species	Hydraena cameroclandestina Perkins, 2022
Species	Hydraena camerocompacta Perkins, 2022
Species	Hydraena camerocomplexa Perkins, 2022
Species	Hydraena camerocompressa Perkins, 2022
Species	Hydraena cameroconcava Perkins, 2022
Species	Hydraena cameroconfinis Perkins, 2022
Species	Hydraena camerocontinua Perkins, 2022
Species	Hydraena camerocontrasta Perkins, 2022
Species	Hydraena cameroconvexa Perkins, 2022
Species	Hydraena camerocordata Perkins, 2022
Species	Hydraena camerocorona Perkins, 2022
Species	Hydraena camerocrebrata Perkins, 2022
Species	Hydraena camerocubita Perkins, 2022
Species	Hydraena camerocurvata Perkins, 2022
Species	Hydraena camerodidacta Perkins, 2022
Species	Hydraena camerodigita Perkins, 2022
Species	Hydraena cameroflagellata Perkins, 2022
Species	Hydraena camerofoveata Perkins, 2022
Species	Hydraena camerojocula Perkins, 2022
Species	Hydraena camerolatula Perkins, 2022
Species	Hydraena cameroovala Perkins, 2022
Species	Hydraena cameropalmula Perkins, 2022
Species	Hydraena cameropetila Perkins, 2022
Species	Hydraena cameroradiata Perkins, 2022
Species	Hydraena camerosemicordata Perkins, 2022
Species	Hydraena camerosetosa Perkins, 2022
Species	Hydraena camerosicula Perkins, 2022
Species	Hydraena campbelli Perkins, 1980
Species	Hydraena cantabrica Chiesa, 1959 ⇒ Hydraena (Hydraena) inapicipalpis
Species	Hydraena canticacollis Perkins, 1980
Species	Hydraena capacis Perkins, 2007
Species	Hydraena capensis Perkins, 2014
Species	Hydraena capetribensis Perkins, 2007
Species	Hydraena cappadocica Jäch, 1988
Species	Hydraena caprivica Perkins, 2014
Species	Hydraena carducha Janssens, 1981
Species	Hydraena carica Jäch, 1988
Species	Hydraena carinocisiva Perkins, 2011
Species	Hydraena carinulata Rey, 1886
Species	Hydraena carmellita Perkins, 2011
Species	Hydraena casacolumna Perkins, 2017
Species	Hydraena castanea Deane, 1937
Species	Hydraena castanescens Freitag & Jäch, 2007
Species	Hydraena catherinae Bameul & Jäch, 2001
Species	Hydraena caucasica Kuwert, 1888
Species	Hydraena cavernicola Jeannel, 1920 ⇒ Hydraena (Hydraena) polita
Species	Hydraena cavifrons Perkins, 2011
Species	Hydraena cervisophila Jäch, 1992
Species	Hydraena challeti Perkins, 2011
Species	Hydraena cheesmanae Perkins, 2011
Species	Hydraena chenae Pu, 1951
Species	Hydraena chersonesica Jäch, Díaz & Przewozny, 2007
Species	Hydraena cherylbarrae Perkins, 2011
Species	Hydraena chiapa Perkins, 1980
Species	Hydraena chifengi Jäch & Díaz, 1999
Species	Hydraena chobauti Guillebeau, 1896
Species	Hydraena christoferi Jäch & Díaz, 2005
Species	Hydraena ciliciensis Jäch, 1988
Species	Hydraena circulata Perkins, 1980
Species	Hydraena cirrata Champion, 1920
Species	Hydraena cirratoides Janssens, 1980 ⇒ Hydraena tenjikuana
Species	Hydraena cisalpina Binaghi, 1958 ⇒ Hydraena (Hydraena) melas
Species	Hydraena clarinis Perkins, 2011
Species	Hydraena claryi Jäch, 1994 ⇒ Hydraena (Hydraena) rufipennis
Species	Hydraena claudia Freitag & Jäch, 2007
Species	Hydraena clavicula Perkins, 2014
Species	Hydraena clavigera Zwick, 1977
Species	Hydraena clavulata Perkins, 2017
Species	Hydraena clemens Jäch & Díaz, 2006
Species	Hydraena clinodorsa Perkins, 2011
Species	Hydraena clystera Perkins, 2011
Species	Hydraena cochabamba Perkins, 2011
Species	Hydraena colchica Janssens, 1963
Species	Hydraena colombiana Perkins, 1980
Species	Hydraena colorata Perkins, 2011
Species	Hydraena columbiana
Species	Hydraena colymba Perkins, 1980
Species	Hydraena compacta Perkins, 2017
Species	Hydraena compressipilis Jäch & Díaz, 1998
Species	Hydraena concepcionica Perkins, 2011
Species	Hydraena concinna Orchymont, 1932
Species	Hydraena concolor G. R. Waterhouse, 1833 ⇒ Hydraena (Hydraena) gracilis
Species	Hydraena confluenta Perkins, 2011
Species	Hydraena confusa Pu, 1951
Species	Hydraena connexa Orchymont, 1932
Species	Hydraena contorta Perkins, 2017
Species	Hydraena contracolorata Perkins, 2017
Species	Hydraena converga Perkins, 2007
Species	Hydraena coomani Orchymont, 1932
Species	Hydraena coopei Angus, 1997
Species	Hydraena cooperi Balfour-Browne, 1954
Species	Hydraena cooperoides Perkins, 2014
Species	Hydraena copulata Perkins, 2011
Species	Hydraena corcyra Jäch, 1992
Species	Hydraena cordiformis Jäch & Díaz, 2000
Species	Hydraena cordispina Perkins, 2011
Species	Hydraena cornelli Jäch & Díaz, 1998
Species	Hydraena coryleti Jäch, 1992
Species	Hydraena costiniceps Perkins, 1980
Species	Hydraena costulata
Species	Hydraena crassipes Mulsant, 1844 ⇒ Hydraena (Hydraena) dentipes
Species	Hydraena crepidoptera Jäch, 1992
Species	Hydraena cribrata Rey, 1886 ⇒ Hydraena (Hydraena) gracilis
Species	Hydraena cribricollis Rey, 1886
Species	Hydraena cristatigena P.D. Perkins, 2011
Species	Hydraena cryptostoma Jäch, 1992
Species	Hydraena crystallina Perkins, 1980
Species	Hydraena csikii Endrödy‑Younga, 1967
Species	Hydraena cubista Perkins, 2007
Species	Hydraena cultrata Perkins, 2007
Species	Hydraena cunicula Perkins, 2011
Species	Hydraena cunninghamensis Perkins, 2007
Species	Hydraena curtipalpis Jäch & Díaz, 1998
Species	Hydraena curvipes Jäch & Díaz, 2012
Species	Hydraena curvosa Perkins, 2011
Species	Hydraena cuspidicollis Perkins, 1980
Species	Hydraena cyclops Jäch & Díaz, 2000
Species	Hydraena cygnus Zwick, 1977
Species	Hydraena d-concava Perkins, 2011
