平唇水龟甲属
下属物种

Hydraena abbasigili Jäch, 1988
Hydraena abdita Orchymont, 1948
Hydraena abyssinica Régimbart, 1905
Hydraena accurata Orchymont, 1948
Hydraena achaica Jäch, 1995
Hydraena acicula Perkins, 2017
Hydraena acumena Perkins, 2011
Hydraena adelbertensis Perkins, 2011
Hydraena adrastea Orchymont, 1948
Hydraena aethaliensis Breit, 1917
Hydraena affirmata Perkins, 2007
Hydraena affusa Orchymont, 1936
非洲细牙虫 Hydraena africana Kuwert, 1888
Hydraena akameku Perkins, 2011
Hydraena (Hydraena) akbesiana (Audisio, De Biase & Jäch, 1993)
Hydraena albai Sáinz-Cantero, 1993
Hydraena alberti J.Balfour-Browne, 1950
Hydraena alcantarana Ieniştea, 1985
Hydraena algerina Kaddouri, 1992
Hydraena alia Orchymont, 1934
Hydraena aliciae Jäch & Díaz, 2005
Hydraena allomorpha Lagar & Fresneda, 1990
Hydraena alluaudi Régimbart, 1906
Hydraena alpicola Pretner, 1931
Hydraena (Hydraena) altamirensis Díaz & Garrido, 1993
Hydraena altapapua Perkins, 2011
Hydraena alternata Perkins, 1980
Hydraena alterra Perkins, 1980
Hydraena (Hydraena) alticola Skale & Jäch, 2006
Hydraena altiphila Perkins, 2011
Hydraena amazonica Perkins, 2011
Hydraena ambiflagellata Zwick, 1977
Hydraena ambigua Ganglbauer, 1901
Hydraena ambiosina Perkins, 2007
Hydraena ambohitantely Perkins, 2017
Hydraena ambra Perkins, 2011
Hydraena ambripes Perkins, 2011
Hydraena ambroides Perkins, 2011
Hydraena americana Jäch, 1993
Hydraena amidensis Jäch, 1988
Hydraena ampla Perkins, 2011
Hydraena amplexa Perkins, 2017
Hydraena amplipunctata Perkins, 2017
Hydraena anaphora Perkins, 1980
Hydraena (Hydraena) anatolica E.Janssens, 1963
Hydraena ancylis Perkins, 1980
Hydraena ancyrae Jäch, 1992
Hydraena andalusa Lagar & Fresneda, 1990
Hydraena andranomena Perkins, 2017
Hydraena andreinii Orchymont, 1934
Hydraena angelitofelipepunoi Freitag & Hornyák, 2021
Hydraena angulicollis Notman, 1921
Hydraena angulosa Mulsant, 1844
Hydraena angustata Sturm, 1836
Hydraena anisonycha Perkins, 1980
Hydraena antaria Perkins, 2007
Hydraena antiatlantica Jäch, Aguilera & Hernando, 1998
Hydraena antiochena Jäch, 1988
Hydraena antsahabe Perkins, 2017
Hydraena apertista Perkins, 2011
Hydraena apexa Perkins, 2011
Hydraena appalachicola Perkins, 1980
Hydraena appetita Perkins, 2007
Hydraena aquila Perkins, 2011
Hydraena arabica J.Balfour-Browne, 1951
Hydraena arachthi Ferro & Jäch, 2000
Hydraena arcta Perkins, 2007
Hydraena arenicola Perkins, 1980
Hydraena argutipes Perkins, 1980
Hydraena (Hydraena) ariana E.Janssens, 1962
Hydraena arizonica Perkins, 1980
Hydraena armata Reitter, 1881
Hydraena armatura Perkins, 2014
Hydraena (Hydraena) armeniaca E.Janssens, 1968
Hydraena armipalpis Jäch & Díaz, 2000
Hydraena armipes Rey, 1885
Hydraena (Hydraena) aroensis (Ferro, 1992)
Hydraena arta Perkins, 2017
Hydraena arunensis Skale & Jäch, 2009
Hydraena ascensa Perkins, 2007
Hydraena assimilis Rey, 1885
Hydraena ateneo Freitag, 2013
Hydraena athertonica Perkins, 2007
Hydraena atlantica Perkins, 1980
Hydraena atrata Desbrochers des Loges, 1891
Hydraena atroscintilla Perkins, 2011
Hydraena attaleiae Ferro, 1984
Hydraena audisioi Jäch, 1992
Hydraena aulaarta Perkins, 2011
Hydraena aurita Jäch, 1988
Hydraena australica Zwick, 1977
Hydraena australula Perkins, 2007
Hydraena austrobesa Perkins, 2011
Hydraena avuncula Jäch, 1988
Hydraena bacchusi Perkins, 2011
Hydraena (Hydraena) bactriana E.Janssens, 1962
