| Subgenus | Hydroporus (Hydroporidius)
Hydroporidius, 1949 ⇒ Hydroporus
| 1 | Species |
| Subgenus | Hydroporus (Hydroporus)
Hydroporus, 1806
| 34 | Species |
| Subgenus | Hydroporus (Oreodytes)
Seidlitz, 1887
| 1 | Species |
| Subgenus | Hydroporus (Sternoporus)
Sternoporus, 1930 ⇒ Hydroporus
| 5 | Species |
| Species | Hydroporus abbreviatus Fall, 1923 ⇒ Oreodytes (Oreodytes) abbreviatus
| | |
| Species | Hydroporus aberrans Clark, 1863
| | |
| Species | Hydroporus acadianus J. Balfour-Browne, 1948 ⇒ Hydrocolus persimilis
| | |
| Species | Hydroporus acaroides LeConte, 1855 ⇒ Hygrotus (Hygrotus) acaroides
| | |
| Species | Hydroporus acuminatellus Fairmaire, 1876
| | |
| Species | Hydroporus acuminatus Sturm, 1835 ⇒ Hydroporus (Hydroporus) angustatus
| | |
| Species | Hydroporus acutangulus Thomson, 1856
| | |
| Species | Hydroporus addendus Crotch, 1873 ⇒ Deronectes eximius
| | |
| Species | Hydroporus adelardi Rochette, 1983 ⇒ Sanfilippodytes adelardi
| | |
| Species | Hydroporus advena Sharp, 1882
| | |
| Species | Hydroporus aenescens J. R. Sahlberg, 1880 ⇒ Hydroporus acutangulus
| | |
| Species | Hydroporus aequalis Zimmermann, 1918
| | |
| Species | Hydroporus aequinoctialis Clark, 1862
| | |
| Species | Hydroporus aequus Fall, 1923 ⇒ Hydrocolus stagnalis
| | |
| Species | Hydroporus affinis Sturm, 1835 ⇒ Nebrioporus (Nebrioporus) assimilis
| | |
| Species | Hydroporus afflatus Scholz, 1917 ⇒ Hydroporus semenowi
| | |
| Species | Hydroporus airumlus Kolenati, 1845
| | |
| Species | Hydroporus alaskanus Fall, 1926 ⇒ Oreodytes (Oreodytes) alaskanus
| | |
| Species | Hydroporus albidus Motschulsky, 1853 ⇒
| | |
| Species | Hydroporus alhambrae Fery, 1999
| | |
| Species | Hydroporus allegheniana Matta & Wolfe, 1979 ⇒ Heterosternuta allegheniana
| | |
| Species | Hydroporus alleghenianus Matta & Wolfe, 1979
| | |
| Species | Hydroporus alpestris Falkenström, 1939 ⇒ Hydroporus (Hydroporus) discretus
| | |
| Species | Hydroporus alpinus Paykull, 1798 ⇒ Oreodytes (Oreodytes) alpinus
| | |
| Species | Hydroporus alticola Sharp, 1882 ⇒ Hydroporus sabaudus sabaudus
| | |
| Species | Hydroporus amabilis Clark, 1862
| | |
| Species | Hydroporus amandus LeConte, 1852 ⇒ Uvarus amandus
| | |
| Species | Hydroporus ambiguus Aubé, 1838 ⇒ Hydroporus (Hydroporus) striola
| | |
| Species | Hydroporus americanus Aubé, 1838
| | |
| Species | Hydroporus amguemensis Shaverdo, 2003
| | |
| Species | Hydroporus amoenus J.Sahlberg, 1908 ⇒ Scarodytes halensis
| | |
| Species | Hydroporus ampliatus Zaitzev, 1927
| 2 | Subspecies |
| Species | Hydroporus amplicatus Zaitzev, 1927
| | |
| Species | Hydroporus ampliceps J. R. Sahlberg, 1921
| | |
| Species | Hydroporus anatolicus J.Balfour-Browne, 1963
| 2 | Subspecies |
| Species | Hydroporus andalusiae Clark, 1862
| | |
| Species | Hydroporus angularis Klug, 1834
| | |
| Species | Hydroporus angulipennis Peyron, 1858
| | |
| Species | Hydroporus angusi Nilsson, 1990
| | |
| Species | Hydroporus angustior Hatch, 1928 ⇒ Oreodytes (Oreodytes) angustior
| | |
| Species | Hydroporus anticus Sharp, 1882 ⇒ Neoporus undulatus
| | |
| Species | Hydroporus antidotus Sharp, 1882 ⇒ Hydroporus (Hydroporus) pubescens
| | |
| Species | Hydroporus antiquus ♰ O. Heer, 1862 ⇒ Pteroporus antiquus
| | |
| Species | Hydroporus apenninus Pederzani & Rocchi, 2005
| | |
| Species | Hydroporus apfelbecki Ganglbauer, 1891 ⇒ Hydroporus (Hydroporus) foveolatus
| | |
| Species | Hydroporus apicalis Schilsky, 1888
| | |
| Species | Hydroporus apicatus Clark, 1862
| | |
| Species | Hydroporus appalachius Sherman, 1913
| | |
| Species | Hydroporus arcticus Thomson, 1856 ⇒ Hydroporus notablis
| | |
| Species | Hydroporus arizonicus Fall, 1917 ⇒ Neoporus arizonicus
| | |
| Species | Hydroporus armenus Motschulsky, 1853
| | |
| Species | Hydroporus artvinensis Fery & Erman, 2009
| | |
| Species | Hydroporus asidytus Young, 1984 ⇒ Neoporus asidytus
| | |
| Species | Hydroporus askalensis Wewalka, 1992
| | |
| Species | Hydroporus assimilis Paykull, 0
| | |
| Species | Hydroporus astur Sharp, 1882
| | |
| Species | Hydroporus ater Forster, 1771
| | |
| Species | Hydroporus aterrimus Porta, 1923
| | |
| Species | Hydroporus atlantis Théry, 1933
| | |
| Species | Hydroporus atomus Régimbart, 1877
| | |
| Species | Hydroporus atratus Régimbart, 1908 ⇒ Nebrioporus (Zimmermannius) abyssinicus
| | |
| Species | Hydroporus atriceps Crotch, 1870 ⇒ Hydroporus morio
| | |
| Species | Hydroporus atropos Mulsant & Godart, 1860 ⇒ Hydroporus (Hydroporus) foveolatus
| | |
| Species | Hydroporus aubei Mulsant, 1843
| | |
| Species | Hydroporus aulicus Aubé, 1838 ⇒ Neoporus aulicus
| | |
| Species | Hydroporus aurasius Jeannel, 1907
| | |
| Species | Hydroporus auritus Dejean, 1833
| | |
| Species | Hydroporus aurora Larson & Roughley, 2000
| | |
| Species | Hydroporus avunculus Fairmaire, 1872 ⇒ Hydroporus distinguendus
| | |
| Species | Hydroporus axillaris LeConte, 1853
| | |
| Species | Hydroporus azruensis Théry, 1933
| | |
| Species | Hydroporus badiellus Fall, 1923
| | |
| Species | Hydroporus badius Clark, 1863
| | |
| Species | Hydroporus baelus Young, 1984 ⇒ Neoporus baelus
| | |
| Species | Hydroporus baeticus Schaum, 1864
| | |
| Species | Hydroporus bakewellii Clark, 1862
| | |
| Species | Hydroporus balearicus Tenenbaum, 1915
| | |
| Species | Hydroporus barbarae Fall, 1932 ⇒ Sanfilippodytes barbarae
| | |
| Species | Hydroporus barbarensis Wallis, 1933 ⇒ Sanfilippodytes barbarensis
| | |
| Species | Hydroporus barbarus Schaum, 1847
| | |
| Species | Hydroporus barberensis
| | |
| Species | Hydroporus basalis MacLeay, 1871
| | |
| Species | Hydroporus basiclarior Gozis, 1914 ⇒ Hydroporus (Hydroporus) lucasi
| | |
| Species | Hydroporus basinotatus Reiche, 1864
| | |
| Species | Hydroporus beduinus Régimbart, 1895
| | |
| Species | Hydroporus belfragei Sharp, 1882 ⇒ Sanfilippodytes belfragei
| | |
| Species | Hydroporus benzeli ♰ O. Heer, 1862 ⇒ Nebrioporus benzeli
| | |
| Species | Hydroporus bergmani Nilsson, 1995
| | |
| Species | Hydroporus bertrandi Manuel, 2021
| | |
| Species | Hydroporus bicarinatus
| 1 | Subspecies |
| Species | Hydroporus bicinctus Régimbart, 1895
| | |
| Species | Hydroporus bicolor J. Müller, 1933 ⇒ Suphisellus bicolor bicolor
| | |
| Species | Hydroporus bicostatus Schaum, 1864
| | |
| Species | Hydroporus bicruciatus Germar, 1838
| | |
| Species | Hydroporus bidessoides Leech, 1941 ⇒ Sanfilippodytes bidessoides
| | |
| Species | Hydroporus bifasciatus MacLeay, 1871
| | |
| Species | Hydroporus bifidus Say, 1830
| | |
| Species | Hydroporus bifoveolatus Zimmerm., 1918 ⇒ Stictonectes lepidus
| | |
| Species | Hydroporus biguttatus Kirby, 1837 ⇒ Laccophilus biguttatus
| | |
| Species | Hydroporus bihamatus Chevrolat, 1861
| | |
| Species | Hydroporus bilineatus Sturm, 1835 ⇒ Graptodytes bilineatus
| | |
| Species | Hydroporus bimaculatus Dufour, 1852
| | |
| Species | Hydroporus bipustulatus Gemminger & Harold, 1868
| | |
| Species | Hydroporus bisbiguttatus J. R. Sahlberg, 1921 ⇒ Hydroporus (Hydroporus) nigrita
| | |
| Species | Hydroporus bistrigatus Clark, 1862
| | |
| Species | Hydroporus bisulcatus Fall, 1923 ⇒ Oreodytes (Oreodytes) scitulus scitulus
| | |
| Species | Hydroporus bithynicus Hernando & al., 2012
| | |
| Species | Hydroporus blakeii Clark, 1862
| | |
| Species | Hydroporus blanchardi Sherman, 1913 ⇒ Neoporus blanchardi
| | |
| Species | Hydroporus blandus Germar, 1836
| | |
| Species | Hydroporus bodemeyeri Ganglbauer, 1900
| 3 | Subspecies |
| Species | Hydroporus bodoanus Bodemeyer, 1927
| | |
| Species | Hydroporus bohemani Thomson, 1856
| | |
| Species | Hydroporus bombycinus Leprieur, 1876 ⇒ Deronectes fairmairei
| | |
| Species | Hydroporus bonariensis Steinheil, 1869
| | |
| Species | Hydroporus bonnairii Fairmaire, 1872 ⇒ Hydroporus (Hydroporus) lucasi