Species	Hydraena d-destina Perkins, 1980
Species	Hydraena damascena Pic, 1910
Species	Hydraena darentasi Gozis, 1919 ⇒ Hydraena (Hydraena) angulosa
Species	Hydraena dariensis Perkins, 2011
Species	Hydraena darwini Perkins, 2007
Species	Hydraena debeckeri Janssens, 1972
Species	Hydraena decepta Perkins, 2011
Species	Hydraena decipiens Zwick, 1977
Species	Hydraena decui Spangler, 1980
Species	Hydraena deliquesca Perkins, 2007
Species	Hydraena delvasi Delgado & Collantes, 1996
Species	Hydraena densa Fauvel, 1883
Species	Hydraena dentipalpis Reitter, 1888
Species	Hydraena diadema Perkins, 2011
Species	Hydraena diazi Trizzino, Jäch & Ribera, 2011
Species	Hydraena diffusa Perkins, 2011
Species	Hydraena dilutipes Fairmaire, 1898
Species	Hydraena dilutipoides Perkins, 2017
Species	Hydraena dimorpha Orchymont, 1922
Species	Hydraena dinarica Freitag & Vries, 2021
Species	Hydraena dinosaurophila Jäch, 1994
Species	Hydraena discicollis Fairmaire, 1898
Species	Hydraena disparamera Perkins, 2007
Species	Hydraena dissimilis Pu, 1956
Species	Hydraena divisa Perkins, 2017
Species	Hydraena dochula Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena doderoi Ganglbauer, 1901
Species	Hydraena dorrigoensis Perkins, 2007
Species	Hydraena draconisaurati Jäch & Díaz, 2005
Species	Hydraena dryops Janssens, 1969
Species	Hydraena dudgeoni Perkins, 2011
Species	Hydraena duodecimata Perkins, 2014
Species	Hydraena duohamata Perkins, 2011
Species	Hydraena ebriimadli Jäch, 1988
Species	Hydraena ebusitana Compte, 1966
Species	Hydraena ecuadormica Perkins, 2011
Species	Hydraena eichleri Orchymont, 1937
Species	Hydraena einsteini Perkins, 2011
Species	Hydraena elegans Dejean, 1821
Species	Hydraena elementaria Perkins, 2017
Species	Hydraena elephanta Perkins, 2014
Species	Hydraena eliya Jäch, 1982
Species	Hydraena elongata Curtis, 1830 ⇒ Hydraena (Hydraena) gracilis
Species	Hydraena emineae Jäch & Kasapoglu, 2006
Species	Hydraena epipleurata Perkins, 2017
Species	Hydraena erosa Kiesenwetter, 1849
Species	Hydraena errina Orchymont, 1948
Species	Hydraena erythraea Régimbart, 1905
Species	Hydraena eryx Orchymont, 1948
Species	Hydraena esquinita Brojer & Jäch, 2011
Species	Hydraena essentia Perkins, 2011
Species	Hydraena euboia Jäch & Díaz, 2016
Species	Hydraena eucnemis Janssens, 1970
Species	Hydraena evansi Balfour-Browne, 1945
Species	Hydraena exclusa d´Orchymont, 1931
Species	Hydraena exhalista Perkins, 2011
Species	Hydraena exilipes Perkins, 1980
Species	Hydraena expedita Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena explanata Pic, 1905
Species	Hydraena extorris Zwick, 1977
Species	Hydraena falcata Jäch, 1992
Species	Hydraena falzonii Pretner, 1930
Species	Hydraena farsensis Skale & Jäch, 2011
Species	Hydraena fasciata Perkins, 2011
Species	Hydraena fascinata Perkins, 2011
Species	Hydraena fasciola Perkins, 2011
Species	Hydraena fasciolata Perkins, 2011
Species	Hydraena fasciopaca Perkins, 2011
Species	Hydraena favulosa Perkins, 2014
Species	Hydraena fenestella Perkins, 2011
Species	Hydraena ferethula Perkins, 2007
Species	Hydraena feryi Skale & Jäch, 2011
Species	Hydraena feuerborni Orchymont, 1932
Species	Hydraena fijiensis Balfour-Browne, 1945
Species	Hydraena finki Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena finniganensis Perkins, 2007
Species	Hydraena fischeri Schönmann, 1991
Species	Hydraena flagella Perkins, 2011
Species	Hydraena flavipes Sturm, 1836 ⇒ Hydraena (Hydraena) pulchella
Species	Hydraena flavomarginata Shatrovskiy, 1989
Species	Hydraena fluvicola Perkins, 1980
Species	Hydraena foliobba Perkins, 2011
Species	Hydraena fontana Orchymont, 1932
Species	Hydraena fontiscarsavii Jäch, 1988
Species	Hydraena formosapala Perkins, 2011
Species	Hydraena formosopala Perkins, 2011
Species	Hydraena formula Orchymont, 1932
Species	Hydraena forticollis Perkins, 2007
Species	Hydraena fortipes Perkins, 2017
Species	Hydraena fosterorum Trizzino, Jäch & Ribera, 2011
Species	Hydraena franklyni Deler-Hernández & Delgado, 2012
Species	Hydraena freitagi Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena frenzeli Skale & Jäch, 2008
Species	Hydraena fritzi Jäch, 1992
Species	Hydraena frondsicola Perkins, 1980
Species	Hydraena fulgidicollis Perkins, 2017
Species	Hydraena fulvipes Stephens, 1835 ⇒ Hydraena (Hydraena) rufipes
Species	Hydraena funda Perkins, 2011
Species	Hydraena fundacta Perkins, 2011
Species	Hydraena fundaequalis Perkins, 2007
Species	Hydraena fundapta Perkins, 2011
Species	Hydraena fundarca Perkins, 2011
Species	Hydraena fundata Perkins, 2007
Species	Hydraena fundextra Perkins, 2011
Species	Hydraena furcula Perkins, 2017
Species	Hydraena furthi Jäch, 1982
Species	Hydraena galatica Janssens, 1970
Species	Hydraena galea Perkins, 2011
Species	Hydraena ganglbaueri Apfelbeck, 1912
Species	Hydraena gattolliati Jäch & Delgado, 2010
Species	Hydraena gavarrensis Jäch, Díaz & Martinoy, 2005
Species	Hydraena geminya Perkins, 1980
Species	Hydraena genumorpha Perkins, 2014
Species	Hydraena genuvela Perkins, 2017
Species	Hydraena geraldneuhauseri Jäch & Díaz, 2006
Species	Hydraena gereckei Perkins, 2017
Species	Hydraena germaini Orchymont, 1923
Species	Hydraena glassmani Jäch, 1986
Species	Hydraena gnatella Orchymont, 1945
Species	Hydraena gnatelloides Orchymont, 1945