Hydraena bahiana Benetti, Valladares, Delgado & Hamada, 2022
Hydraena bakriensis Skale & Jäch, 2011
Hydraena balearica Orchymont, 1930
Hydraena balfourbrownei Bameul, 1986
Hydraena balkei Perkins, 2011
Hydraena balli Orchymont, 1940
Hydraena barbipes Zwick, 1977
Hydraena barricula Perkins, 1980
Hydraena barrosi Orchymont, 1934
Hydraena bedeli Berthélemy, 1992
Hydraena belgica Orchymont, 1930
Hydraena beniensis Perkins, 2011
Hydraena benjaminus Jäch & Díaz, 2006
Hydraena bensae Ganglbauer, 1901
Hydraena bergeri (E.Janssens, 1972)
Hydraena bergsteni Perkins, 2017
Hydraena (Hydraena) berthelemyana Jäch, Dia & Díaz, 2006
Hydraena berytus Jäch, 1986
Hydraena beyarslani Jäch, 1988
Hydraena bicarina Perkins, 2014
Hydraena bicarinova Perkins, 2011
Hydraena bicolorata Jäch, 1997
Hydraena bicuspidata Ganglbauer, 1901
Hydraena bidefensa Perkins, 2007
Hydraena bifunda Perkins, 2011
Hydraena bihamata Champion, 1920
Hydraena biimpressa Perkins, 2007
Hydraena billi Zwick, 1977
溪头细牙虫 Hydraena bilobata Jäch & Díaz, 1998
Hydraena biltoni Jäch & Díaz, 2012
Hydraena bimagua Jäch, 1986
Hydraena birendra Skale & Jäch, 2009
Hydraena biseptosa Perkins, 2014
Hydraena bisinuata Perkins, 2017
Hydraena bisinuloba Perkins, 2017
Hydraena bispica Perkins, 2017
Hydraena bispinosa Pu & Zhe-Long, 1951
Hydraena bisulcata Rey, 1884
Hydraena bitruncata Orchymont, 1934
Hydraena bituberculata Perkins, 1980
Hydraena biundulata Perkins, 2011
Hydraena blackburni Zaitzev, 1908
Hydraena blancae Deler-Hernández, Fikáček & Delgado, 2017
Hydraena bodemeyeri Jäch & Díaz, 2001
Hydraena boetcheri Orchymont, 1932
Hydraena bolivari Orchymont, 1936
Hydraena boliviana Perkins, 2011
Hydraena bononiensis Binaghi, 1960
Hydraena (Hydraena) bononiensis Chiesa, 1958
Hydraena borbonica Fairmaire, 1898
Hydraena bosnica Apfelbeck, 1909
Hydraena brachymera Orchymont, 1936
Hydraena bractea Perkins, 1980
Hydraena bractoides Perkins, 1980
Hydraena brahman Perkins, 2011
Hydraena brahmin Perkins, 2011
Hydraena breedlovei Perkins, 1980
Hydraena breviceps Perkins, 2017
Hydraena brevis Sharp, 1882
Hydraena britteni Joy, 1907
Hydraena brittoni Zwick, 1977
Hydraena bromleyae Jäch, 1986
Hydraena browni Perkins, 1980
Hydraena bubi Hernando & Ribera, 2017
Hydraena bubulla Perkins, 2011
Hydraena bucollis Perkins, 2017
Hydraena bulgarica Breit, 1916
Hydraena buloba Perkins, 2011
Hydraena buquintana Perkins, 2011
Hydraena buschietanni Freitag & Hornyák, 2021
Hydraena buscintilla Perkins, 2011
Hydraena busuanga Freitag & Jäch, 2007
Hydraena (Hydraena) calcarifera E.Janssens, 1959
加州细牙虫 Hydraena californica Perkins, 1980
Hydraena cameroancylis Perkins, 2022
Hydraena cameroarida Perkins, 2022
Hydraena camerobuloba Perkins, 2022
Hydraena camerocameola Perkins, 2022
Hydraena camerocarinata Perkins, 2022
Hydraena cameroclandestina Perkins, 2022
Hydraena camerocompacta Perkins, 2022
Hydraena camerocomplexa Perkins, 2022
Hydraena camerocompressa Perkins, 2022
Hydraena cameroconcava Perkins, 2022
Hydraena cameroconfinis Perkins, 2022
Hydraena camerocontinua Perkins, 2022
Hydraena camerocontrasta Perkins, 2022
Hydraena cameroconvexa Perkins, 2022
Hydraena camerocordata Perkins, 2022
Hydraena camerocorona Perkins, 2022
Hydraena camerocrebrata Perkins, 2022
Hydraena camerocubita Perkins, 2022
Hydraena camerocurvata Perkins, 2022