| | |
| Species | Hydroporus boraeorum Larson & Roughley, 2000
| | |
| Species | Hydroporus boreaorum Larson & Roughley in Larson, Alarie & Roughley, 2000 ⇒ Hydroporus boraeorum
| | |
| Species | Hydroporus boreus Gordon, 1981 ⇒ Hydroporus sibiricus
| | |
| Species | Hydroporus boristhenicus Hochhuth, 1871
| | |
| Species | Hydroporus borodini Zaitzev, 1909
| | |
| Species | Hydroporus borysthenicus Motschulsky, 1853
| | |
| Species | Hydroporus bosnicus Apfelbeck, 1909 ⇒ Hydroporus (Hydroporus) marginatus
| | |
| Species | Hydroporus brancoi Rocchi, 1981
| 2 | Subspecies |
| Species | Hydroporus brancuccii Fery, 1987
| | |
| Species | Hydroporus brannanii Schaufuss, 1869
| | |
| Species | Hydroporus brevicornis Fall, 1917
| | |
| Species | Hydroporus brevis R.F.Sahlberg, 1834 ⇒ Nebrioporus (Nebrioporus) elegans
| | |
| Species | Hydroporus breviusculus Poppius, 1905
| | |
| Species | Hydroporus brodei Gellermann, 1928 ⇒ Oreodytes (Oreodytes) quadrimaculatus
| | |
| Species | Hydroporus browni Wallis, 1933 ⇒ Sanfilippodytes terminalis
| | |
| Species | Hydroporus brucki Wehncke, 1875
| | |
| Species | Hydroporus brumalis Brown, 1930
| | |
| Species | Hydroporus brunnipennis MacLeay, 1871
| | |
| Species | Hydroporus bryanstonii Clark, 1862
| | |
| Species | Hydroporus bucheti Régimbart, 1898
| | |
| Species | Hydroporus bulgaricus Hlisnikovský, 1955 ⇒ Hydroporus bodemeyeri
| | |
| Species | Hydroporus bungei Zaitzev, 1910
| | |
| Species | Hydroporus buresi MaÍan, 1938
| | |
| Species | Hydroporus cagrankaya Fery & Erman, 2009
| | |
| Species | Hydroporus californicus Gordon, 1981 ⇒ Hydroporus longiusculus
| | |
| Species | Hydroporus caliginosus LeConte, 1850 ⇒ Hydroporus (Hydroporus) pubescens
| | |
| Species | Hydroporus cambriensis Stephens, 1835
| | |
| Species | Hydroporus caminarius Motschulsky, 1860 ⇒ Hydroporus morio
| | |
| Species | Hydroporus canaliculatus Lacordaire, 1835
| | |
| Species | Hydroporus canariensis Bedel, 1881
| | |
| Species | Hydroporus cantabricus Sharp, 1882 ⇒ Hydroporus necopinatus roni
Grand Junction camissonia | | |
| Species | Hydroporus canthydroides Régimbart, 1895
| | |
| Species | Hydroporus capensis Dejean, 1833
| | |
| Species | Hydroporus caraibus Chevrolat, 1863
| | |
| Species | Hydroporus carbonarius Clark, 1863
| | |
| Species | Hydroporus carinatus Aubé, 1838
| | |
| Species | Hydroporus carinipennis Régimbart, 1895
| | |
| Species | Hydroporus carli Wewalka, 1992
| | |
| Species | Hydroporus carolinus Fall, 1917 ⇒ Neoporus carolinus
| | |
| Species | Hydroporus carri Larson, 1975
Carr´s Diving Beetle | | |
| Species | Hydroporus carrorum Larson, 1975 ⇒ Hydroporus carri
| | |
| Species | Hydroporus carstengroehni Balke & al., 2010
| | |
| Species | Hydroporus caspius Wehncke, 1875
| | |
| Species | Hydroporus castaneus Aubé, 1838 ⇒ Hydroporus (Hydroporus) memnonius
| | |
| Species | Hydroporus catascopium Say, 1823
| | |
| Species | Hydroporus caucasicus Zaitzev, 1927
| | |
| Species | Hydroporus celatus Clark, 1862 ⇒ Hydroporus (Sternoporus) longulus
| | |
| Species | Hydroporus ceresyi Aubé, 1838
| | |
| Species | Hydroporus charlottii Clark, 1862
| | |
| Species | Hydroporus chilensis Solier, 1849
| | |
| Species | Hydroporus chrysostomus Gozis, 1914
| | |
| Species | Hydroporus cimicoides Sharp, 1882 ⇒ Neoporus cimicoides
| | |
| Species | Hydroporus cinctellus LeConte, 1852 ⇒ Neoclypeodytes cinctellus
| | |
| Species | Hydroporus civicus Sharp, 1887
Diamond Valley suncup | | |
| Species | Hydroporus clarkii Wollaston, 1862
| | |
| Species | Hydroporus cleopatrae Peyron, 1858
| | |
| Species | Hydroporus clessini ♰ Lomnicki, 1894
| | |
| Species | Hydroporus clypealis Sharp, 1882 ⇒ Neoporus clypealis
| | |
| Species | Hydroporus coarcticolis Reiche, 1862
| | |
| Species | Hydroporus coccinelloides Bedel, 1925
| | |
| Species | Hydroporus cocheconis Fall, 1917 ⇒ Heterosternuta cocheconis
| | |
| Species | Hydroporus coelamboides Fall, 1923 ⇒ Stictotarsus coelamboides
| | |
| Species | Hydroporus collaris Boheman, 1848 ⇒ Hygrotus (Hygrotus) versicolor
| | |
| Species | Hydroporus collarti Guignot, 1949 ⇒ Hydroporus bodemeyeri
| | |
| Species | Hydroporus coloradensis Fall, 1923 ⇒ Deronectes griseostriatus
| | |
| Species | Hydroporus columbianus Fall, 1923
| | |
| Species | Hydroporus compactus Clark, 1862
| | |
| Species | Hydroporus compertus Brown, 1932 ⇒ Sanfilippodytes compertus
| | |
| Species | Hydroporus compunctus Wollaston, 1865
| | |
| Species | Hydroporus concinnus LeConte, 1855 ⇒ Heterosternuta wickhami
| | |
| Species | Hydroporus confluentus Fall, 1923
| | |
| Species | Hydroporus confusus Lucas, 1846 ⇒ Neoporus carolinus
| | |
| Species | Hydroporus congruus LeConte, 1878 ⇒ Oreodytes (Oreodytes) congruus
| | |
| Species | Hydroporus conjungens Sturm, 1843
| | |
| Species | Hydroporus conoideus LeConte, 1850
| | |
| Species | Hydroporus consimilis LeConte, 1850 ⇒ Neoporus undulatus
| | |
| Species | Hydroporus consimilus LeConte, 1850 ⇒ Neoporus undulatus
| | |
| Species | Hydroporus constantini Hernando & Fresneda, 1996
| | |
| Species | Hydroporus contractulus Mannerheim, 1852
| | |
| Species | Hydroporus convexa Aubé, 1838
| | |
| Species | Hydroporus convexior Seidlitz, 1887 ⇒ Hydroporus (Hydroporus) nigrita
| | |
| Species | Hydroporus copelatoides Sharp, 1882
| | |
| Species | Hydroporus coquerelii Fairmaire, 1869
| | |
| Species | Hydroporus cordatus Hänel, 1911
| | |
| Species | Hydroporus corpulentus Fall, 1923 ⇒ Hygrotus (Coelambus) corpulentus
| | |
| Species | Hydroporus corsicus Wehncke, 1872 ⇒ Hydroporus (Hydroporus) discretus
| | |
| Species | Hydroporus corvallis Fall, 1923 ⇒ Sanfilippodytes corvallis
| | |
| Species | Hydroporus corvinus Sharp, 1887 ⇒ Stictotarsus corvinus
| | |
| Species | Hydroporus costipennis Fairmaire, 1869
| | |
| Species | Hydroporus crassulus Fall, 1923 ⇒ Oreodytes (Oreodytes) crassulus
| | |
| Species | Hydroporus cribratellus Fairmaire, 1880
| | |
| Species | Hydroporus cribrosus Schaum, 1864
| | |
| Species | Hydroporus criniticoxis Larson, 1971 ⇒ Hydroporus fuscipennis
| | |
| Species | Hydroporus crinitisternus Shaverdo & Fery, 2001
| | |
| Species | Hydroporus cristatomarginatus Goeze, 1777
| | |
| Species | Hydroporus cristatus Dejean, 1833 ⇒ Yola bicarinata
| | |
| Species | Hydroporus crotchi Preudhomme de Borre, 1870
| | |
| Species | Hydroporus cruciatus Schilsky, 1890 ⇒ Graptodytes pictus
| | |
| Species | Hydroporus cuprescens K.W.Miller & Fery, 1995
| | |
| Species | Hydroporus cyprius Régimbart, 1878 ⇒ Hydroporus (Hydroporus) discretus
| | |
| Species | Hydroporus dahlii Laporte, 1840
| | |
| Species | Hydroporus darwini Babington, 1841
| | |
| Species | Hydroporus darwinii Babington, 1841
| | |
| Species | Hydroporus davisii Curtis, 1831
| | |
| Species | Hydroporus decemlineatus Mannerheim, 1853 ⇒ Hygrotus (Coelambus) impressopunctatus
| | |
| Species | Hydroporus decemsignata
| | |
| Species | Hydroporus decemsignatus Clark, 1862 ⇒ Stictotarsus decemsignatus
| | |
| Species | Hydroporus deceptus Fall, 1932 ⇒ Stictotarsus deceptus
| | |
| Species | Hydroporus decipiens Sharp, 1878
Yuma browneyes | | |
| Species | Hydroporus deflatus Fall, 1923 ⇒ Hydrocolus deflatus
| | |
| Species | Hydroporus delarouzei Jacquelin du Val, 1857
| | |
| Species | Hydroporus delectus Wollaston, 1864
| | |
| Species | Hydroporus delicatulus Schaum, 1844
| | |
| Species | Hydroporus densatus Peyerimhoff, 1931
| | |
| Species | Hydroporus dentellus Fall, 1917
| | |
| Species | Hydroporus depauperatus Zaitzev, 1927
| | |
| Species | Hydroporus deplanatus Gyllenhal, 1826
| | |
| Species | Hydroporus depressicollis Rosenhauer, 1856
| | |
| Species | Hydroporus derelictus Clark, 1862 ⇒ Hydroporus (Hydroporus) erythrocephalus
| | |