Species	Hydraena goldschmidti Perkins, 2017
Species	Hydraena gracilia Germar, 1823 ⇒ Hydraena (Hydraena) gracilis
Species	Hydraena gracilidelphis Trizzino, Valladares, Garrido & Audisio, 2012
Species	Hydraena graciloides Jäch, 1988
Species	Hydraena grebennikovi Hernando & Ribera, 2017
Species	Hydraena gressa Orchymont, 1944
Species	Hydraena griphus Orchymont, 1944
Species	Hydraena grouvellei Orchymont, 1923
Species	Hydraena grueberi Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena guadelupensis Orchymont, 1923
Species	Hydraena guangxiensis Jäch & Díaz, 2005
Species	Hydraena guatemala Perkins, 1980
Species	Hydraena guentheri Jäch, 1992
Species	Hydraena guilin Jäch & Díaz, 2005
Species	Hydraena habitiva Perkins, 2014
Species	Hydraena hainzi Jäch, 1988
Species	Hydraena haitensis Perkins, 1980
Species	Hydraena hajeki Skale & Jäch, 2011
Species	Hydraena hamifera Zwick, 1977
Species	Hydraena hansreuteri Jäch & Díaz, 2005
Species	Hydraena hayashii Jäch & Díaz, 2012
Species	Hydraena hendrichi Jäch, Díaz & Skale, 2013
Species	Hydraena hera Jäch & Díaz, 2016
Species	Hydraena herzogestella Perkins, 2011
Species	Hydraena hiekei Jäch, 1992
Species	Hydraena hillaryi Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena hintoni Perkins, 2011
Species	Hydraena hinundungan Vidal, Camille.Go & Freitag, 2017
Species	Hydraena homogyna Apfelbeck, 1909
Species	Hydraena hornabrooki Perkins, 2011
Species	Hydraena hosiwergi Freitag & Jäch, 2007
Species	Hydraena hosseinieorum Bilton & Jäch, 1998
Species	Hydraena huangshanensis Jäch & Díaz, 2005
Species	Hydraena huitongensis Jäch & Díaz, 2005
Species	Hydraena humanica Perkins, 2014
Species	Hydraena hunanensis Pu, 1951
Species	Hydraena huonica Perkins, 2011
Species	Hydraena hyalina Perkins, 1980
Species	Hydraena hynesi Zwick, 1977
Species	Hydraena hypipamee Perkins, 2007
Species	Hydraena ibalimi Perkins, 2011
Species	Hydraena idema Perkins, 2011
Species	Hydraena iheya Jäch & Díaz, 1999
Species	Hydraena ilamensis Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena ilica Jäch, 1994
Species	Hydraena impala Perkins, 2011
Species	Hydraena impercepta Zwick, 1977
Species	Hydraena impressicollis Fairmaire, 1898
Species	Hydraena inancala Perkins, 2007
Species	Hydraena incisiva Perkins, 2011
Species	Hydraena incista Perkins, 2011
Species	Hydraena incurva Orchymont, 1932
Species	Hydraena indiana Jäch, 1994
Species	Hydraena indica Orchymont, 1920
Species	Hydraena infoveola Perkins, 2011
Species	Hydraena ingens Perkins, 1980
Species	Hydraena inhalista Perkins, 2011
Species	Hydraena injectiva Perkins, 2014
Species	Hydraena innuda Perkins, 2007
Species	Hydraena inopilata Jach & Diaz, 1998
Species	Hydraena inopinata Jäch & Díaz, 1998
Species	Hydraena inplacopaca Perkins, 2011
Species	Hydraena insandalia Perkins, 2011
Species	Hydraena inseriata Perkins, 2017
Species	Hydraena insita Orchymont, 1932
Species	Hydraena insolita Orchymont, 1932
Species	Hydraena insularis Orchymont, 1945
Species	Hydraena integra Pretner, 1931
Species	Hydraena intensa Perkins, 2011
Species	Hydraena intraangulata Perkins, 2007
Species	Hydraena inusta Orchymont, 1932
Species	Hydraena invicta Perkins, 2007
Species	Hydraena iriomotensis Jäch & Díaz, 1999
Species	Hydraena isolinae Jäch & Díaz, 1998
Species	Hydraena ispirensis Kasapoglu, Jäch & Skale, 2010
Species	Hydraena italica Ganglbauer, 1901 ⇒ Hydraena (Hydraena) heterogyna
Species	Hydraena iterata Orchymont, 1948
Species	Hydraena jacobsoni Orchymont, 1932
Species	Hydraena jaechi Hebauer, 1982
Species	Hydraena jaegeri Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena janczyki Jäch, 1992
Species	Hydraena janeceki Jäch, 1987
Species	Hydraena janssensi Nilsson, 2001
Species	Hydraena jaroslavae Chiesa, 1959
Species	Hydraena jengi Jäch & Díaz, 1998
Species	Hydraena jilanzhui Jäch & Díaz, 2005
Species	Hydraena jivaro Perkins, 1980
Species	Hydraena johncoltranei Perkins, 2011
Species	Hydraena jojoorculloi Freitag & Jäch, 2007
Species	Hydraena josefinae Benetti, Valladares, Delgado & Hamada, 2020
Species	Hydraena jubata Perkins, 2017
Species	Hydraena jubilata Perkins, 2011
Species	Hydraena kadowakii Jäch & Díaz, 2012
Species	Hydraena kahleni Jäch & Díaz, 2017
Species	Hydraena kakadu Perkins, 2007
Species	Hydraena kamitei Jäch & Díaz, 2012
Species	Hydraena karmai Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena kasyi Jäch, 1992
Species	Hydraena kellymilleri Perkins, 2011
Species	Hydraena khnzoriani Janssens, 1968
Species	Hydraena kiesenwetteri Kuwert, 1888 ⇒ Hydraena (Hydraena) nigrita
Species	Hydraena kilimandjarensis Régimbart, 1906
Species	Hydraena kitayamai Jäch & Díaz, 2012
Species	Hydraena knischi Orchymont, 1928
Species	Hydraena kocheri Berthélemy, 1992
Species	Hydraena kodadai Freitag & Jäch, 2007
Species	Hydraena koje Perkins, 2011
Species	Hydraena koma Perkins, 2011
Species	Hydraena krasnodarensis Jäch & Díaz, 2006
Species	Hydraena kroumiriana Kaddouri, 1992
Species	Hydraena kucinici MiÄ�etiÄ‡ StankoviÄ‡ & Jäch, 2012
Species	Hydraena kugellani Leach, 1817
Species	Hydraena kurdistanica Jäch, 1988
Species	Hydraena kwangsiensis Pu, 1951
Species	Hydraena labropaca Perkins, 2011
Species	Hydraena laevis Dalla Torre, 1877 ⇒ Hydraena (Hydraena) melas
Species	Hydraena lagamba Brojer & Jäch, 2011
Species	Hydraena lapissectilis Jäch, 1992