Hydraena camerodidacta Perkins, 2022
Hydraena camerodigita Perkins, 2022
Hydraena cameroflagellata Perkins, 2022
Hydraena camerofoveata Perkins, 2022
Hydraena camerojocula Perkins, 2022
Hydraena camerolatula Perkins, 2022
Hydraena cameroovala Perkins, 2022
Hydraena cameropalmula Perkins, 2022
Hydraena cameropetila Perkins, 2022
Hydraena cameroradiata Perkins, 2022
Hydraena camerosemicordata Perkins, 2022
Hydraena camerosetosa Perkins, 2022
Hydraena camerosicula Perkins, 2022
Hydraena campbelli Perkins, 1980
Hydraena (Hydraena) canakcioglui E.Janssens, 1965
Hydraena canticacollis Perkins, 1980
Hydraena capacis Perkins, 2007
Hydraena capensis Perkins, 2014
Hydraena capetribensis Perkins, 2007
Hydraena cappadocica Jäch, 1988
Hydraena caprivica Perkins, 2014
Hydraena capta Orchymont, 1936
Hydraena carbonaria Kiesenwetter, 1849
Hydraena carica Jäch, 1988
Hydraena carinocisiva Perkins, 2011
Hydraena carinulata Rey, 1885
Hydraena carmellita Perkins, 2011
Hydraena carniolica Pretner, 1970
Hydraena casacolumna Perkins, 2017
Hydraena castanea Deane, 1937
Hydraena castanescens Freitag & Jäch, 2007
Hydraena (Hydraena) cata Orchymont, 1943
Hydraena catalonica Fresneda, Aguilera & Hernando, 1994
Hydraena catherinae Bameul & Jäch, 2001
Hydraena caucasica Kuwert, 1888
Hydraena cavifrons Perkins, 2011
Hydraena cephalleniaca Jäch, 1985
Hydraena cervisophila Jäch, 1992
Hydraena challeti Perkins, 2011
Hydraena cheesmanae Perkins, 2011
Hydraena chenae Pu & Zhe-Long, 1951
Hydraena chersonesica Jäch, Díaz & Przewoźny, 2007
Hydraena cherylbarrae Perkins, 2011
Hydraena chiapa Perkins, 1980
Hydraena (Hydraena) chiesai E.Janssens, 1965
Hydraena chifengi Jäch & Díaz, 1999
Hydraena chobauti Guillebeau, 1896
Hydraena christinae Audisio, De Biase & Jäch, 1996
Hydraena christoferi Jäch & Díaz, 2005
Hydraena ciliciensis Jäch, 1988
Hydraena circulata Perkins, 1980
Hydraena cirrata Champion, 1920
Hydraena (Hydraena) cirratoides E.Janssens, 1980
Hydraena clarinis Perkins, 2011
Hydraena claudia Freitag & Jäch, 2007
Hydraena clavicula Perkins, 2014
Hydraena clavigera Zwick, 1977
Hydraena clavulata Perkins, 2017
Hydraena clemens Jäch & Díaz, 2006
Hydraena clinodorsa Perkins, 2011
Hydraena clystera Perkins, 2011
Hydraena cochabamba Perkins, 2011
Hydraena (Hydraena) colchica E.Janssens, 1963
Hydraena colombiana Perkins, 1980
Hydraena colorata Perkins, 2011
Hydraena colymba Perkins, 1980
Hydraena compacta Perkins, 2017
伏毛细牙虫 Hydraena compressipilis Jäch & Díaz, 1998
Hydraena concepcionica Perkins, 2011
Hydraena concinna Orchymont, 1932
Hydraena confluenta Perkins, 2011
Hydraena confusa Pu & Zhe-Long, 1951
Hydraena connexa Orchymont, 1932
Hydraena contorta Perkins, 2017
Hydraena contracolorata Perkins, 2017
Hydraena converga Perkins, 2007
Hydraena coomani Orchymont, 1932
Hydraena coopei Angus, 1997
Hydraena cooperi J.Balfour-Browne, 1954
Hydraena cooperoides Perkins, 2014
Hydraena copulata Perkins, 2011
Hydraena (Hydraena) cordata L.W.Schaufuss, 1883
Hydraena cordiformis Jäch & Díaz, 2000
Hydraena cordispina Perkins, 2011
Hydraena corinna Orchymont, 1936
Hydraena cornelli Jäch & Díaz, 1998
Hydraena corrugis Orchymont, 1934
Hydraena coryleti Jäch, 1992
Hydraena costiniceps Perkins, 1980
Hydraena crepidoptera Jäch, 1992
Hydraena cristatigena Jäch & Díaz, 2000
Hydraena croatica Kuwert, 1888
Hydraena cryptostoma Jäch, 1992