| Species | Hydroporus despectus Sharp, 1882
Grand Junction camissonia | 2 | Subspecies |
| Species | Hydroporus devillei Régimbart, 1901
| | |
| Species | Hydroporus dichrous F.E.Melsheimer, 1844
| | |
| Species | Hydroporus difformis LeConte, 1855 ⇒ Laccornis difformis
| | |
| Species | Hydroporus dilatatus Fall, 1917 ⇒ Deronectes latus
| | |
| Species | Hydroporus dimidiatus Gemminger & Harold, 1868 ⇒ Neoporus dimidiatus
| | |
| Species | Hydroporus discedens Régimbart, 1877 ⇒ Hydroporus (Hydroporus) incognitus
| | |
| Species | Hydroporus discicollis Say, 1834 ⇒ Hydroporus dichrous
Riverhemp | | |
| Species | Hydroporus discoideus LeConte, 1855 ⇒ Hygrotus (Coelambus) patruelis
| | |
| Species | Hydroporus dispar Germar, 1848 ⇒ Hygrotus (Coelambus) dissimilis
| | |
| Species | Hydroporus dispersa Crotch, 1873
| | |
| Species | Hydroporus dissimilis Gemminger & Harold, 1868
| | |
| Species | Hydroporus distinctus Dejean, 1821
| | |
| Species | Hydroporus distinguendus Desbrochers des Loges, 1871
| | |
| Species | Hydroporus diversicornis Sharp, 1882 ⇒ Heterosternuta diversicornis
| | |
| Species | Hydroporus dixianus Fall, 1917 ⇒ Neoporus dixianus
| | |
| Species | Hydroporus djurdjurensis Bedel, 1925
| | |
| Species | Hydroporus dobrogeanus Ienistea, 1962
| | |
| Species | Hydroporus dolerosus Leech, 1945 ⇒ Stictotarsus dolerosus
| | |
| Species | Hydroporus dorsalis Fabricius, 1787
| | |
| Species | Hydroporus dorsoplagiatus Fairmaire, 1880
| | |
| Species | Hydroporus dubius Aubé, 1838
| | |
| Species | Hydroporus duftschmidi Schenkling, 1917
| | |
| Species | Hydroporus duftschmidti Rye, 1872 ⇒ Hydroporus (Hydroporus) rufifrons
| | |
| Species | Hydroporus duodecempustulatus
| | |
| Species | Hydroporus duodecimlineatus LeConte, 1850 ⇒ Oreodytes (Oreodytes) laevis
| | |
| Species | Hydroporus duodecimmaculatus Régimbart, 1877
| | |
| Species | Hydroporus duodecimpustulatus
| | |
| Species | Hydroporus duplex Sharp, 1876
| | |
| Species | Hydroporus duponti Aubé, 1838
| | |
| Species | Hydroporus edenianus Lesne, 1926
| | |
| Species | Hydroporus edwardsi Wallis, 1933 ⇒ Sanfilippodytes edwardsi
| | |
| Species | Hydroporus edwardsii Wallis, 1933 ⇒ Sanfilippodytes edwardsi
| | |
| Species | Hydroporus effeminatus Fall, 1923 ⇒ Neoporus effeminatus
| | |
| Species | Hydroporus elegantula Boheman, 1848
| | |
| Species | Hydroporus elevatus Becker, 1922
| | |
| Species | Hydroporus eljasi Wirén, 1968
| | |
| Species | Hydroporus ellypticus Petri, 1912 ⇒ Hydroporus (Hydroporus) incognitus
| | |
| Species | Hydroporus elongatulus Sturm, 1835
| | |
| Species | Hydroporus elongatus Sturm, 0
| | |
| Species | Hydroporus elusivus Gordon, 1981 ⇒ Hydroporus tartaricus
| | |
| Species | Hydroporus emergens Vorst & Fery, 2014
| | |
| Species | Hydroporus emilianus Clark, 1862
| | |
| Species | Hydroporus enneagrammus Ahrens, 1833
| | |
| Species | Hydroporus epipleuricus Seidlitz, 1887
| | |
| Species | Hydroporus errans Sharp, 1882
Grand Junction camissonia | | |
| Species | Hydroporus eruditus Sharp, 1882
| | |
| Species | Hydroporus erythrostomus Mannerheim, 1852 ⇒ Liodessus obscurellus
| | |
| Species | Hydroporus erzurumensis Erman & Fery, 2000
| | |
| Species | Hydroporus escheri Aubé, 1838
| | |
| Species | Hydroporus esseri Fery & Hendrich, 2011
| | |
| Species | Hydroporus estrellensis Schaufuss, 1882 ⇒ Hydroporus (Hydroporus) pubescens
| | |
| Species | Hydroporus eugeniae Zaitzev, 1909 ⇒ Hydroporus elongatulus
| | |
| Species | Hydroporus eugrammus Dejean, 1833
| | |
| Species | Hydroporus evanescens Boheman, 1848
| | |
| Species | Hydroporus exiguus Aubé, 1838
| | |
| Species | Hydroporus exilis Boheman, 1848
| | |
| Species | Hydroporus eximius Motschulsky, 1859 ⇒ Stictotarsus eximius
| | |
| Species | Hydroporus exornatus Reiche & Saulcy, 1855
| | |
| Species | Hydroporus expositus Fall, 1923 ⇒ Stictotarsus expositus
| | |
| Species | Hydroporus exsanguis Bedel, 1925
| | |
| Species | Hydroporus fabressei Régimbart, 1901
| | |
| Species | Hydroporus fairmairei Branden, 1885 ⇒ Deronectes fairmairei
| | |
| Species | Hydroporus falli Blatchley, 1925
| | |
| Species | Hydroporus falsificus Brown, 1933
| | |
| Species | Hydroporus farctus LeConte, 1855 ⇒ Hygrotus (Hygrotus) farctus
| | |
| Species | Hydroporus faroensis Mjöberg, 1917 ⇒ Hydroporus (Hydroporus) erythrocephalus
| | |
| Species | Hydroporus fasciatus Harris, 1828
| | |
| Species | Hydroporus fatigus Gordon, 1981 ⇒ Hydroporus longiusculus
| | |
| Species | Hydroporus femoralis Boheman, 1858
| | |
| Species | Hydroporus fenestratus Germar, 1836
| | |
| Species | Hydroporus fennicus Seidlitz, 1887 ⇒ Hydroporus notabilis
| | |
| Species | Hydroporus feryi Wewalka, 1992
| | |
| Species | Hydroporus figuratus Gyllenhal, 1826
| | |
| Species | Hydroporus filiolus Fall, 1923 ⇒ Hydrocolus filiolus
| | |
| Species | Hydroporus fimbriatus Gmelin, 1790
| | |
| Species | Hydroporus flavicollis LeConte, 1855 ⇒ Liodessus flavicollis
| | |
| Species | Hydroporus flavidus Régimbart, 1908
| | |
| Species | Hydroporus flavipennis Munster, 1932 ⇒ Hydroporus fuscipennis
| | |
| Species | Hydroporus flavipes Dalla Torre, 1879 ⇒ Hydroporus (Hydroporus) planus
| | |
| Species | Hydroporus flaviventris Motschulsky, 1860
| | |
| Species | Hydroporus flavobrunneus Falkenström, 1930
| | |
| Species | Hydroporus flavofasciatus Steinheil, 1869
| | |
| Species | Hydroporus floridanus Young, 1940 ⇒ Neoporus floridanus
| | |
| Species | Hydroporus fluviatilis Sturm, 1835
| | |
| Species | Hydroporus folkertsi Wolfe & Matta, 1979 ⇒ Heterosternuta folkertsi
| | |
| Species | Hydroporus formaster Zaitzev, 1908
| | |
| Species | Hydroporus formosus Aubé, 1838
| | |
| Species | Hydroporus fortis LeConte, 1852
| | |
| Species | Hydroporus fortiterpunctatus Everts, 1921
| | |
| Species | Hydroporus four Horn, 1883
| 1 | Subspecies |
| Species | Hydroporus four-maculatus Horn, 1883
| | |
| Species | Hydroporus foveiceps MacLeay, 1871
| | |
| Species | Hydroporus fractilinea Solsky, 1874
| | |
| Species | Hydroporus fractus Sharp, 1882
| | |
| Species | Hydroporus fraternus LeConte, 1852 ⇒ Hygrotus (Coelambus) fraternus
| | |
| Species | Hydroporus frisius Verhoeff, 1891 ⇒ Hydroporus (Hydroporus) planus
| | |
| Species | Hydroporus fryii Clark, 1862
| | |
| Species | Hydroporus fulvescens Motschulsky, 1853
| | |
| Species | Hydroporus fulvipennis Munster, 1932 ⇒ Hydroporus (Hydroporus) pubescens
| | |
| Species | Hydroporus fulviventris Costa, 1883
| | |
| Species | Hydroporus funereus Crotch, 1873
| | |
| Species | Hydroporus funestus Fall, 1923 ⇒ Graptodytes granularis
| | |
| Species | Hydroporus fuscatus Crotch, 1873 ⇒ Hydroporus (Hydroporus) planus
| | |
| Species | Hydroporus fuscipennis Schaum, 1868
| | |
| Species | Hydroporus fuscobrunneus Clark, 1863
| | |
| Species | Hydroporus fuscorufus Munster, 1927
| | |
| Species | Hydroporus fusculus Schrank, 1781
| | |
| Species | Hydroporus gallicus Seidlitz, 1887
| | |
| Species | Hydroporus galloprovincialis Manuel, 2013
| | |
| Species | Hydroporus gardnerii Clark, 1862
| | |
| Species | Hydroporus gaudens Fall, 1923 ⇒ Neoporus gaudens
| | |
| Species | Hydroporus gelocrinus Young, 1967
| | |
| Species | Hydroporus gemellus Clark, 1862
| | |
| Species | Hydroporus genei Aubé, 1838
| | |
| Species | Hydroporus geniculatus Thomson, 1856
| | |
| Species | Hydroporus georgicus Bilyashiwski, 2004
| | |
| Species | Hydroporus gibbosus Dejean, 1833
| | |
| Species | Hydroporus gibbulus Dejean, 1833
| | |
| Species | Hydroporus gigas Boheman, 1858
| | |
| Species | Hydroporus gilbertii Clark, 1862
| | |
| Species | Hydroporus glabellus C. G. Thomson, 1867 ⇒ Hydroporus (Hydroporus) nigrita
| | |
| Species | Hydroporus glabriusculus Aubé, 1838
| | |
| Species | Hydroporus glasunovi Zaitzev, 1905
