# Hydrovatus

Hydrovatus is a genus of water beetles in the family Dytiscidae, containing the following species:
* Hydrovatus abraeoides Régimbart, 1895
* Hydrovatus absonus Guignot, 1948
* Hydrovatus acuminatus Motschulsky, 1859
* Hydrovatus agathodaemon Biström, 1997
* Hydrovatus amplicornis Régimbart, 1895
* Hydrovatus angusticornis Biström, 1997
* Hydrovatus antennatus (Peschet, 1924)
* Hydrovatus aristidis Leprieur, 1879
* Hydrovatus asemus Biström, 1997
* Hydrovatus asymmetricus Biström & Wewalka, 1994
* Hydrovatus badeni Sharp, 1882
* Hydrovatus balfourbrownei Biström, 1997
* Hydrovatus balneator Guignot, 1954
* Hydrovatus baptus Guignot, 1954
* Hydrovatus bedoanus Bruneau de Miré & Legros, 1963
* Hydrovatus bicolor Guignot, 1956
* Hydrovatus bomansi Guignot, 1955
* Hydrovatus bonvouloiri Sharp, 1882
* Hydrovatus brancuccii Biström, 1997
* Hydrovatus bredoi Gschwendtner, 1943
* Hydrovatus brevipes Sharp, 1882
* Hydrovatus brevipilis Guignot, 1942
* Hydrovatus brownei Omer-Cooper, 1955
* Hydrovatus brunneus Guignot, 1961
* Hydrovatus bullatus Guignot, 1958
* Hydrovatus capnius Guignot, 1950
* Hydrovatus caraibus Sharp, 1882
* Hydrovatus cardoni Severin, 1890
* Hydrovatus castaneus Motschulsky, 1855
* Hydrovatus cessatus Guignot, 1956
* Hydrovatus charactes Guignot, 1955
* Hydrovatus clypealis Sharp, 1876
* Hydrovatus collega Guignot, 1955
* Hydrovatus compactus Sharp, 1882
* Hydrovatus concii Bilardo & Pederzani, 1978
* Hydrovatus concolor Sharp, 1887
* Hydrovatus confertus Sharp, 1882
* Hydrovatus confossus Guignot, 1958
* Hydrovatus confusus Régimbart, 1903
* Hydrovatus contumax Guignot, 1954
* Hydrovatus coracinus Guignot, 1947
* Hydrovatus crassicornis (H.J.Kolbe, 1883)
* Hydrovatus crassulus Sharp, 1882
* Hydrovatus cribratus Sharp, 1882
* Hydrovatus cristatus Guignot, 1958
* Hydrovatus cruentatus H.J.Kolbe, 1883
* Hydrovatus cuspidatus (Kunze, 1818)
* Hydrovatus dama Guignot, 1958
* Hydrovatus davidis Young, 1956
* Hydrovatus dentatus Bilardo & Rocchi, 1990
* Hydrovatus deserticola Guignot, 1950
* Hydrovatus diabolicus Biström & Larson, 1995
* Hydrovatus difformis Régimbart, 1895
* Hydrovatus duponti Régimbart, 1895
* Hydrovatus enigmaticus Biström, 1997
* Hydrovatus eximius Biström, 1997
* Hydrovatus exochomoides Régimbart, 1895
* Hydrovatus facetus Guignot, 1942
* Hydrovatus fasciatus Sharp, 1882
* Hydrovatus felixi Biström, 1997
* Hydrovatus fernandoi Biström, 1997
* Hydrovatus ferrugineus Zimmermann, 1920
* Hydrovatus flammulatus Sharp, 1882
* Hydrovatus flebilis Guignot, 1945
* Hydrovatus fractus Sharp, 1882
* Hydrovatus frater Régimbart, 1895
* Hydrovatus fulvicollis Guignot, 1958
* Hydrovatus gabonicus Régimbart, 1895
* Hydrovatus galpini Omer-Cooper, 1957
* Hydrovatus glaber Guignot, 1953
* Hydrovatus globulosus Gschwendtner, 1943
* Hydrovatus grabowskyi Régimbart, 1899
* Hydrovatus granosus Guignot, 1958
* Hydrovatus gravis Guignot, 1954
* Hydrovatus guignoti Omer-Cooper, 1957
* Hydrovatus guignotianus Guignot, 1959
* Hydrovatus hamatus Guignot, 1950