Hydraena crystallina Perkins, 1980
Hydraena cubista Perkins, 2007
Hydraena cultrata Perkins, 2007
Hydraena cunicula Perkins, 2011
Hydraena cunninghamensis Perkins, 2007
Hydraena curta Kiesenwetter, 1849
卵身细牙虫 Hydraena curtipalpis Jäch & Díaz, 1998
Hydraena curvipes Jäch & Díaz, 2012
Hydraena curvosa Perkins, 2011
Hydraena cuspidicollis Perkins, 1980
Hydraena cyclops Jäch & Díaz, 2000
Hydraena cygnus Zwick, 1977
Hydraena (Hydraena) czernohorskyi J.Müller, 1911
Hydraena d-concava Perkins, 2011
Hydraena d-destina Perkins, 1980
Hydraena dalmatina Ganglbauer, 1901
Hydraena damascena Pic, 1910
Hydraena dariensis Perkins, 2011
Hydraena darwini Perkins, 2007
Hydraena debeckeri (E.Janssens, 1972)
Hydraena decepta Perkins, 2011
Hydraena decipiens Zwick, 1977
Hydraena decolor Sainte-Claire Deville, 1903
Hydraena decui Spangler, 1980
Hydraena (Hydraena) delia J.Balfour-Browne, 1979
Hydraena deliquesca Perkins, 2007
Hydraena delvasi Delgado & Collantes, 1996
Hydraena densa Fauvel, 1883
Hydraena dentipalpis Reitter, 1888
Hydraena dentipes Germar, 1842
Hydraena devillei Ganglbauer, 1901
Hydraena devincta Orchymont, 1940
Hydraena diadema Perkins, 2011
Hydraena diazi Trizzino, Jäch & Ribera, 2011
Hydraena diffusa Perkins, 2011
Hydraena dilutipes Fairmaire, 1898
Hydraena dilutipoides Perkins, 2017
Hydraena dimorpha Orchymont, 1922
Hydraena (Hydraena) dinarica Freitag & Vries, 2021
Hydraena dinosaurophila Jäch, 1994
Hydraena discicollis Fairmaire, 1898
Hydraena discreta Ganglbauer, 1904
Hydraena disparamera Perkins, 2007
Hydraena divisa Perkins, 2017
Hydraena dochula Skale & Jäch, 2009
Hydraena (Hydraena) dolichogaster E.Janssens, 1965
Hydraena dorrigoensis Perkins, 2007
Hydraena draconisaurati Jäch & Díaz, 2005
Hydraena dudgeoni Perkins, 2011
Hydraena duodecimata Perkins, 2014
Hydraena duohamata Perkins, 2011
Hydraena ebriimadli Jäch, 1988
Hydraena ecuadormica Perkins, 2011
Hydraena egoni Jäch, 1986
Hydraena eichleri Orchymont, 1937
Hydraena einsteini Perkins, 2011
Hydraena elementaria Perkins, 2017
Hydraena elephanta Perkins, 2014
Hydraena elisabethae Jäch, 1992
Hydraena eliya Jäch, 1982
Hydraena emarginata Rey, 1885
Hydraena (Hydraena) emineae Jäch & Kasapoğlu, 2006
Hydraena epeirosi Ferro, 1985
Hydraena epipleurata Perkins, 2017
Hydraena errina Orchymont, 1948
Hydraena erythraea Régimbart, 1905
Hydraena eryx Orchymont, 1948
Hydraena esquinita Brojer & Jäch, 2011
Hydraena essentia Perkins, 2011
Hydraena (Hydraena) euboia Jäch & Díaz, 2016
Hydraena (Hydraena) eucnemis E.Janssens, 1971
Hydraena evanescens Rey, 1884
Hydraena evansi J.Balfour-Browne, 1945
Hydraena exarata Kiesenwetter, 1866
Hydraena exasperata Orchymont, 1935
Hydraena excisa Kiesenwetter, 1849
Hydraena exhalista Perkins, 2011
Hydraena exilipes Perkins, 1980
Hydraena expedita Skale & Jäch, 2009
Hydraena explanata Pic, 1905
Hydraena extorris Zwick, 1977
Hydraena falcata Jäch, 1992
Hydraena farsensis Skale & Jäch, 2011
Hydraena fasciata Perkins, 2011
Hydraena fascinata Perkins, 2011
Hydraena fasciola Perkins, 2011
Hydraena fasciolata Perkins, 2011
Hydraena fasciopaca Perkins, 2011
Hydraena favulosa Perkins, 2014
Hydraena fenestella Perkins, 2011
Hydraena ferethula Perkins, 2007
Hydraena feryi Skale & Jäch, 2011
Hydraena feuerborni Orchymont, 1932
斐济细牙虫 Hydraena fijiensis J.Balfour-Browne, 1945
Hydraena (Hydraena) filum J.Sahlberg, 1908