| 2 | Subspecies |
| Species | Hydroporus goldschmidti Gschwendtner, 1923
| 1 | Subspecies |
| Species | Hydroporus golestanensis Hájek, 2016
| | |
| Species | Hydroporus gossei Larson & Roughley, 2000
| | |
| Species | Hydroporus goudotii Laporte de Castelnau, 1835
| | |
| Species | Hydroporus gracilis Wehncke, 1872
| | |
| Species | Hydroporus granarius Aubé, 1838
| | |
| Species | Hydroporus granularis Linnaeus, 0 ⇒ Graptodytes granularis
| | |
| Species | Hydroporus granum LeConte, 1855
| | |
| Species | Hydroporus gravidus Clark, 1862
| | |
| Species | Hydroporus gredensis Fery, 1999
| | |
| Species | Hydroporus griseostriatus Degeer, 0
| | |
| Species | Hydroporus gueorguievi Wewalka, 1975
| | |
| Species | Hydroporus guernei Régimbart, 1891
Predacious diving beetle | | |
| Species | Hydroporus guignoti Gschwendtner, 1935 ⇒ Hydroporus bodemeyeri
| | |
| Species | Hydroporus gyllenhali Schioedte, 1841
| | |
| Species | Hydroporus gyllenhalii Schiödte, 1841
| | |
| Species | Hydroporus habelmanni Wehncke, 1876 ⇒ Hydroporus (Hydroporus) pubescens
| | |
| Species | Hydroporus hajeki Fery, 2009
| | |
| Species | Hydroporus halensis F., 0
| | |
| Species | Hydroporus hamatus Clark, 1862
| | |
| Species | Hydroporus hamifer Zaitzev, 1927
| | |
| Species | Hydroporus hansardii Clark, 1862
| | |
| Species | Hydroporus hardyi Sharp, 1882 ⇒ Sanfilippodytes hardyi
| | |
| Species | Hydroporus hebaueri Hendrich, 1990
| | |
| Species | Hydroporus hebes Fall, 1923 ⇒ Neoporus hebes
| | |
| Species | Hydroporus hedwigae Reitter, 1897 ⇒ Hydroporus kraatzii
| | |
| Species | Hydroporus hedwigi Reitter, 1897
| | |
| Species | Hydroporus heeri Jacquet, 1925
| | |
| Species | Hydroporus hellenicus Mazzoldi & Toledo, 1992
| | |
| Species | Hydroporus helocrinus Young, 1967
| | |
| Species | Hydroporus helveticus Régimbart, 1901
| | |
| Species | Hydroporus heterocerus Dejean, 1836
| | |
| Species | Hydroporus hieroglyphicus Motschulsky, 1853
| | |
| Species | Hydroporus hirsutus Gordon, 1981 ⇒ Hydroporus pervicinus
| | |
| Species | Hydroporus hirtellus LeConte, 1852 ⇒ Hydroporus longiusculus
| | |
| Species | Hydroporus hispanicus Rosenhauer, 1856
| | |
| Species | Hydroporus hockingi Larson, 1971
| | |
| Species | Hydroporus holosericeus Marsham, 1802
| | |
| Species | Hydroporus holzschuhi Fery, 2009
| | |
| Species | Hydroporus hopffgarteni Schilsky, 1892
| | |
| Species | Hydroporus hortense Hatch, 1933 ⇒ Oreodytes (Oreodytes) laevis
| | |
| Species | Hydroporus hottentottus Gemminger & Harold, 1868
| | |
| Species | Hydroporus howittii Clark, 1862
| | |
| Species | Hydroporus humeralis Aubé, 1838 ⇒ Hydroporus axillaris
| | |
| Species | Hydroporus humilis Klug, 1834
| | |
| Species | Hydroporus hybridus Aubé, 1838 ⇒ Neoporus hybridus
| | |
| Species | Hydroporus hydropicus LeConte, 1852 ⇒ Hygrotus (Hygrotus) hydropicus
| | |
| Species | Hydroporus hygrotoides Fery, 2000
| | |
| Species | Hydroporus hyphydroides Perris, 1864
| | |
| Species | Hydroporus ibericus Régimbart, 1901
| | |
| Species | Hydroporus ifnii Fery, 1999
| | |
| Species | Hydroporus ifranensis Fery, 1999
| | |
| Species | Hydroporus ignotus Mulsant & Rey, 1861
| | |
| Species | Hydroporus ijimai Nilsson & Nakane, 1993
| | |
| Species | Hydroporus impressifrons Motschulsky, 1853 ⇒ Hygrotus (Coelambus) lutescens
| | |
| Species | Hydroporus impressopunctatus
| | |
| Species | Hydroporus inanimatus ♰ Scudder, 1900
| | |
| Species | Hydroporus incertus Aubé, 1838 ⇒ Hydroporus (Hydroporus) memnonius
| | |
| Species | Hydroporus incognitos Sharp, 1869
| | |
| Species | Hydroporus incommodus Fery, 2006
| | |
| Species | Hydroporus inconspicuus LeConte, 1855 ⇒ Bidessonotus inconspicuus
| | |
| Species | Hydroporus incrassatus C. G. Thomson, 1871
| | |
| Species | Hydroporus ineditus Gemminger & Harold, 1868
| | |
| Species | Hydroporus inefficiens Walker, 1859
| | |
| Species | Hydroporus ineptus Sharp, 1882
Grand Junction camissonia | | |
| Species | Hydroporus infacetus Clark, 1862
| | |
| Species | Hydroporus infaustus Clark, 1862
| | |
| Species | Hydroporus infirmus Boheman, 1848
| | |
| Species | Hydroporus inflatus Reiche, 1872
| | |
| Species | Hydroporus inquinatus Boheman, 1848
| | |
| Species | Hydroporus inscitus Sharp, 1882
Grand Junction camissonia | | |
| Species | Hydroporus insculptilis Clark, 1862
| | |
| Species | Hydroporus insignis Walker, 1871
| | |
| Species | Hydroporus insularis Sharp, 1882 ⇒ Hydroporus (Hydroporus) memnonius
| | |
| Species | Hydroporus integer Sharp, 1882
| | |
| Species | Hydroporus interjectus Sharp, 1882
| | |
| Species | Hydroporus intermedius J. R. Sahlberg, 1880 ⇒ Hydroporus (Hydroporus) rufifrons
| | |
| Species | Hydroporus intermixtus Walker, 1858
| | |
| Species | Hydroporus interrogationis Clark, 1862
| | |
| Species | Hydroporus interruptus Say, 1830
| | |
| Species | Hydroporus inundatus ♰ Scudder, 1900
| | |
| Species | Hydroporus jacobsoni Zaitzev, 1927
| | |
| Species | Hydroporus jakovlevi Zaitzev, 1905
| | |
| Species | Hydroporus japonicus Sharp, 1873 ⇒ Hydroglyphus japonicus
| | |
| Species | Hydroporus jeanneae Wolfe & Matta, 1979 ⇒ Heterosternuta jeanneae
| | |
| Species | Hydroporus jelineki Fery, 2009
| | |
| Species | Hydroporus jenniferae Wolfe & Matta, 1979 ⇒ Heterosternuta jenniferae
| | |
| Species | Hydroporus johnsonii Clark, 1862
| | |
| Species | Hydroporus jonicus L.Miller, 1862 ⇒ Hydroporus distinguendus
| 2 | Subspecies |
| Species | Hydroporus jucundus Perris, 1869
| | |
| Species | Hydroporus jugularis Babington, 1832 ⇒ Hydroporus (Hydroporus) memnonius
| | |
| Species | Hydroporus kabakovi Fery & Petrov, 2006
| | |
| Species | Hydroporus kashmirensis Vazirani, 1970
| | |
| Species | Hydroporus kasyi Wewalka, 1984
| | |
| Species | Hydroporus kiliani Peyerimhoff, 1929
| | |
| Species | Hydroporus kilimandjarensis Régimbart, 1906
| | |
| Species | Hydroporus kincaidi Hatch, 1928 ⇒ Oreodytes (Oreodytes) alaskanus
| | |
| Species | Hydroporus kingi Clark, 1862
| | |
| Species | Hydroporus kingii Clark, 1862 ⇒ Sanfilippodytes kingii
| | |
| Species | Hydroporus klamathensis Larson & Roughley, 2000
| | |
| Species | Hydroporus klugii Leprieur, 1880
| | |
| Species | Hydroporus kocae Ganglbauer, 1904
| | |
| Species | Hydroporus kolstromi J. R. Sahlberg, 1875 ⇒ Hydroporus lapponum
| | |
| Species | Hydroporus konoi Nakane, 1963 ⇒ Hydroporus submuticus
| | |
| Species | Hydroporus kozlovskii Zaitzev, 1927
| | |
| Species | Hydroporus kraatzii Schaum, 1868
| | |
| Species | Hydroporus kryshtali Bilyashiwski, 1993
| | |
| Species | Hydroporus kuchtai Breit, 1908
| | |
| Species | Hydroporus kurdistanicus Hájek & Fikácek, 2010
| | |
| Species | Hydroporus labradorensis Fall, 1923 ⇒ Hydroporus lapponum
| | |
| Species | Hydroporus laccophilinus LeConte, 1878 ⇒ Hygrotus (Coelambus) laccophilinus
| | |
| Species | Hydroporus lacustris Say, 1823
| | |
| Species | Hydroporus laeta Leech, 1948
| | |
| Species | Hydroporus laetabilis Walker, 1858 ⇒ Canthydrus (Canthydrus) laetabilis
| | |
| Species | Hydroporus laeticulus Sharp, 1882
| | |
| Species | Hydroporus laetus Leech, 1948 ⇒ Heterosternuta laeta
| | |
| Species | Hydroporus laevis Kirby, 1837 ⇒ Oreodytes (Oreodytes) laevis
| | |
| Species | Hydroporus laeviventris Reiche & Saulcy, 1855
| | |
| Species | Hydroporus lanceolatus Walker, 1871
| | |
| Species | Hydroporus lapideus ♰ Ríha, 1974
| | |
| Species | Hydroporus lapponum Gyllenhal, 1808
| | |
| Species | Hydroporus lareynii Fairmaire, 1858
| | |
| Species | Hydroporus larsoni Nilsson, 1984
| | |
| Species | Hydroporus larvatus Régimbart, 1895
| | |
| Species | Hydroporus latebrosus LeConte, 1852 ⇒ Sanfilippodytes latebrosus
| | |
| Species | Hydroporus lateralis Villa & Villa, 1833
| | |
| Species | Hydroporus laticollis Zimmermann, 1922