Species	Hydraena larsoni Perkins, 2007
Species	Hydraena lascrucensis Brojer & Jäch, 2011
Species	Hydraena lassulipes Perkins, 2011
Species	Hydraena lata Kiesenwetter, 1849
Species	Hydraena laticollis Kuwert, 1892 ⇒ Hydraena (Hydraena) curta
Species	Hydraena latisoror Perkins, 2007
Species	Hydraena lazica Janssens, 1963
Species	Hydraena leechi Perkins, 1980
Species	Hydraena leei Jäch & Díaz, 1998
Species	Hydraena legorskyi Jäch & Brojer, 2012
Species	Hydraena lehmanni Jäch & Díaz, 2005
Species	Hydraena leprieuri Sainte-Claire Deville, 1905
Species	Hydraena levifurcata Perkins, 2017
Species	Hydraena ligulipes Jäch, 1988
Species	Hydraena lilianae Perkins, 2011
Species	Hydraena limbobesa Perkins, 2011
Species	Hydraena limpidicollis Perkins, 1980
Species	Hydraena liriope Orchymont, 1943
Species	Hydraena lodewyckxi Makhan, 1998
Species	Hydraena longicollis Sharp, 1882 Grand Junction camissonia
Species	Hydraena longiloba Perkins, 2017
Species	Hydraena longior Rey, 1885 ⇒ Hydraena (Hydraena) rufipes
Species	Hydraena longipalpis Marsham, 1802 ⇒ Hydraena (Hydraena) riparia
Species	Hydraena loripes Perkins, 2011
Species	Hydraena lotti Bilton, 2013
Species	Hydraena lubrica Perkins, 2017
Species	Hydraena lucernae Zwick, 1977
Species	Hydraena luminicollis Perkins, 2007
Species	Hydraena lycia Jäch, 1988
Species	Hydraena maculicollis Champion, 1920
Species	Hydraena maculopala Perkins, 2011
Species	Hydraena magna Pu, 1951
Species	Hydraena magnessa Jäch, 1997
Species	Hydraena magnetica Zwick, 1977
Species	Hydraena mahavavona Perkins, 2017
Species	Hydraena mahensis Scott, 1913
Species	Hydraena malagricola Jäch & Díaz, 2012
Species	Hydraena malkini Perkins, 1980
Species	Hydraena manabica Perkins, 2011
Species	Hydraena manaslu Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena manguao Freitag & Jäch, 2007
Species	Hydraena manjakatompo Perkins, 2017
Species	Hydraena manulea Perkins, 2011
Species	Hydraena manuloides Perkins, 2011
Species	Hydraena marawaka Perkins, 2011
Species	Hydraena marginicollis Kiesenwetter, 1849
Species	Hydraena margipallens Heer, 1841
Species	Hydraena mariannae Jäch, 1992
Species	Hydraena marinae Castro, 2003
Species	Hydraena maroccana Kaddouri, 1992 ⇒ Hydraena (Hydraena) allomorpha
Species	Hydraena marojejy Perkins, 2017
Species	Hydraena martensi Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena martinschoepfi Jäch & Díaz, 2005
Species	Hydraena maryae Jäch & Delgado, 2016
Species	Hydraena masatakai Jäch & Díaz, 2003
Species	Hydraena matthiasi Deler-Hernández, FikáÄ�ek & Delgado, 2017
Species	Hydraena matyoti Jäch & Delgado, 2016
Species	Hydraena maura IeniÕtea, 1985
Species	Hydraena maureenae Perkins, 1980
Species	Hydraena mauriciogarciai Perkins, 2011
Species	Hydraena mazamitla Perkins, 1980
Species	Hydraena melanocephala G. R. Waterhouse, 1833 ⇒ Hydraena (Hydraena) riparia
Species	Hydraena mercuriala Perkins, 2011
Species	Hydraena metzeni Perkins, 2007
Species	Hydraena mexicana Perkins, 1980
Species	Hydraena mianminica Perkins, 2011
Species	Hydraena michaelbalkei Jäch, Díaz & Skale, 2013
Species	Hydraena mignymixys Perkins, 1980
Species	Hydraena millenaria Perkins, 2022
Species	Hydraena millerorum Perkins, 2007
Species	Hydraena minima Laporte de Castelnau, 1840
Species	Hydraena miniretia Perkins, 2007
Species	Hydraena mintrita Perkins, 2011
Species	Hydraena mitchellensis Perkins, 2007
Species	Hydraena miyatakei Satô, 1959
Species	Hydraena modili Jäch, 1988
Species	Hydraena monikae Jäch & Díaz, 2000
Species	Hydraena monscassius Jäch, 1988
Species	Hydraena monteithi Perkins, 2007
Species	Hydraena montenegrina Pretner, 1970
Species	Hydraena monticola Rey, 1885 ⇒ Hydraena (Hydraena) gracilis
Species	Hydraena motzfeldi Skale & Jäch, 2011
Species	Hydraena mouzaiensis Sainte-Claire Deville, 1909
Species	Hydraena mpumalanga Perkins, 2014
Species	Hydraena muezziginea Jäch, 1988
Species	Hydraena multiarcuata Perkins, 2017
Species	Hydraena multiloba Perkins, 2011
Species	Hydraena multimurata Perkins, 2014
Species	Hydraena multispina Perkins, 2011
Species	Hydraena munda
Species	Hydraena mylasae Jäch, 1992
Species	Hydraena myrmidon Janssens, 1960 ⇒ Hydraena (Hydraena) subjuncta
Species	Hydraena naja Ribera, Hernando & Cieslak, 2019
Species	Hydraena namiae Jäch & Díaz, 2016
Species	Hydraena namibiensis Perkins, 2014
Species	Hydraena nanocolorata Perkins, 2011
Species	Hydraena nanopala Perkins, 2011
Species	Hydraena nanoscintilla Perkins, 2011
Species	Hydraena nanula Perkins, 2017
Species	Hydraena natiforma Perkins, 2014
Species	Hydraena neblina Perkins, 2011
Species	Hydraena needhami d´Orchymont, 1929 ⇒ Hydraena punctata
Species	Hydraena nelsonmandelai Makhan, 2008
Species	Hydraena neoaccurata Perkins, 2014
Species	Hydraena nevermanni Perkins, 1980
Species	Hydraena newtoni Perkins, 1980
Species	Hydraena nielshaggei Freitag & Jäch, 2007
Species	Hydraena nietschi Wanka, 1927
Species	Hydraena niger Hatch, 1965 ⇒ Hydraena nigra
Species	Hydraena nigra Hatch, 1965 Kern County larkspur
Species	Hydraena nigropicea G. R. Waterhouse, 1833 ⇒ Hydraena (Hydraena) riparia
Species	Hydraena nilguenae Jäch, 1988
Species	Hydraena nilotica Rey, 1886
Species	Hydraena nitidimenta Perkins, 2011
Species	Hydraena nivalis Jäch, 1992
Species	Hydraena nomenipes Perkins, 2014