Hydraena finita Orchymont, 1943
Hydraena finki Skale & Jäch, 2009
Hydraena finniganensis Perkins, 2007
Hydraena fiorii Porta, 1899
Hydraena fischeri Schönmann, 1991
Hydraena flagella Perkins, 2011
Hydraena fluvicola (Perkins, 1980)
Hydraena foliobba Perkins, 2011
Hydraena fontana Orchymont, 1932
Hydraena fontiscarsavii (Jäch, 1988)
Hydraena formosapala Perkins, 2011
Hydraena formosopala Perkins, 2011
Hydraena formula Orchymont, 1932
Hydraena forticollis Perkins, 2007
Hydraena fortipes Perkins, 2017
Hydraena fosterorum Trizzino, Jäch & Ribera, 2011
Hydraena franklyni Deler-Hernández & Delgado, 2012
Hydraena freitagi Skale & Jäch, 2009
Hydraena frenzeli Skale & Jäch, 2008
Hydraena fritzi Jäch, 1992
Hydraena frondsicola (Perkins, 1980)
Hydraena fulgidicollis Perkins, 2017
Hydraena funda Perkins, 2011
Hydraena fundacta Perkins, 2011
Hydraena fundaequalis Perkins, 2007
Hydraena fundapta Perkins, 2011
Hydraena fundarca Perkins, 2011
Hydraena fundata Perkins, 2007
Hydraena fundextra Perkins, 2011
Hydraena furcula Perkins, 2017
Hydraena furthi Jäch, 1982
Hydraena gaditana Lagar & Fresneda, 1990
Hydraena (Hydraena) galatica E.Janssens, 1971
Hydraena galea Perkins, 2011
Hydraena (Hydraena) gattolliati Jäch & Delgado, 2010
Hydraena gavarrensis Jäch, Díaz & Martinoy, 2005
Hydraena geminya Perkins, 1980
Hydraena genumorpha Perkins, 2014
Hydraena genuvela Perkins, 2017
Hydraena georgiadesi Orchymont, 1931
Hydraena geraldneuhauseri Jäch & Díaz, 2006
Hydraena gereckei Perkins, 2017
Hydraena germaini Orchymont, 1923
Hydraena glassmani Jäch, 1986
Hydraena gnatella Orchymont, 1945
Hydraena gnatelloides Orchymont, 1945
Hydraena goldschmidti Perkins, 2017
Hydraena gracilidelphis Trizzino, Valladares, Garrido & Audisio, 2012
Hydraena gracilis Germar, 1823
Hydraena graciloides (Jäch, 1988)
Hydraena grandis Reitter, 1885
Hydraena graphica Orchymont, 1931
Hydraena grata Orchymont, 1944
Hydraena grebennikovi Hernando & Ribera, 2017
Hydraena gregalis Orchymont, 1944
Hydraena gressa Orchymont, 1944
Hydraena griphus Orchymont, 1944
Hydraena grouvellei Orchymont, 1923
Hydraena grueberi Skale & Jäch, 2009
Hydraena guadelupensis Orchymont, 1923
广西细牙虫 Hydraena guangxiensis Jäch & Díaz, 2005
Hydraena guatemala Perkins, 1980
Hydraena guentheri Jäch, 1992
Hydraena guilin Jäch & Díaz, 2005
Hydraena gynaephila Jäch, 1997
Hydraena habitiva Perkins, 2014
Hydraena hainzi Jäch, 1988
Hydraena haitensis Perkins, 1980
Hydraena hajeki Skale & Jäch, 2011
Hydraena hamifera Zwick, 1977
Hydraena hansreuteri Jäch & Díaz, 2005
Hydraena hayashii Jäch & Díaz, 2012
Hydraena helena Orchymont, 1929
Hydraena hendrichi Jäch, Díaz & Skale, 2013
Hydraena (Hydraena) hera Jäch & Díaz, 2016
Hydraena hernandoi Fresneda & Lagar, 1990
Hydraena herzogestella Perkins, 2011
Hydraena heterogyna Bedel, 1898
Hydraena hiekei Jäch, 1992
Hydraena hillaryi Skale & Jäch, 2009
Hydraena hintoni Perkins, 2011
Hydraena hinundungan Vidal, Camille.Go & Freitag, 2017
Hydraena hispanica Ganglbauer, 1901
Hydraena holdhausi Pretner, 1929
Hydraena hornabrooki Perkins, 2011
Hydraena hortensis Jäch & Díaz, 2000
Hydraena hosiwergi Freitag & Jäch, 2007
Hydraena hosseinieorum Bilton & Jäch, 1998
黄山细牙虫 Hydraena huangshanensis Jäch & Díaz, 2005
Hydraena huitongensis Jäch & Díaz, 2005
Hydraena humanica Perkins, 2014
湖南细牙虫 Hydraena hunanensis Pu & Zhe-Long, 1951