| | |
| Species | Hydroporus latifrons Sharp, 1982
| | |
| Species | Hydroporus latipes Brullé, 1837
| | |
| Species | Hydroporus latissima LeConte, 1852 ⇒ Desmopachria latissima
| | |
| Species | Hydroporus latissimus LeConte, 1851
| | |
| Species | Hydroporus latocavus Wolfe, 1984 ⇒ Neoporus latocavus
| | |
| Species | Hydroporus latus Stephens, 1829
| | |
| Species | Hydroporus lautus Schaum, 1843 ⇒ Hygrotus (Coelambus) nigrolineatus
| | |
| Species | Hydroporus leconteii Clark, 1862
| | |
| Species | Hydroporus leechi Gordon, 1981
| | |
| Species | Hydroporus lenensis Poppius, 1905 ⇒ Hydroporus elongatulus
| | |
| Species | Hydroporus lenkoranensis Fery, 1999
| | |
| Species | Hydroporus lepidus Olivier, 1795
| | |
| Species | Hydroporus leprieurii Reiche, 1864
| | |
| Species | Hydroporus lernaeus Schaum, 1857
| | |
| Species | Hydroporus levanderi J. R. Sahlberg, 1889
| | |
| Species | Hydroporus libanus Régimbart, 1901
| | |
| Species | Hydroporus libens Sharp, 1882
| | |
| Species | Hydroporus ligatus Bedel, 1925
| | |
| Species | Hydroporus lilliputanus Aubé, 1838
| | |
| Species | Hydroporus limbalis Melsheimer, 1844
| | |
| Species | Hydroporus lineatus F., 0
| | |
| Species | Hydroporus lineolatus LeConte, 1855 ⇒ Graptodytes flavipes
| | |
| Species | Hydroporus lituratus Fabricius, 1781
| | |
| Species | Hydroporus lividus Geoffroy, 1785
| | |
| Species | Hydroporus lluci Fery, 1999
| | |
| Species | Hydroporus lobatus Sharp, 1882 ⇒ Neoporus lobatus
| | |
| Species | Hydroporus longitarsis J. R. Sahlberg, 1910 ⇒ Hydroporus semenowi
| | |
| Species | Hydroporus longiusculus Gemminger & Harold, 1868
Diverseleaf small limestone moss | | |
| Species | Hydroporus lucasii Reiche, 1872 ⇒ Hydroporus (Hydroporus) lucasi
| | |
| Species | Hydroporus luctuosus Aubé, 1838
| | |
| Species | Hydroporus lugubris Motschulsky, 1845 ⇒ Nebrioporus (Nebrioporus) luctuosus
| | |
| Species | Hydroporus lundbergi Fery & Erman, 2009
| | |
| Species | Hydroporus lundbladi Falkenström, 1938 ⇒ Hydroporus (Hydroporus) discretus
| | |
| Species | Hydroporus luridipennis LeConte, 1850
| | |
| Species | Hydroporus luridus MacLeay, 1871
| | |
| Species | Hydroporus lusitanicus Scholz, 1916
| | |
| Species | Hydroporus luteipennis Gerhardt, 1909
| | |
| Species | Hydroporus lutescens LeConte, 1852 ⇒ Hygrotus (Coelambus) lutescens
| | |
| Species | Hydroporus lutulentus LeConte, 1855
| | |
| Species | Hydroporus lutzi Reitter, 1908
| | |
| Species | Hydroporus lyellii Wollaston, 1857
| | |
| Species | Hydroporus lynceus Sharp, 1882 ⇒ Neoporus lynceus
| | |
| Species | Hydroporus macedonicus Fery & Pesic, 2006
| | |
| Species | Hydroporus macrocephalus Gschwendtner, 1923 ⇒ Hydroporus glasunovi
| | |
| Species | Hydroporus macularis ♰ G. Statz, 1939 ⇒ Hydroporus statzi
| | |
| Species | Hydroporus maculatus Dejean, 1833
| | |
| Species | Hydroporus maeklini Zaitzev, 1910
| | |
| Species | Hydroporus magensis Clark, 1862
| | |
| Species | Hydroporus malaccae Clark, 1863
| | |
| Species | Hydroporus malkini Hatch, 1951 ⇒ Sanfilippodytes malkini
| | |
| Species | Hydroporus manducus Schaufuss, 1882
| | |
| Species | Hydroporus mannerheimi J.Balfour-Browne, 1944
| | |
| Species | Hydroporus marginalis Schilsky, 1889
| | |
| Species | Hydroporus marginicollis Aubé, 1838
| | |
| Species | Hydroporus mariannae Wewalka, 1974
| | |
| Species | Hydroporus marmoratus Stephens, 1835
| | |
| Species | Hydroporus martensi Brancucci, 1981
| | |
| Species | Hydroporus martinii Fairmaire, 1858
| | |
| Species | Hydroporus mascatensis Régimbart, 1897
| | |
| Species | Hydroporus masculinus Crotch, 1874 ⇒ Hygrotus (Coelambus) masculinus
| | |
| Species | Hydroporus mastersii MacLeay, 1871
| | |
| Species | Hydroporus mathiasi Hatch, 1933
| | |
| Species | Hydroporus maurus Sharp, 1882 ⇒ Hydroporus (Hydroporus) discretus
| | |
| Species | Hydroporus meadfootii Clark, 1862
| | |
| Species | Hydroporus medialis LeConte, 1852 ⇒ Hygrotus (Coelambus) lutescens
| | |
| Species | Hydroporus melaenus Nicolai, 1822
| | |
| Species | Hydroporus melancholicus Motschulsky, 1860 ⇒ Hydroporus morio
| | |
| Species | Hydroporus melanocephalus Gyllenhal, 1808 ⇒ Hydroporus morio
| | |
| Species | Hydroporus melanogrammus Régimbart, 1899
| | |
| Species | Hydroporus mellitus LeConte, 1855 ⇒ Neoporus mellitus
| | |
| Species | Hydroporus melsheimeri Fall, 1917
| | |
| Species | Hydroporus meridionalis Aubé, 1836 ⇒ Metaporus meridionalis
| | |
| Species | Hydroporus mexicanus Sharp, 1982 ⇒ Deronectes decemsignatus
| | |
| Species | Hydroporus miersii White, 1847
| | |
| Species | Hydroporus minimus Gaubil, 1849
| | |
| Species | Hydroporus minutissimus Germar, 1824 ⇒ Bidessus minutissimus
| | |
| Species | Hydroporus minutus Stephens, 1828 ⇒ Hydroporus umbrosus
| | |
| Species | Hydroporus mistellus Marseul, 1882
| | |
| Species | Hydroporus mixtus LeConte, 1855 ⇒ Hygrotus (Coelambus) marklini
| | |
| Species | Hydroporus modestus Aubé, 1838
| | |
| Species | Hydroporus moestus Walker, 1871
| 1 | Subspecies |
| Species | Hydroporus monaulacus Drapiez, 1820
| | |
| Species | Hydroporus monilicornis J. R. Sahlberg, 1875 ⇒ Hydroporus (Hydroporus) nigrita
| | |
| Species | Hydroporus montanus Helliesen, 1890 ⇒ Oreodytes (Oreodytes) davisii
| | |
| Species | Hydroporus monticola Sharp, 1869 ⇒ Hydroporus (Hydroporidius) melanarius
| | |
| Species | Hydroporus morio Aubé, 1838
| | |
| Species | Hydroporus mtiula Zaitzev, 1927
| | |
| Species | Hydroporus mulsantis Peyron, 1858
| | |
| Species | Hydroporus multiguttatus Régimbart, 1878
Texas lespedeza | | |
| Species | Hydroporus multimaculatus Clark, 1862
| | |
| Species | Hydroporus multipunctatus ♰ Statz, 1939
| | |
| Species | Hydroporus munsterii Helliesen, 1890 ⇒ Hydroporus (Hydroporidius) melanarius
| | |
| Species | Hydroporus musicus Klug, 1834 ⇒ Herophydrus (Herophydrus) musicus
| | |
| Species | Hydroporus mutatus Gemminger, 1868 ⇒ Herophydrus (Herophydrus) guineensis
| | |
| Species | Hydroporus nanpingensis Toledo & Mazzoldi, 1996
| | |
| Species | Hydroporus nanus Dejean, 1833
| | |
| Species | Hydroporus narentinus Zimmermann, 1915
| | |
| Species | Hydroporus natrix Sharp, 1884
| | |
| Species | Hydroporus nebulosus MacLeay, 1871
| | |
| Species | Hydroporus neclae Erman & Fery, 2006
| | |
| Species | Hydroporus necopinatus Fery, 1999
| 3 | Subspecies |
| Species | Hydroporus neglectus Schaum, 1845 ⇒ Hydroporus (Hydroporus) marginatus
| | |
| Species | Hydroporus neptuni Giebel, 1856
| | |
| Species | Hydroporus neuter Fairmaire & Laboulbène, 1854 ⇒ Hydroporus (Hydroporus) discretus
| | |
| Species | Hydroporus nevadensis Sharp, 1882
Grand Junction camissonia | | |
| Species | Hydroporus nicobaricus Redtenbacher, 1867
| | |
| Species | Hydroporus niger Say, 1823 ⇒ Hydroporus (Hydroporus) memnonius
| | |
| Species | Hydroporus nigrescens Favre, 1890
| | |
| Species | Hydroporus nigricans Schrank, 1781
| | |
| Species | Hydroporus nigriceps Preller, 1862 ⇒ Hydroporus (Hydroporus) planus
| | |
| Species | Hydroporus nigricollis Desbrochers des Loges, 1871 ⇒ Hydroporus (Hydroporus) planus
| | |
| Species | Hydroporus nigritarsis Sharp, 1882
| | |
| Species | Hydroporus nigroadumbratus Clark, 1862
| | |
| Species | Hydroporus nigrocephalus Heyden, 1883
| | |
| Species | Hydroporus nitidicornis Broun, 1880
| | |
| Species | Hydroporus nitidulus Motschulsky, 1853
| | |
| Species | Hydroporus nitidus Sturm, 1835
| | |
| Species | Hydroporus nobilis Poppius, 1905
| | |
| Species | Hydroporus nodieri Régimbart, 1895 ⇒ Peschetius nodieri
| | |
| Species | Hydroporus normandi Régimbart, 1903
| 4 | Subspecies |
| Species | Hydroporus notabilis LeConte, 1850
| 2 | Subspecies |
| Species | Hydroporus notablis LeConte, 1850
| | |
| Species | Hydroporus notatus Sturm, 1835