Species	Hydraena notsui Satô, 1978 California rimula
Species	Hydraena novacula Perkins, 2011
Species	Hydraena numidica Sainte-Claire Deville, 1905
Species	Hydraena nupera d´Orchymont, 1931
Species	Hydraena nurabadensis Skale & Jäch, 2011
Species	Hydraena nuratauensis Jäch, 1994
Species	Hydraena oaxaca Perkins, 1980
Species	Hydraena obaei M.Hayashi & Yoshitomi, 2020
Species	Hydraena oblio Perkins, 1980
Species	Hydraena obscuriceps Pic, 1918
Species	Hydraena obscuripes Gerhardt, 1900 ⇒ Hydraena (Hydraena) gracilis
Species	Hydraena occidentalis Perkins, 1980
Species	Hydraena ofella J.Balfour-Browne, 1958
Species	Hydraena okapa Perkins, 2011
Species	Hydraena okinawensis Jäch & Díaz, 1999
Species	Hydraena olidipastoris Jäch, 1988
Species	Hydraena ollopa Perkins, 2011
Species	Hydraena optica Jäch & Díaz, 2012
Species	Hydraena orchid Jach & Diaz, 1998
Species	Hydraena orchis Jäch & Díaz, 1998
Species	Hydraena orchisa Perkins, 2017
Species	Hydraena orcula Perkins, 1980
Species	Hydraena ordishi Delgado & Palma, 1997
Species	Hydraena orientalis Breit, 1916
Species	Hydraena ortali Jäch, 1986
Species	Hydraena orthosia Jäch, Díaz & Dia in Jäch, Dia & Díaz, 2006
Species	Hydraena oscillata Perkins, 2017
Species	Hydraena otiarca Perkins, 2011
Species	Hydraena ovata Janssens, 1961
Species	Hydraena owenobesa Perkins, 2011
Species	Hydraena oxiana Janssens, 1974
Species	Hydraena ozarkensis Perkins, 1980
Species	Hydraena pacifica Perkins, 1980
Species	Hydraena pacificica Perkins, 2011
Species	Hydraena paeminosa Perkins, 1980
Species	Hydraena pagaluensis Hernando & Ribera, 2001
Species	Hydraena pagnetti Ganglbauer, 1901
Species	Hydraena pajarita Brojer & Jäch, 2011
Species	Hydraena pakistanica Jäch, 1992
Species	Hydraena pala Perkins, 2011
Species	Hydraena palamita Perkins, 2011
Species	Hydraena palawanensis Freitag & Jäch, 2007
Species	Hydraena pallida Donisthorpe, 1940
Species	Hydraena pallidipennis Laporte de Castelnau, 1840
Species	Hydraena pallidula Sainte-Claire Deville, 1909
Species	Hydraena pamirica Jäch, 1992
Species	Hydraena pamphylia Jäch & Díaz, 2001
Species	Hydraena pantanalensis Perkins, 2011
Species	Hydraena paraguayensis Janssens, 1972
Species	Hydraena parciplumea Perkins, 2007
Species	Hydraena particeps Perkins, 1980
Species	Hydraena parva Zwick, 1977
Species	Hydraena parvicollis Kuwert, 1890
Species	Hydraena parvipalpis Perkins, 2017
Species	Hydraena parvispinosa Perkins, 2017
Species	Hydraena parysatis Janssens, 1981
Species	Hydraena paucistriata Jäch & Díaz, 2000
Species	Hydraena paulmoritz Jäch, Díaz & Skale, 2013
Species	Hydraena pavicula Perkins, 1980
Species	Hydraena paxillipes Perkins, 2011
Species	Hydraena peckorum Perkins, 2011
Species	Hydraena pectenata Perkins, 2011
Species	Hydraena pedroaguilerai Perkins, 2011
Species	Hydraena pegopyga Perkins, 2011
Species	Hydraena pennsylvanica Kiesenwetter, 1849 ⇒ Hydraena pensylvanica
Species	Hydraena pensylvanica Kiesenwetter, 1849
Species	Hydraena pentarubra Perkins, 2017
Species	Hydraena penultimata Perkins, 2011
Species	Hydraena perkinsi Spangler, 1980
Species	Hydraena perlonga Balfour-Browne, 1950
Species	Hydraena pernambucana Benetti, Valladares, Delgado & Hamada, 2020
Species	Hydraena perparvula Kuwert, 1890 ⇒ Hydraena (Hydraena) pulchella
Species	Hydraena perpunctata Perkins, 2011
Species	Hydraena perpusilla Freitag & Hornyák, 2021
Species	Hydraena persica Janssens, 1981
Species	Hydraena pertransversa Perkins, 2011
Species	Hydraena peru Perkins, 1980
Species	Hydraena pesici Skale & Jäch, 2011
Species	Hydraena petila Perkins, 1980
Species	Hydraena phainops Perkins, 2011
Species	Hydraena philippi Jäch & Díaz, 2005
Species	Hydraena philyra Orchymont, 1944
Species	Hydraena phoenicia Jäch, Díaz & Dia in Jäch, Dia & Díaz, 2006
Species	Hydraena photogenica Perkins, 2011
Species	Hydraena pici Sainte-Claire Deville, 1905
Species	Hydraena picula Perkins, 2011
Species	Hydraena pilimera Brojer & Jäch, 2011
Species	Hydraena pilipes Zwick, 1977
Species	Hydraena pilobova Perkins, 2017
Species	Hydraena pilotumida Perkins, 2017
Species	Hydraena pilulambra Perkins, 2011
Species	Hydraena pisciforma Perkins, 2014
Species	Hydraena planata Kiesenwetter, 1849
Species	Hydraena plastica Orchymont, 1943	2	Subspecies
Species	Hydraena platycnemis Jäch, 1988
Species	Hydraena platynaspis Jäch, 1988
Species	Hydraena platysoma Janssens, 1968
Species	Hydraena plaumanni Orchymont, 1937
Species	Hydraena plenipennis Deane, 1933
Species	Hydraena pluralticola Perkins, 2011
Species	Hydraena plurifurcata Jäch & Díaz, 1998
Species	Hydraena pontequula Perkins, 1980
Species	Hydraena pontica Janssens, 1963
Species	Hydraena ponticola Janssens, 1968
Species	Hydraena porchi Perkins, 2007
Species	Hydraena porcula Jäch & Díaz, 1998
Species	Hydraena portai Knisch, 1924
Species	Hydraena praetermissa Jäch, 1987
Species	Hydraena premordica Perkins, 1980
Species	Hydraena prieto Perkins, 1980
Species	Hydraena princeps Fauvel, 1903
Species	Hydraena procera Ganglbauer, 1901
Species	Hydraena processa Perkins, 2011
Species	Hydraena proesei Skale & Jäch, 2011
Species	Hydraena profunda Perkins, 2014
Species	Hydraena prokini Jäch & Díaz, 2006
Species	Hydraena prolongata Fiori, 1904
Species	Hydraena propria Perkins, 2011
Species	Hydraena prusensis Jäch, 1992