Hydraena hungarica Rey, 1884
Hydraena huonica Perkins, 2011
Hydraena hyalina Perkins, 1980
Hydraena hynesi Zwick, 1977
Hydraena hypipamee Perkins, 2007
Hydraena ibalimi Perkins, 2011
Hydraena iberica Orchymont, 1936
Hydraena idema Perkins, 2011
Hydraena iheya Jäch & Díaz, 1999
Hydraena ilamensis Skale & Jäch, 2009
Hydraena ilica Jäch, 1994
Hydraena imbria Jäch & Díaz, 2001
Hydraena impala Perkins, 2011
Hydraena (Hydraena) imperatrix Knisch
Hydraena imperatrix Kniz, 1919
Hydraena impercepta Zwick, 1977
Hydraena impressicollis Fairmaire, 1898
Hydraena inancala Perkins, 2007
Hydraena inapicipalpis Pic, 1918
Hydraena incisiva Perkins, 2011
Hydraena incista Perkins, 2011
Hydraena incurva Orchymont, 1932
Hydraena indiana Jäch, 1994
印度细牙虫 Hydraena indica Orchymont, 1920
Hydraena infoveola Perkins, 2011
Hydraena ingens (Perkins, 1980)
Hydraena inhalista Perkins, 2011
Hydraena injectiva Perkins, 2014
Hydraena innuda Perkins, 2007
长身细牙虫 Hydraena inopilata Jach & Diaz, 1998
Hydraena inopinata Jäch & Díaz, 1998
Hydraena inplacopaca Perkins, 2011
Hydraena insandalia Perkins, 2011
Hydraena inseriata Perkins, 2017
Hydraena insita Orchymont, 1932
Hydraena insolita Orchymont, 1932
Hydraena insularis Orchymont, 1945
Hydraena integra Pretner, 1931
Hydraena intensa Perkins, 2011
Hydraena intermedia Rosenhauer, 1847
Hydraena intraangulata Perkins, 2007
Hydraena inusta Orchymont, 1932
Hydraena invicta Perkins, 2007
Hydraena iriomotensis Jäch & Díaz, 1999
Hydraena isabelae Castro & Herrera, 2001
南台细牙虫 Hydraena isolinae Jäch & Díaz, 1998
Hydraena (Hydraena) ispirensis Kasapoğlu, Jäch & Skale, 2010
Hydraena iterata Orchymont, 1948
Hydraena jacobsoni Orchymont, 1932
Hydraena jaechiana (Audisio & De Biase, 1990)
Hydraena jaegeri Skale & Jäch, 2009
Hydraena jailensis Breit, 1917
Hydraena janczyki Jäch, 1992
Hydraena janeceki Jäch, 1987
Hydraena janssensi M.Hansen, 1998
Hydraena janssensi Nilsson, 2001
郑氏细牙虫 Hydraena jengi Jäch & Díaz, 1998
Hydraena jilanzhui Jäch & Díaz, 2005
Hydraena jivaro Perkins, 1980
Hydraena johncoltranei Perkins, 2011
Hydraena jojoorculloi Freitag & Jäch, 2007
Hydraena josefinae Benetti, Valladares, Delgado & Hamada, 2020
Hydraena jubata Perkins, 2017
Hydraena jubilata Perkins, 2011
Hydraena kadowakii Jäch & Díaz, 2012
Hydraena (Hydraena) kahleni Jäch & Díaz, 2017
Hydraena kakadu Perkins, 2007
Hydraena kamitei Jäch & Díaz, 2012
Hydraena karinkukolae Jäch, 1989
Hydraena karmai Skale & Jäch, 2009
Hydraena kasyi Jäch, 1992
Hydraena kaufmanni Ganglbauer, 1901
Hydraena kellymilleri Perkins, 2011
Hydraena (Hydraena) khnzoriani E.Janssens, 1968
Hydraena kilimandjarensis Régimbart, 1906
Hydraena kitayamai Jäch & Díaz, 2012
Hydraena knischi Orchymont, 1928
Hydraena kocheri Berthélemy, 1992
Hydraena kodadai Freitag & Jäch, 2007
Hydraena koje Perkins, 2011
Hydraena koma Perkins, 2011
Hydraena krasnodarensis Jäch & Díaz, 2006
Hydraena kroumiriana Kaddouri, 1992
Hydraena (Hydraena) kucinici Mičetić Stanković & Jäch, 2012
Hydraena kuehnelti Jäch, 1989
Hydraena kurdistanica Jäch, 1988
广西细牙虫 Hydraena kwangsiensis Pu & Zhe-Long, 1951
Hydraena labropaca Perkins, 2011
Hydraena lagamba Brojer & Jäch, 2011
Hydraena lapidicola Kiesenwetter, 1849
Hydraena lapissectilis Jäch, 1992
Hydraena larissae Jäch & Díaz, 2000
拉森细牙虫 Hydraena larsoni Perkins, 2007
Hydraena lascrucensis Brojer & Jäch, 2011