| | |
| Species | Hydroporus novacula Fery, 2020
| | |
| Species | Hydroporus novemlineatus Stephens, 1829
| | |
| Species | Hydroporus nubilus LeConte, 1855 ⇒ Hygrotus (Coelambus) nubilus
| | |
| Species | Hydroporus nudatus Say, 1830
| | |
| Species | Hydroporus numidicus Bedel, 1889
| | |
| Species | Hydroporus oasis Wewalka, 1992
| | |
| Species | Hydroporus obesus LeConte, 1866 ⇒ Oreodytes (Oreodytes) obesus obesus
| | |
| Species | Hydroporus obliquesignatus Bielz, 1852 ⇒ Porhydrus obliquesignatus
| | |
| Species | Hydroporus oblitus Aubé, 1838 ⇒ Hydrocolus oblitus
| | |
| Species | Hydroporus oblongus Dejean, 1833
| | |
| Species | Hydroporus obovatus J. R. Sahlberg, 1880 ⇒ Hydroporus (Hydroporus) nigrita
| | |
| Species | Hydroporus obscurellus LeConte, 1852 ⇒ Liodessus obscurellus
| | |
| Species | Hydroporus obscuricollis Motschulsky, 1853
| | |
| Species | Hydroporus obscuricornis J. R. Sahlberg, 1921 ⇒ Hydroporus (Hydroporidius) melanarius
| | |
| Species | Hydroporus obscuripes Motschulsky, 1860
| | |
| Species | Hydroporus obscurus Sturm, 1835 ⇒ Deronectes opatrinus
| | |
| Species | Hydroporus obtusipennis J. R. Sahlberg, 1875 ⇒ Hydroporus lapponum
| | |
| Species | Hydroporus occidentalis Sharp, 1882
Grand Junction camissonia | | |
| Species | Hydroporus occultus Sharp, 1882 ⇒ Hydroporus productus
| | |
| Species | Hydroporus octolineatus Schaufuss, 1882
| | |
| Species | Hydroporus ohionis Fall, 1917 ⇒ Heterosternuta ohionis
| | |
| Species | Hydroporus opacinus J. Sahlb., 1903
| | |
| Species | Hydroporus opacus Wehncke, 1872 ⇒ Hydroporus geniculatus
| | |
| Species | Hydroporus opatrinus Germar, 1824
| | |
| Species | Hydroporus ophionis Fall, 1917
| | |
| Species | Hydroporus oppositus Say, 1823 ⇒ Heterosternuta oppositus
| | |
| Species | Hydroporus optatus Seidlitz, 1887
| | |
| Species | Hydroporus orientalis Hlisnikovský, 1955 ⇒ Hydroporus pfefferi
| | |
| Species | Hydroporus ornatus Dejean, 1833
| | |
| Species | Hydroporus ortali Wewalka, 1984 ⇒ Hydroporus multiguttatus
| | |
| Species | Hydroporus ouachita Matta & Wolfe, 1979 ⇒ Heterosternuta ouachita
| | |
| Species | Hydroporus ouachitus Matta & Wolfe, 1979
| | |
| Species | Hydroporus ovatus Sturm, 1835
| | |
| Species | Hydroporus ovoideus LeConte, 1850 ⇒ Hygrotus (Coelambus) suturalis
| | |
| Species | Hydroporus pacificus Fall, 1923 ⇒ Sanfilippodytes pacificus
| | |
| Species | Hydroporus paganettianus Scholz, 1923
| | |
| Species | Hydroporus pallens A. Zimmermann, 1915 ⇒ Hygrotus (Coelambus) marklini
| | |
| Species | Hydroporus pallescens Seidlitz, 1887 ⇒ Hydroporus (Hydroporus) planus
| | |
| Species | Hydroporus palliatus Horn, 1883 ⇒ Sanfilippodytes palliatus
| | |
| Species | Hydroporus pallidulus Aubé, 1850
| | |
| Species | Hydroporus pallidus Heer, 1837
| | |
| Species | Hydroporus pallipes Sturm, 1826
| | |
| Species | Hydroporus paludosus Motschulsky, 1853
| | |
| Species | Hydroporus panaminti Fall, 1923 ⇒ Stictotarsus panaminti
| | |
| Species | Hydroporus parallelogrammus Ahrens, 1812
| | |
| Species | Hydroporus parallelus Sharp, 1869 ⇒ Hydroporus (Sternoporus) longicornis
| | |
| Species | Hydroporus parvicollis Schaum, 1864
| | |
| Species | Hydroporus patruelis LeConte, 1855 ⇒ Hygrotus (Coelambus) patruelis
| | |
| Species | Hydroporus paugus Fall, 1923 ⇒ Hydrocolus paugus
| | |
| Species | Hydroporus pauper Schneider, 1903
| | |
| Species | Hydroporus pectoralis J. R. Sahlberg, 1880 ⇒ Hygrotus (Coelambus) pectoralis
| | |
| Species | Hydroporus peltatus Sharp, 1882
| | |
| Species | Hydroporus penicillatum Clark, 1862
| | |
| Species | Hydroporus penicillatus Clark, 1862
| | |
| Species | Hydroporus penitus Guignot, 1945 ⇒ Hydroporus submuticus
| | |
| Species | Hydroporus pentagrammus Schaum, 1864 ⇒ Hydroglyphus pentagrammus
| | |
| Species | Hydroporus perplexus Schaum, 1847 ⇒ Hydroporus longiusculus
| | |
| Species | Hydroporus persimilis Crotch, 1873
| | |
| Species | Hydroporus pervasus Gozis, 1914
| | |
| Species | Hydroporus pervicinus Fall, 1923
| | |
| Species | Hydroporus pescheti Guignot, 1930 ⇒ Hydroporus (Hydroporus) discretus
| | |
| Species | Hydroporus petefractus H. Weyenbergh, 1869
| | |
| Species | Hydroporus petrefactus Weyenbergh, 1869
| | |
| Species | Hydroporus peyerimhoffi Régimbart, 1906
| | |
| Species | Hydroporus pfefferi Wewalka, 1974
| | |
| Species | Hydroporus picatus Kirby, 1837
| | |
| Species | Hydroporus picicornis J. R. Sahlberg, 1875 ⇒ Hydrocolus sahlbergi
| | |
| Species | Hydroporus picturatus Horn, 1883 ⇒ Oreodytes (Oreodytes) picturatus
| | |
| Species | Hydroporus pictus F., 0
| | |
| Species | Hydroporus pilatei Fall, 1917 ⇒ Lioporeus pilatei
| | |
| Species | Hydroporus pilicornis J. Sahlberg, 1873
| | |
| Species | Hydroporus pilipes J. R. Sahlberg, 1921 ⇒ Hydroporus geniculatus
| | |
| Species | Hydroporus pilosus Guignot, 1949
| | |
| Species | Hydroporus pinguis Fall, 1923 ⇒ Stictotarsus roffii
| | |
| Species | Hydroporus placatus Fall, 1917
| | |
| Species | Hydroporus planatus Mannerheim, 1853
Bigtooth aspen | | |
| Species | Hydroporus planiusculus Fall, 1923 ⇒ Sanfilippodytes planiusculus
| | |
| Species | Hydroporus platynotus Lacordaire, 1835
| | |
| Species | Hydroporus pleistocenicus ♰ Lomnicki, 1894
| | |
| Species | Hydroporus plicipennis Crotch, 1873 ⇒ Neoclypeodytes plicipennis
| | |
| Species | Hydroporus polaris Fall, 1923
| | |
| Species | Hydroporus politus MacLeay, 1871
| | |
| Species | Hydroporus polonicus Aubé, 1842
| | |
| Species | Hydroporus ponticus Zaitzev, 1927 ⇒ Hydroporus transgrediens
| | |
| Species | Hydroporus porcata Klug, 1834
| | |
| Species | Hydroporus porosus Dejean, 1833
| | |
| Species | Hydroporus portalegrensis Schaufuss, 1882
| | |
| Species | Hydroporus portmanni Clark, 1862
| | |
| Species | Hydroporus praedorsalis ♰ Lomnicki, 1894
| | |
| Species | Hydroporus praenigrita ♰ Lomnicki, 1894
| | |
| Species | Hydroporus praenivalis ♰ Lomnicki, 1894
| | |
| Species | Hydroporus pratus Wolfe, 1984 ⇒ Neoporus pratus
| | |
| Species | Hydroporus procerus Aubé, 1838
| | |
| Species | Hydroporus productotruncatus Hatch, 1944 ⇒ Oreodytes (Oreodytes) alaskanus
| | |
| Species | Hydroporus productus Fairmaire, 1880
| | |
| Species | Hydroporus proximus Aubé, 1838 ⇒ Neoporus carolinus
| | |
| Species | Hydroporus psammodytes Young, 1978 ⇒ Neoporus psammodytes
| | |
| Species | Hydroporus pseudogeminus Régimbart, 1877
| | |
| Species | Hydroporus pseudoniger Nilsson & Fery, 2006
| | |
| Species | Hydroporus pseudopubescens Zimmermann, 1919
Florida Mountain woodlandsnail | | |
| Species | Hydroporus pseudovilis Young, 1953 ⇒ Sanfilippodytes pseudovilis
| | |
| Species | Hydroporus puberulus LeConte, 1850 ⇒ Hydroporus glabriusculus
| | |
| Species | Hydroporus pubipennis Dejean, 1833
| | |
| Species | Hydroporus pudicus Clark, 1863
| | |
| Species | Hydroporus pueli Barthe, 1916
| | |
| Species | Hydroporus pulcher LeConte, 1855 ⇒ Deronectes striatellus
| | |
| Species | Hydroporus pulchra LeConte, 1855
| | |
| Species | Hydroporus pulicarius Aubé, 1838
| | |
| Species | Hydroporus pullus Dejean, 1821 ⇒ Hydroporus (Hydroporus) planus
| | |
| Species | Hydroporus pumilus Aubé, 1838 ⇒ Bidessus pumilus
| | |
| Species | Hydroporus punctatissimus Poppius, 1905 ⇒ Hydroporus pseudopubescens
| | |
| Species | Hydroporus punctatulus J. R. Sahlberg, 1889 ⇒ Hydroporus acutangulus
| | |
| Species | Hydroporus punctatus Say, 1824 ⇒ Hygrotus (Hygrotus) sayi
| | |
| Species | Hydroporus punctipennis J.Sahlberg, 1880
| | |
| Species | Hydroporus punctulatus Motschulsky, 1853
| | |
| Species | Hydroporus punctum Gebler, 1829
| | |
| Species | Hydroporus pygmaeus Sturm, 1835 ⇒ Porhydrus lineatus
| | |
| Species | Hydroporus pyrenaeus Wehncke, 1872 ⇒ Deronectes latus
| | |