Species	Hydraena pseudocirrata Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena pseudopalawanensis Freitag & Jäch, 2007
Species	Hydraena pseudoriparia Orchymont, 1945
Species	Hydraena puetzi Jäch, 1994
Species	Hydraena pugillista Perkins, 2007
Species	Hydraena pulsata d´Orchymont, 1931
Species	Hydraena pulsatrix Perkins, 1980
Species	Hydraena punctata LeConte, 1855 Calabura, Jamaica cherry, Strawberrytree
Species	Hydraena puncticollis Sharp, 1882 Grand Junction camissonia
Species	Hydraena punctilata Perkins, 2011
Species	Hydraena pusilla Heer, 1841 ⇒ Hydraena (Hydraena) nigrita
Species	Hydraena putearius Jäch & Díaz, 2000
Species	Hydraena quadrata Janssens, 1980
Species	Hydraena quadricurvipes Perkins, 1980
Species	Hydraena quadriplumipes Perkins, 2011
Species	Hydraena quatriloba Perkins, 2017
Species	Hydraena quechua Perkins, 1980
Species	Hydraena queenslandica Perkins, 2007
Species	Hydraena quintana Perkins, 2011
Species	Hydraena quirao Vidal, Camille.Go & Freitag, 2017
Species	Hydraena ramuensis Perkins, 2011
Species	Hydraena ramuquintana Perkins, 2011
Species	Hydraena ranarilalatianai Perkins, 2017
Species	Hydraena randriamihajai Perkins, 2017
Species	Hydraena ranomafana Perkins, 2017
Species	Hydraena ravoandrina Perkins, 2017
Species	Hydraena receptiva Perkins, 2011
Species	Hydraena reflectiva Perkins, 2014
Species	Hydraena reflexa Rey, 1884
Species	Hydraena regimbarti Zaitzev, 1908
Species	Hydraena regularis Rey, 1885 ⇒ Hydraena (Hydraena) subsequens
Species	Hydraena reidiana ♰ Lesne, 1920
Species	Hydraena remulipes Perkins, 2011
Species	Hydraena renalisa Perkins, 2017
Species	Hydraena reticulata Zwick, 1977
Species	Hydraena reticulobesa Perkins, 2011
Species	Hydraena reticuloides Perkins, 2007
Species	Hydraena reticulositis Perkins, 2007
Species	Hydraena revelovela Perkins, 2007
Species	Hydraena reverberata Perkins, 2011
Species	Hydraena rhinoceros Janssens, 1972
Species	Hydraena riberai Jäch, Aguilera, & Hernando, 1998
Species	Hydraena richardimbi Jäch, 1992
Species	Hydraena rigua Orchymont, 1931
Species	Hydraena ripaeaureae Janssens, 1972
Species	Hydraena rivularis Guillebeau, 1896
Species	Hydraena robusta Zwick, 1977
Species	Hydraena rosannae Audisio, Trizzino & De Biase in Audisio & al., 2009
Species	Hydraena rubridentata Perkins, 2017
Species	Hydraena rubrifurcata Perkins, 2017
Species	Hydraena rudallensis Blackburn, 1896
Species	Hydraena ruinosa Zwick, 1977
Species	Hydraena rukiyeae Kasapoglu, Jäch & Skale, 2010
Species	Hydraena sabella Perkins, 1980
Species	Hydraena sagatai Perkins, 2011
Species	Hydraena sahlbergi Orchymont, 1923
Species	Hydraena sainte-clairei Orchymont, 1934
Species	Hydraena sainteclairei d´Orchymont, 1934 ⇒ Hydraena (Hydraena) inapicipalpis
Species	Hydraena saluta Perkins, 2011
Species	Hydraena sanagergelyae Brojer & Jäch, 2011
Species	Hydraena sancti-montis E.Janssens, 1960
Species	Hydraena sanctimontis Janssens, 1960
Species	Hydraena sanvicentensis Vidal, Camille.Go & Freitag, 2017
Species	Hydraena saotometerrestris Bilton, 2023
Species	Hydraena satoi Jäch & Díaz, 1999
Species	Hydraena sautakei Jäch & Díaz, 1999
Species	Hydraena sauteri Orchymont, 1913
Species	Hydraena scabra Orchymont, 1925
Species	Hydraena scabrosa Orchymont, 1931
Species	Hydraena schawalleri Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena schilfii Jäch, 1988
Species	Hydraena schillhammeri Jäch, 1988
Species	Hydraena schmidi Jäch & Díaz, 2001
Species	Hydraena schoedli Jäch, 1992
Species	Hydraena schoenmanni Jäch, 1988
Species	Hydraena schubertorum Jäch & Díaz, 2001
Species	Hydraena schuelkei Jäch, 1992
Species	Hydraena scintilla Perkins, 1980
Species	Hydraena scintillabella Perkins, 1980
Species	Hydraena scintillamima Perkins, 2011
Species	Hydraena scintillapicta Perkins, 2011
Species	Hydraena scintillarca Perkins, 2011
Species	Hydraena scintillutea Perkins, 1980
Species	Hydraena scolops Perkins, 1980
Species	Hydraena scopula Perkins, 1980
Species	Hydraena sculponea Perkins, 2017
Species	Hydraena scythica Janssens, 1974
Species	Hydraena sebastiani Perkins, 2014
Species	Hydraena selecta Deane, 1933
Species	Hydraena sepikramuensis Perkins, 2011
Species	Hydraena septemlacuum Jäch, 1992	2	Subspecies
Species	Hydraena septentrionalis Pretner, 1931
Species	Hydraena serpentina Jäch, 1988
Species	Hydraena serripennis Perkins, 2017
Species	Hydraena sexarcuata Perkins, 2011
Species	Hydraena sexsuprema Perkins, 2011
Species	Hydraena sharmai Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena shorti Perkins, 2011
Species	Hydraena sidon Jäch, Díaz & Dia in Jäch, Dia & Díaz, 2006
Species	Hydraena sieboldii Rosenhauer, 1847
Species	Hydraena sierra Perkins, 1980
Species	Hydraena signata Rey, 1886 ⇒ Hydraena (Hydraena) assimilis
Species	Hydraena simplicata Perkins, 2017
Species	Hydraena simplicicollis Blackburn, 1896
Species	Hydraena simplipes Zwick, 1977
Species	Hydraena singaporensis Jäch, Díaz & Skale, 2013
Species	Hydraena sinope Jäch, 1992
Species	Hydraena sinuaticollis Wollaston, 1864
Species	Hydraena sinuatipes Perkins, 2017
Species	Hydraena socius Jäch & Díaz, 1999
Species	Hydraena solodovnikovi Jäch & Díaz, 2006
Species	Hydraena sordida Sharp, 1882 Grand Junction camissonia
Species	Hydraena spangleri Perkins, 1980
Species	Hydraena spatula Perkins, 2011
Species	Hydraena spinissima Perkins, 2007