Hydraena lassulipes Perkins, 2011
Hydraena latebricola Jäch, 1986
Hydraena latisoror Perkins, 2007
Hydraena (Hydraena) lazica E.Janssens, 1963
Hydraena leechi Perkins, 1980
李氏细牙虫 Hydraena leei Jäch & Díaz, 1998
Hydraena legorskyi Jäch & Brojer, 2012
Hydraena lehmanni Jäch & Díaz, 2005
Hydraena leonhardi Breit, 1916
Hydraena leprieuri Sainte-Claire Deville, 1905
Hydraena (Hydraena) levantina J.Sahlberg, 1908
Hydraena levifurcata Perkins, 2017
Hydraena ligulipes Jäch, 1988
Hydraena lilianae Perkins, 2011
Hydraena limbobesa Perkins, 2011
Hydraena limpidicollis Perkins, 1980
Hydraena liriope Orchymont, 1943
Hydraena longicollis Sharp, 1882
Hydraena longiloba Perkins, 2017
Hydraena loripes Perkins, 2011
Hydraena lotti Bilton, 2013
Hydraena lubrica Perkins, 2017
Hydraena lucasi Lagar, 1984
Hydraena lucernae Zwick, 1977
Hydraena ludovicae Orchymont, 1931
Hydraena luminicollis Perkins, 2007
Hydraena luridipennis W.J.MacLeay, 1871
Hydraena lusitana (Berthélemy, 1977)
Hydraena lycia Jäch, 1988
Hydraena macedonica Orchymont, 1931
Hydraena maculicollis Champion, 1920
Hydraena maculopala Perkins, 2011
Hydraena madronensis Castro, García & Ferreras, 2000
Hydraena magna Pu & Zhe-Long, 1951
Hydraena magnessa Jäch, 1997
Hydraena magnetica Zwick, 1977
Hydraena mahavavona Perkins, 2017
Hydraena mahensis Scott, 1913
Hydraena malagricola Jäch & Díaz, 2012
Hydraena malickyi Jäch, 1989
Hydraena malkini Perkins, 1980
Hydraena manabica Perkins, 2011
Hydraena manaslu Skale & Jäch, 2009
Hydraena manfredjaechi Delgado & Soler, 1991
Hydraena manguao Freitag & Jäch, 2007
Hydraena manjakatompo Perkins, 2017
Hydraena manulea Perkins, 2011
Hydraena manuloides Perkins, 2011
Hydraena marawaka Perkins, 2011
Hydraena marcosae Aguilera, Hernando & Ribera, 1997
Hydraena marginicollis Kiesenwetter, 1849
Hydraena mariannae Jäch, 1992
Hydraena marinae Castro, 2003
Hydraena maroccana Kaddouri, 1992
Hydraena marojejy Perkins, 2017
Hydraena martensi Skale & Jäch, 2009
Hydraena martinschoepfi Jäch & Díaz, 2005
Hydraena maryae Jäch & Delgado, 2016
Hydraena masatakai Jäch & Díaz, 2003
Hydraena matthiasi Deler-Hernández, Fikáček & Delgado, 2017
Hydraena matyoti Jäch & Delgado, 2016
Hydraena maureenae Perkins, 1980
Hydraena mauriciogarciai Perkins, 2011
Hydraena mazamitla Perkins, 1980
Hydraena mecai Millán & Aguilera, 2000
Hydraena melas Dalla Torre, 1877
Hydraena mercuriala Perkins, 2011
Hydraena meschniggi Pretner, 1929
Hydraena metzeni Perkins, 2007
墨西哥细牙虫 Hydraena mexicana Perkins, 1980
Hydraena mianminica Perkins, 2011
Hydraena michaelbalkei Jäch, Díaz & Skale, 2013
Hydraena mignymixys Perkins, 1980
Hydraena millenaria Perkins, 2022
Hydraena millerorum Perkins, 2007
Hydraena miniretia Perkins, 2007
Hydraena mintrita Perkins, 2011
Hydraena minutissima Stephens, 1829
Hydraena mitchellensis Perkins, 2007
Hydraena miyatakei Satô, 1959
Hydraena modili Jäch, 1988
Hydraena monikae Jäch & Díaz, 2000
Hydraena monscassius Jäch, 1988
Hydraena monstruosipes Ferro, 1986
Hydraena monteithi Perkins, 2007
Hydraena morio Kiesenwetter, 1849
Hydraena motzfeldi Skale & Jäch, 2011
Hydraena mouzaiensis Sainte-Claire Deville, 1909
Hydraena mpumalanga Perkins, 2014
Hydraena muelleri Pretner, 1931
Hydraena muezziginea Jäch, 1988
Hydraena multiarcuata Perkins, 2017
Hydraena multiloba Perkins, 2011
Hydraena multimurata Perkins, 2014