| Species | Hydroporus quadricostatus Aubé, 1838
| | |
| Species | Hydroporus quadrilineatus Crotch, 1873
| | |
| Species | Hydroporus quadrimaculatus Horn, 1883 ⇒ Oreodytes (Oreodytes) quadrimaculatus
| | |
| Species | Hydroporus quadrinotatus Sturm, 1826
| | |
| Species | Hydroporus ragusensis Villa & Villa, 1833
| | |
| Species | Hydroporus rainieri Hatch, 1928 ⇒ Oreodytes (Oreodytes) alaskanus
| | |
| Species | Hydroporus ramburi Reiche, 1862
| | |
| Species | Hydroporus recidivus Gschwendtner, 1923 ⇒ Hydroporus goldschmidti
| | |
| Species | Hydroporus recticollis Fall, 1926 ⇒ Oreodytes (Oreodytes) alaskanus
| | |
| Species | Hydroporus rectus Fall, 1923
| | |
| Species | Hydroporus republicanus Sharp, 1882 ⇒ Neoporus lynceus
| 2 | Subspecies |
| Species | Hydroporus revelierei Sharp, 1882 ⇒ Hydroporus (Hydroporus) memnonius
| | |
| Species | Hydroporus rheocrinus Young, 1967 ⇒ Neoporus rheocrinus
| | |
| Species | Hydroporus rifensis Manuel, 2014
| | |
| Species | Hydroporus rivalis Gyllenhal, 1827 ⇒ Oreodytes (Oreodytes) sanmarkii
| | |
| Species | Hydroporus robertorum Fery, 1999
| | |
| Species | Hydroporus roffi Clark, 1862 ⇒ Stictotarsus roffii
| | |
| Species | Hydroporus roffii Clark, 1862
| | |
| Species | Hydroporus roni Fery, 1999
| | |
| Species | Hydroporus roseni A. Zimmermann, 1919 ⇒ Hydroporus (Hydroporus) pubescens
| | |
| Species | Hydroporus rossi Leech, 1941 ⇒ Sanfilippodytes rossi
| | |
| Species | Hydroporus rotundatus Dejean, 1833
| | |
| Species | Hydroporus rubescens Clark, 1863 ⇒ Neohydrocoptus rubescens
| | |
| Species | Hydroporus rubripes J. R. Sahlberg, 1875 ⇒ Hydroporus submuticus
| | |
| Species | Hydroporus rubyae Larson, 1975
| | |
| Species | Hydroporus rubyi Larson, 1971
| | |
| Species | Hydroporus rufescens Guignot, 1932
| | |
| Species | Hydroporus ruficapillus Mannerheim, 1852
| | |
| Species | Hydroporus ruficeps Aubé, 1838 ⇒ Herophydrus (Herophydrus) guineensis
| | |
| Species | Hydroporus ruficornis Zetterstedt, 1838
| | |
| Species | Hydroporus rufilabris Sharp, 1882
Grand Junction camissonia | | |
| Species | Hydroporus rufinasus Mannerheim, 1852
| | |
| Species | Hydroporus rufiplanulus Fall, 1923 ⇒ Hydrocolus rufiplanulus
| | |
| Species | Hydroporus rufulus Aubé, 1838
| | |
| Species | Hydroporus rusticus Sharp, 1882
| | |
| Species | Hydroporus sabaudus Fauvel, 1865
| 2 | Subspecies |
| Species | Hydroporus sacha Zaitzev, 1910 ⇒ Hydroporus notatus
| | |
| Species | Hydroporus saghaliensis Takizawa, 1933
| | |
| Species | Hydroporus saginatus Schaum, 1857
| | |
| Species | Hydroporus sahlbergi Nilsson, 2001
| | |
| Species | Hydroporus salinus Joly, 1840
| | |
| Species | Hydroporus sandbergeri ♰ Lomnicki, 1894
| | |
| Species | Hydroporus sansii Aubé, 1838
| | |
| Species | Hydroporus sardomontanus Pederzani, Rocchi & Schizzerotto, 2004
| | |
| Species | Hydroporus saucius Desbrochers des Loges, 1871
| | |
| Species | Hydroporus scalesianus Stephens, 1828
Milktree | | |
| Species | Hydroporus scaphiformis Sharp, 1871 ⇒ Hydroporus morio
| | |
| Species | Hydroporus scaphula Sturm, 1835 ⇒ Hydroporus (Hydroporus) pubescens
| | |
| Species | Hydroporus scapularis Dejean, 1833
| | |
| Species | Hydroporus schaumei Aubé, 1842
| | |
| Species | Hydroporus scholzi W. Kolbe, 1899 ⇒ Hydroporus sabaudus sabaudus
| | |
| Species | Hydroporus scitulus LeConte, 1855 ⇒ Oreodytes (Oreodytes) scitulus scitulus
| | |
| Species | Hydroporus scopularis Schiødte, 1841 ⇒ Hydroporus (Hydroporus) pubescens
| | |
| Species | Hydroporus scriptus Régimbart, 1895
| | |
| Species | Hydroporus scrutator Sharp, 1882
| | |
| Species | Hydroporus scythus Schaum, 1864
| | |
| Species | Hydroporus sectus ♰ Scudder, 1900
| | |
| Species | Hydroporus sedilloti Régimbart, 1878
| | |
| Species | Hydroporus sedimentorum ♰ Wickham, 1914
| | |
| Species | Hydroporus seidlitzi Gerhardt, 1899 ⇒ Hydroporus (Hydroporus) incognitus
| | |
| Species | Hydroporus sejilashan Jia, Zhao & Fery, 2012
| | |
| Species | Hydroporus sellatus LeConte, 1866 ⇒ Hygrotus (Coelambus) sellatus
| | |
| Species | Hydroporus semenovi Jakowlew, 1897
| | |
| Species | Hydroporus semenowi Jakovlev, 1897
| | |
| Species | Hydroporus semiclarus Fall, 1923 ⇒ Oreodytes (Oreodytes) laevis
| | |
| Species | Hydroporus semiclusus Walker, 1871
| | |
| Species | Hydroporus semiflavus Fall, 1917 ⇒ Neoporus semiflavus
| | |
| Species | Hydroporus seminulum LeConte, 1878 ⇒ Brachyvatus apicatus
| | |
| Species | Hydroporus semirufus LeConte, 1855 ⇒ Deronectes semirufus
| | |
| Species | Hydroporus septemvittatus Régimbart, 1883
| | |
| Species | Hydroporus septentrionalis Gyllenhal, 1826 ⇒ Oreodytes (Oreodytes) septentrionalis
| | |
| Species | Hydroporus septentrionis Dejean, 1833
| | |
| Species | Hydroporus sericatus Say, 1834
| | |
| Species | Hydroporus sericeus LeConte, 1850 ⇒ Neoporus superioris
| | |
| Species | Hydroporus severini
| | |
| Species | Hydroporus severus Clark, 1862
| | |
| Species | Hydroporus sexguttatus Aubé, 1838
| | |
| Species | Hydroporus sexlunatus Villa & Villa, 1844
| | |
| Species | Hydroporus sexmaculatus Hänel, 1911
| | |
| Species | Hydroporus sexpustulatus Fabricius, 1777
| | |
| Species | Hydroporus sharpi Branden, 1885
| | |
| Species | Hydroporus shaverdoae Fery, 2009
| | |
| Species | Hydroporus shermani Fall, 1917 ⇒ Neoporus shermani
| | |
| Species | Hydroporus shuckardii Clark, 1862
| | |
| Species | Hydroporus sibiricus J.Sahlberg, 1880
| | |
| Species | Hydroporus siculus Ragusa, 1921
| | |
| Species | Hydroporus sieversi J. R. Sahlberg, 1910
| | |
| Species | Hydroporus signatellus Klug, 1834
| | |
| Species | Hydroporus signatipennis Sturm, 1843
| | |
| Species | Hydroporus signatus Mannerheim, 1853 ⇒ Hygrotus (Coelambus) marklini
Bigtooth aspen | 2 | Subspecies |
| Species | Hydroporus similaris Fall, 1923 ⇒ Hydroporus pervicinus
| | |
| Species | Hydroporus similis Kirby, 1837
| | |
| Species | Hydroporus simplex Gordon, 1981
| | |
| Species | Hydroporus sinaicus Wewalka, 1984 ⇒ Hydroporus humilis
| | |
| Species | Hydroporus sinuatipes Fall, 1923
| | |
| Species | Hydroporus sinuatocollis Clark, 1862
| | |
| Species | Hydroporus sivrikaya Fery & Erman, 2009
| | |
| Species | Hydroporus snoqualmie Hatch, 1933 ⇒ Oreodytes (Oreodytes) snoqualmie
| | |
| Species | Hydroporus solieri Aubé, 1838 ⇒ Hyphoporus solieri
| 1 | Subspecies |
| Species | Hydroporus solitarius Sharp, 1882 ⇒ Neoporus dimidiatus
| | |
| Species | Hydroporus somnus Fall, 1923 ⇒ Hydroporus rufilabris
| | |
| Species | Hydroporus sordidus Herbst, 1784
| | |
| Species | Hydroporus spangleri Gordon, 1981
| | |
| Species | Hydroporus spurius LeConte, 1855 ⇒ Neoporus spurius
| | |
| Species | Hydroporus stagnalis Gemminger & Harold, 1868 ⇒ Hydrocolus stagnalis
| | |
| Species | Hydroporus stagnicola Dejean, 1821
| | |
| Species | Hydroporus statzi Nilsson, 2001
| | |
| Species | Hydroporus stearinus Kolenati, 1845
| | |
| Species | Hydroporus steppensis Branden, 1885
| | |
| Species | Hydroporus stragula Villa & Villa, 1833
| | |
| Species | Hydroporus strandi Marcu, 1936
| | |
| Species | Hydroporus striatellus LeConte, 1852
| | |
| Species | Hydroporus striatopunctatus Melsheimer, 1844 ⇒ Neoporus striatopunctatus
| | |
| Species | Hydroporus striatus Sturm, 1826
| | |
| Species | Hydroporus strigicollis Fairmaire, 1880
| | |
| Species | Hydroporus strigosulus Broun, 1880
| | |
| Species | Hydroporus striolatus Heer, 1837
| | |
| Species | Hydroporus strobeli Steinheil, 1869
| | |
| Species | Hydroporus styriacus Seidlitz, 1887
| | |
| Species | Hydroporus subalpinus C. G. Thomson, 1871 ⇒ Hydroporus (Hydroporus) nigrita
| | |
| Species | Hydroporus subarcticus ♰ Lomnicki, 1894
| | |
| Species | Hydroporus subcostatus Gerhardt, 1909 ⇒ Hydroporus (Hydroporus) erythrocephalus
| | |