Species	Hydraena spinobesa Perkins, 2011
Species	Hydraena splecoma Perkins, 1980
Species	Hydraena spurcatipalpis Heer, 1841
Species	Hydraena squalida Orchymont, 1932
Species	Hydraena stefani Jäch & Díaz, 2005
Species	Hydraena steineri Perkins, 2011
Species	Hydraena stellula Perkins, 2011
Species	Hydraena sternalis Rey, 1893 ⇒ Hydraena (Hydraena) melas
Species	Hydraena storeyi Perkins, 2007
Species	Hydraena striatus Castelnau, 1840
Species	Hydraena striolata Perkins, 2011
Species	Hydraena subdeficiens Rey, 1885 ⇒ Hydraena (Hydraena) assimilis
Species	Hydraena subdepressa Rey, 1886 ⇒ Hydraena (Hydraena) angulosa
Species	Hydraena subgrandis Jäch, 1988
Species	Hydraena sublamina Orchymont, 1945
Species	Hydraena sublapsa Orchymont, 1945
Species	Hydraena supersexa Perkins, 2011
Species	Hydraena supina Perkins, 2011
Species	Hydraena szechuanensis Pu, 1951
Species	Hydraena takin Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena takutu Perkins, 2011
Species	Hydraena tarsotricha Perkins, 2011
Species	Hydraena tauricola Jäch, 1988
Species	Hydraena taxila Janssens, 1962
Species	Hydraena tekmanensis Jäch, Skale & KasapoÄŸlu, 2011
Species	Hydraena tenjikuana Satô, 1979
Species	Hydraena tenuis Janssens, 1980
Species	Hydraena tenuisella Perkins, 2007
Species	Hydraena tenuisoror Perkins, 2007
Species	Hydraena terebrans Jäch, 1992
Species	Hydraena terraevastatae Jäch, 1988 ⇒ Hydraena khnzoriani
Species	Hydraena terralta Perkins, 1980
Species	Hydraena tetana Perkins, 2011
Species	Hydraena textila Perkins, 2007
Species	Hydraena thienemanni Orchymont, 1932
Species	Hydraena thola Perkins, 2011
Species	Hydraena tholasoris Perkins, 2011
Species	Hydraena thumbelina Perkins, 2011
Species	Hydraena thumbelipes Perkins, 2011
Species	Hydraena thyene Balfour-Browne, 1958
Species	Hydraena tiara Perkins, 2014
Species	Hydraena tibiodentipes Perkins, 2017
Species	Hydraena tibiopaca Perkins, 2011
Species	Hydraena tobogan Perkins, 2011
Species	Hydraena torosopala Perkins, 2011
Species	Hydraena torquata Perkins, 2017
Species	Hydraena torrensi Blackburn, 1888
Species	Hydraena torricellica Perkins, 2011
Species	Hydraena transvallis Perkins, 2011
Species	Hydraena trapezoidalis Zwick, 1977
Species	Hydraena trapezuntina Janssens, 1963
Species	Hydraena triaequalis Perkins, 2017
Species	Hydraena tricantha Zwick, 1977
Species	Hydraena trichotarsa Perkins, 2011
Species	Hydraena tricosipes Perkins, 2011
Species	Hydraena tridigita Perkins, 2011
Species	Hydraena tridisca Perkins, 2007
Species	Hydraena triloba Perkins, 2007
Species	Hydraena trinidensis Perkins, 1980
Species	Hydraena triparamera Jäch, 1982
Species	Hydraena tripartita Perkins, 2017
Species	Hydraena tritropis Perkins, 2011
Species	Hydraena tritutela Perkins, 2011
Species	Hydraena tsushimaensis Jäch & Díaz, 2012
Species	Hydraena tubuliphallis Jäch, 1982
Species	Hydraena tucumanica Perkins, 1980
Species	Hydraena tuolumne Perkins, 1980
Species	Hydraena turcica Janssens, 1965
Species	Hydraena turneri Bilton, 2023
Species	Hydraena turrialba Perkins, 1980
Species	Hydraena tyrolensis Janssens, 1967 ⇒ Hydraena (Hydraena) heterogyna
Species	Hydraena ulna Perkins, 2011
Species	Hydraena umbolenta Perkins, 2011
Species	Hydraena undevigintioctogintasisyphos Jäch & Díaz, 2005
Species	Hydraena undulata Jäch & Díaz, 1998
Species	Hydraena uniforma Perkins, 2014
Species	Hydraena unita Perkins, 2011
Species	Hydraena upsilonica Perkins, 2017
Species	Hydraena uzbekistanica Jäch, 1994
Species	Hydraena vadosa Perkins, 2014
Species	Hydraena valentini Jäch & Díaz, 2012
Species	Hydraena valladaresi Lagar & Fresneda, 1990 ⇒ Hydraena (Hydraena) barrosi
Species	Hydraena vandykei Orchymont, 1923
Species	Hydraena variopaca Perkins, 2011
Species	Hydraena vela Perkins, 1980
Species	Hydraena velvetina Perkins, 2011
Species	Hydraena venezuela Perkins, 2011
Species	Hydraena verberans Jäch & Díaz, 2006
Species	Hydraena verstraeteni Ferro, 1984
Species	Hydraena victoriae Jäch & Díaz, 1999
Species	Hydraena vietnamensis Janssens, 1972
Species	Hydraena virginalis Janssens, 1963
Species	Hydraena vladimiri Jäch & Díaz, 2016
Species	Hydraena vulgaris Jäch & Díaz, 2000
Species	Hydraena waldheimi Jäch, 1987
Species	Hydraena wangi Jäch & Díaz, 1998
Species	Hydraena wangmiaoi Jäch & Díaz, 2005
Species	Hydraena watanabei Jäch & Satô, 1988
Species	Hydraena wattsi Perkins, 2007
Species	Hydraena weigeli Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena weiri Perkins, 2007
Species	Hydraena wencke Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena wewalkai Jäch, 1988
Species	Hydraena williamsensis Deane, 1931
Species	Hydraena wittmeri Satô, 1979
Species	Hydraena wolfi Skale & Jäch in Jäch & Skale, 2009
Species	Hydraena wrasei Jäch, 1992
Species	Hydraena xingu Perkins, 2011
Species	Hydraena yangae Jäch, Díaz & Skale, 2013
Species	Hydraena yonaguniensis Jäch & Díaz, 2003
Species	Hydraena yosemitensis Perkins, 1980
Species	Hydraena yoshitomii Jäch & Díaz, 1999
Species	Hydraena youngi Perkins, 1980
Species	Hydraena ypsilon Zwick, 1977
Species	Hydraena yunnanensis Pu, 1942
Species	Hydraena zapatina Perkins, 1980
Species	Hydraena zelandica Ordish, 1984
Species	Hydraena zetteli Freitag & Jäch, 2007
Species	Hydraena zimbabwensis Perkins, 2014
Species	Hydraena zwicki Perkins, 2007