Hydraena multispina Perkins, 2011
Hydraena mylasae Jäch, 1992
Hydraena (Hydraena) naja Ribera, Hernando & Cieslak, 2019
Hydraena (Hydraena) namiae Jäch & Díaz, 2016
纳米比亚细牙虫 Hydraena namibiensis Perkins, 2014
Hydraena nanocolorata Perkins, 2011
Hydraena nanopala Perkins, 2011
Hydraena nanoscintilla Perkins, 2011
Hydraena nanula Perkins, 2017
Hydraena natiforma Perkins, 2014
Hydraena neblina Perkins, 2011
Hydraena needhami Orchymont, 1929
Hydraena neoaccurata Perkins, 2014
Hydraena nevermanni Perkins, 1980
Hydraena newtoni Perkins, 1980
Hydraena nielshaggei Freitag & Jäch, 2007
Hydraena nigra Hatch, 1965
Hydraena nigrita Germar, 1823
Hydraena nike Jäch, 1995
Hydraena nilguenae (Jäch, 1988)
Hydraena nitidimenta Perkins, 2011
Hydraena nivalis Jäch, 1992
Hydraena nomenipes Perkins, 2014
Hydraena notsui Satô, 1978
Hydraena novacula Perkins, 2011
Hydraena numidica Sainte-Claire Deville, 1905
Hydraena nurabadensis Skale & Jäch, 2011
Hydraena nuratauensis Jäch, 1994
Hydraena oaxaca Perkins, 1980
Hydraena (Hydraena) obaei M.Hayashi & Yoshitomi, 2020
Hydraena oblio Perkins, 1980
Hydraena occidentalis Perkins, 1980
Hydraena occitana (Audisio & De Biase, 1995)
Hydraena ofella J.Balfour-Browne, 1958
Hydraena okapa Perkins, 2011
冲绳细牙虫 Hydraena okinawensis Jäch & Díaz, 1999
Hydraena olidipastoris Jäch, 1988
Hydraena ollopa Perkins, 2011
Hydraena optica Jäch & Díaz, 2012
Hydraena orchid Jach & Diaz, 1998
Hydraena orchis Jäch & Díaz, 1998
Hydraena orchisa Perkins, 2017
Hydraena orcula Perkins, 1980
Hydraena ordishi Delgado & Palma, 1997
Hydraena orientalis Breit, 1916
Hydraena ortali Jäch, 1986
Hydraena (Hydraena) orthosia Jäch, Dia & Díaz, 2006
Hydraena oscillata Perkins, 2017
Hydraena otiarca Perkins, 2011
Hydraena (Hydraena) ovata E.Janssens, 1961
Hydraena owenobesa Perkins, 2011
Hydraena (Hydraena) oxiana E.Janssens, 1974
Hydraena ozarkensis Perkins, 1980
Hydraena pachyptera Apfelbeck, 1909
Hydraena pacifica Perkins, 1980
Hydraena pacificica Perkins, 2011
Hydraena paeminosa Perkins, 1980
Hydraena pagaluensis Hernando & Ribera, 2001
Hydraena paganettii Ganglbauer, 1901
Hydraena pajarita Brojer & Jäch, 2011
Hydraena pakistanica Jäch, 1992
Hydraena pala Perkins, 2011
Hydraena palamita Perkins, 2011
巴拉望细牙虫 Hydraena palawanensis Freitag & Jäch, 2007
Hydraena pallidula Sainte-Claire Deville, 1909
Hydraena palustris Erichson, 1837
Hydraena pamirica Jäch, 1992
Hydraena pamphylia Jäch & Díaz, 2001
Hydraena pangaei Jäch, 1992
Hydraena pantanalensis Perkins, 2011
巴拉圭细牙虫 Hydraena paraguayensis E.Janssens, 1972
Hydraena parciplumea Perkins, 2007
Hydraena particeps Perkins, 1980
Hydraena parva Zwick, 1977
Hydraena parvipalpis Perkins, 2017
Hydraena parvispinosa Perkins, 2017
Hydraena (Hydraena) parysatis E.Janssens, 1981
Hydraena paucistriata Jäch & Díaz, 2000
Hydraena paulmoritz Jäch, Díaz & Skale, 2013
Hydraena pavicula Perkins, 1980
Hydraena paxillipes Perkins, 2011
Hydraena peckorum Perkins, 2011
Hydraena pectenata Perkins, 2011
Hydraena pedroaguilerai Perkins, 2011
Hydraena pegopyga Perkins, 2011
Hydraena pelops Jäch, 1995
Hydraena pensylvanica Kiesenwetter, 1849
Hydraena pentarubra Perkins, 2017
Hydraena penultimata Perkins, 2011
Hydraena perkinsi Spangler, 1980
Hydraena perlonga J.Balfour-Browne, 1950
Hydraena pernambucana Benetti, Valladares, Delgado & Hamada, 2020
Hydraena perpunctata Perkins, 2011