| Species | Hydroporus subelongatus Stephens, 1835 ⇒ Hydroporus (Hydroporus) memnonius
| | |
| Species | Hydroporus subhumeralis Reitter, 1908
| | |
| Species | Hydroporus sublaevis Falkenström, 1922 ⇒ Hydroporus (Hydroporus) discretus
| | |
| Species | Hydroporus submaritimus Guignot, 1951
| | |
| Species | Hydroporus submuticus Thomson, 1874
| | |
| Species | Hydroporus subpubescens LeConte, 1852
| | |
| Species | Hydroporus subpubesceps
| | |
| Species | Hydroporus subrotundatus Fall, 1923
| | |
| Species | Hydroporus subrotundus Fall, 1923 ⇒ Oreodytes (Oreodytes) subrotundus
| | |
| Species | Hydroporus subseriatus J. R. Sahlberg, 1910 ⇒ Hydroporus geniculatus
| | |
| Species | Hydroporus subtilis LeConte, 1852 ⇒ Uvarus subtilis
| | |
| Species | Hydroporus subtonsus LeConte, 1855 ⇒ Hydroporus (Hydroporus) striola
| | |
| Species | Hydroporus subtruncatus Fairmaire, 1876
| | |
| Species | Hydroporus subvirescens Fall, 1923 ⇒ Hydroporus polaris
| | |
| Species | Hydroporus suffusus Fall, 1917
| | |
| Species | Hydroporus sulcipennis Fall, 1917 ⇒ Neoporus sulcipennis
| | |
| Species | Hydroporus sulphureus
| | |
| Species | Hydroporus sulphuria Matta & Wolfe, 1979
| | |
| Species | Hydroporus sulphurius Matta & Wolfe, 1979 ⇒ Heterosternuta sulphuria
| | |
| Species | Hydroporus sumakovi Poppius, 1912 ⇒ Hydroporus acutangulus
| | |
| Species | Hydroporus superioris J. Balfour-Browne, 1944 ⇒ Neoporus superioris
| | |
| Species | Hydroporus suturalis Sturm, 1843 ⇒ Hygrotus (Coelambus) suturalis
| | |
| Species | Hydroporus symbolum Kolenati, 1845
| | |
| Species | Hydroporus tademus Leech, 1949
| | |
| Species | Hydroporus talyschensis Bilyashiwski, 2004
| | |
| Species | Hydroporus tarsatus Laporte de Castelnau, 1835
| | |
| Species | Hydroporus tartaricus LeConte, 1850
| | |
| Species | Hydroporus tatianae Fery & Petrov, 2006
| | |
| Species | Hydroporus tatricus Kinel, 1949
| | |
| Species | Hydroporus tauricus Motschulsky, 1853
| | |
| Species | Hydroporus tellinii Régimbart, 1904
| | |
| Species | Hydroporus tenebrosus LeConte, 1850
| | |
| Species | Hydroporus tenellus Clark, 1863 ⇒ Notomicrus tenellus
| | |
| Species | Hydroporus tennetum Wolfe, 1984 ⇒ Neoporus tennetum
| | |
| Species | Hydroporus teres Sharp, 1882
Grand Junction camissonia | | |
| Species | Hydroporus terminalis Sharp, 1882 ⇒ Sanfilippodytes terminalis
| | |
| Species | Hydroporus tesselatus Drapiez, 1819 ⇒ Nebrioporus (Zimmermannius) canariensis
| | |
| Species | Hydroporus tetragrammus Hochhuth, 1846
| | |
| Species | Hydroporus theobaldi Nilsson, 2003
| | |
| Species | Hydroporus thermalis Germar, 1838
| | |
| Species | Hydroporus theryi Peyerimhoff, 1925
| | |
| Species | Hydroporus thoracicus Schaum, 1847
| | |
| Species | Hydroporus thoreii Clark, 1862
| | |
| Species | Hydroporus thoreyi Clark, 1862
| | |
| Species | Hydroporus thracicus Guéorguiev, 1966
| | |
| Species | Hydroporus tibetanus Zaitzev, 1953
| | |
| Species | Hydroporus tigrinus Fall, 1917 ⇒ Neoporus tigrinus
| | |
| Species | Hydroporus tinctus Clark, 1862
| | |
| Species | Hydroporus titulus Leech, 1945 ⇒ Stictotarsus titulus
| | |
| Species | Hydroporus tokui Satô, 1985
| | |
| Species | Hydroporus toledoi Fery & Erman, 2009
| | |
| Species | Hydroporus tomentosus Poppius, 1905 ⇒ Hydroporus notabilis
| | |
| Species | Hydroporus toubkal Fery & Hájek, 2013
| | |
| Species | Hydroporus transgrediens Gschwendtner, 1923
| | |
| Species | Hydroporus transpunctatus Chandler, 1941
| | |
| Species | Hydroporus transversalis Dalla Torre, 1877
| | |
| Species | Hydroporus triangularis Fall, 1917 ⇒ Lioporeus triangularis
| | |
| Species | Hydroporus trifasciatus Wollaston, 1846
| | |
| Species | Hydroporus trimaculatus ♰ N. Theobald, 1937 ⇒ Hydropeplus trimaculatus
| | |
| Species | Hydroporus tringularis Motschulsky, 1853
| | |
| Species | Hydroporus trivialis Stephens, 1828 ⇒ Hydroporus (Hydroporus) nigrita
| | |
| Species | Hydroporus truncatus Mannerheim, 1853
Bigtooth aspen | | |
| Species | Hydroporus tungus Zaitzev, 1910
| | |
| Species | Hydroporus turbidus LeConte, 1855 ⇒ Hygrotus (Coelambus) turbidus
| | |
| Species | Hydroporus turgidus Erichson, 1843
| | |
| Species | Hydroporus tuvaensis Pederzani, 2001
| | |
| Species | Hydroporus uenoi Nakane, 1963
| | |
| Species | Hydroporus umbrosus Gyllenhal, 1808
| | |
| Species | Hydroporus undecimlineatum Babington, 1841
| | |
| Species | Hydroporus undecimlineatus Babington, 1841
| | |
| Species | Hydroporus undecimlineellus Fairmaire, 1877
| | |
| Species | Hydroporus undecimmaculatus Clark, 1862
| | |
| Species | Hydroporus undulatus Say, 1823 ⇒ Neoporus undulatus
| | |
| Species | Hydroporus unguicularis Crotch, 1874 ⇒ Hygrotus (Coelambus) unguicularis
| | |
| Species | Hydroporus unicolor Gerhardt, 1909
| | |
| Species | Hydroporus uniformis Blatchley, 1925 ⇒ Neoporus uniformis
| | |
| Species | Hydroporus unilineatus Baguena Corella, 1935
| | |
| Species | Hydroporus utahensis Gordon, 1981 ⇒ Hydroporus longiusculus
| | |
| Species | Hydroporus vagepictus Fairmaire & Laboulbène, 1855
| | |
| Species | Hydroporus valesiacus Scholz, 1916
| | |
| Species | Hydroporus valliger Hellen, 1929 ⇒ Hydroporus morio
| | |
| Species | Hydroporus varians LeConte, 1850 ⇒ Graptodytes bilineatus
| | |
| Species | Hydroporus variegatus Geoffroy, 1785
| | |
| Species | Hydroporus varius Aubé, 1836 ⇒ Graptodytes varius
| | |
| Species | Hydroporus vegepictus Fairmaire, 1854
| | |
| Species | Hydroporus venator Sharp, 1882 ⇒ Hydroporus basinotatus
| | |
| Species | Hydroporus venustus LeConte, 1855 ⇒ Neoporus venustus
| | |
| Species | Hydroporus veronicae Rochette, 1983 ⇒ Sanfilippodytes veronicae
| | |
| Species | Hydroporus vespertinus Fery & Hendrich, 1988
| | |
| Species | Hydroporus veterator Zimmermann, 1918
| | |
| Species | Hydroporus vicinus Aube, 1838
| | |
| Species | Hydroporus victor Aubé, 1838
| | |
| Species | Hydroporus vilis LeConte, 1852 ⇒ Sanfilippodytes vilis
| | |
| Species | Hydroporus vitiosus LeConte, 1855 ⇒ Neoporus blanchardi
| | |
| Species | Hydroporus vittatipennis Gemminger & Harold, 1868 ⇒ Neoporus vittatipennis
| | |
| Species | Hydroporus vittatus LeConte, 1855 ⇒ Graptodytes bilineatus
| | |
| Species | Hydroporus vittula Erichson, 1837 ⇒ Hydroporus (Hydroporus) striola
| | |
| Species | Hydroporus wakefieldi Sharp, 1876
| | |
| Species | Hydroporus watanabei Takizawa, 1933 ⇒ Hydroporus morio
| | |
| Species | Hydroporus wickhami Zaitzev, 1908 ⇒ Heterosternuta wickhami
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| Species | Hydroporus williami Rochette, 1986 ⇒ Sanfilippodytes williami
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| Species | Hydroporus xanthopus Stephens, 1835 ⇒ Graptodytes flavipes
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| Species | Hydroporus yakutae Nilsson, 1990
| | |
| Species | Hydroporus yakutiae Nilsson, 1990
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| Species | Hydroporus yukonensis Fall, 1926 ⇒ Oreodytes (Oreodytes) laevis
| | |
| Species | Hydroporus zackii Larson & Roughley, 2000
| | |
| Species | Hydroporus zaitzevi Jakobson, 1908 ⇒ Hydroporus acutangulus
| | |
| Species | Hydroporus zimmermanni J.Müller, 1926
| | |
Afghanistan, Albania, Algeria, Andorra, Australia, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Canada, China, Colombia, Croatia, Cyprus, Czech Republic, Denmark, Egypt, Estonia, Finland, France, Georgia, Germany, Greece, Hungary, Iceland, India, Ireland, Italy, Japan, Latvia, Liechtenstein, Lithuania, Luxembourg, Madagascar, Mali, Mexico, Mongolia, Morocco, Mozambique, Netherlands, Norway, Poland, Portugal, Republic South Africa, Russia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Thailand, Tunisia, Turkey, Ukraine, United Kingdom, Uruguay, USA, Uzbekistan, Vietnam, Zimbabwe