Synonyms

Grammhydraena (Kuwert, 1888)

Hadrenya (Rey, 1884)

Haenydra (Rey, 1884)

Holcohydraena (Kuwert, 1888)

Hoplydraena (Kuwert, 1888)

Hydraenopsis (Janssens, 1972)

Phothydraena (Kuwert, 1888)

Sphaenhydraena (Kuwert, 1888)

Taenhydraena (Kuwert, 1888)

Distribution of Hydraena Kugelann, 1794

Afghanistan, Albania, Algeria, Angola, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Barbados, Belarus, Belgium, Belize, Bhutan, Bolivia, Bosnia and Herzegovina, Brazil, Bulgaria, Burundi, Cambodia, Canada, Cape Verde, China, Colombia, Comoros, Costa Rica, Croatia, Cuba, Cyprus, Czech Republic, Democratic Republic of the Congo, Denmark, Djibouti, Dominica, Ecuador, Egypt, Equatorial Guinea, Estonia, Ethiopia, Finland, France, Gabon, Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Honduras, Hungary, Iceland, India, Indonesia, Iran, Ireland, Israel, Italy, Jamaica, Japan, Kazakhstan, Kenya, Laos, Lebanon, Lesotho, Liechtenstein, Luxembourg, Madagascar, Malaysia, Mauritius, Mexico, Montenegro, Morocco, Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, Norway, Oman, Pakistan, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Poland, Portugal, Republic South Africa, Romania, Russia, Saint Lucia, Saudi Arabia, Serbia, Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, Solomon Islands, Spain, Sri Lanka, Sudan, Suriname, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Thailand, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Uganda, Ukraine, United Arab Emirates, United Kingdom, USA, Uzbekistan, Venezuela, Vietnam, Yemen, Zimbabwe

Distribution on islands

Euboea, Orkney Islands

Links, sources and further information

Hydraena at artfakta.se
Hydraena at gbif.org
Hydraena at gbif.org
Hydraena at irmng.org
Hydraena at itis.gov