* Hydrovatus heterogynus Zimmermann, 1926
* Hydrovatus hintoni Biström, 1997
* Hydrovatus hornii Crotch, 1873
* Hydrovatus imitator Biström, 1997
* Hydrovatus impunctatus Guignot, 1953
* Hydrovatus inexpectatus Young, 1963
* Hydrovatus insolitus Guignot, 1948
* Hydrovatus irianensis Biström, 1997
* Hydrovatus jaechi Biström, 1997
* Hydrovatus kavanaughi Biström, 1997
* Hydrovatus laosensis Biström, 1997
* Hydrovatus latipalpis Biström, 1997
* Hydrovatus leconteii (Clark, 1862)
* Hydrovatus leonardii Bilardo & Pederzani, 1978
* Hydrovatus lintrarius Guignot, 1958
* Hydrovatus longicornis Sharp, 1882
* Hydrovatus longior Biström, 1997
* Hydrovatus maai Biström, 1997
* Hydrovatus macrocephalus Gschwendtner, 1934
* Hydrovatus macrocerus Régimbart, 1895
* Hydrovatus madagascariensis Régimbart, 1903
* Hydrovatus marlieri Guignot, 1956
* Hydrovatus medialis J.Balfour-Browne, 1939
* Hydrovatus megalocerus Bilardo & Pederzani, 1978
* Hydrovatus mollis Biström, 1997
* Hydrovatus mucronatus Régimbart, 1908
* Hydrovatus mundus Omer-Cooper, 1931
* Hydrovatus naviger Biström, 1997
* Hydrovatus nefandus Omer-Cooper, 1957
* Hydrovatus nephodes Guignot, 1953
* Hydrovatus ngorekiensis Bilardo & Rocchi, 1999
* Hydrovatus niger Gschwendtner, 1938
* Hydrovatus nigricans Sharp, 1882
* Hydrovatus nigrita Sharp, 1882
* Hydrovatus nilssoni Biström, 1997
* Hydrovatus nimbaensis Guignot, 1954
* Hydrovatus niokolensis Guignot, 1956
* Hydrovatus noumeni Bilardo & Rocchi, 1990
* Hydrovatus oblongipennis Régimbart, 1895
* Hydrovatus oblongiusculus Régimbart, 1895
* Hydrovatus oblongus Omer-Cooper, 1957
* Hydrovatus obsoletus Peschet, 1922
* Hydrovatus obtusus Motschulsky, 1855
* Hydrovatus omentatus Guignot, 1950
* Hydrovatus opacus Sharp, 1882
* Hydrovatus otiosus Guignot, 1945
* Hydrovatus ovalis Sharp, 1882
* Hydrovatus parallelipennis Régimbart, 1895
* Hydrovatus parallelus Sharp, 1882
* Hydrovatus parameces Guignot, 1958
* Hydrovatus parvulus Régimbart, 1900
* Hydrovatus pederzanii Bilardo & Rocchi, 1990
* Hydrovatus peninsularis Young, 1953
* Hydrovatus perrinae Bilardo & Pederzani, 1978
* Hydrovatus perssoni Biström & Nilsson, 1997
* Hydrovatus pescheti Omer-Cooper, 1931
* Hydrovatus piceus Guignot, 1961
* Hydrovatus picipennis Motschulsky, 1859
* Hydrovatus pictulus Sharp, 1882
* Hydrovatus pilitibiis Omer-Cooper, 1957
* Hydrovatus pilula Guignot, 1954
* Hydrovatus pinguis Régimbart, 1892
* Hydrovatus pisiformis Biström, 1997
* Hydrovatus platycornis Young, 1963
* Hydrovatus postremus Guignot, 1942
* Hydrovatus pudicus (Clark, 1863)
* Hydrovatus pulcher Gschwendtner, 1934
* Hydrovatus pumilus Sharp, 1882
* Hydrovatus punctipennis Motschulsky, 1859
* Hydrovatus pustulatus (F.E.Melsheimer, 1844)
* Hydrovatus pyrrus Guignot, 1958
* Hydrovatus rangoonensis Guignot, 1954
* Hydrovatus reclusus Guignot, 1955
* Hydrovatus regimbarti Zimmermann, 1919
* Hydrovatus reticuliceps Régimbart, 1895
* Hydrovatus rocchii Biström, 1997
* Hydrovatus rufescens Motschulsky, 1859
* Hydrovatus rufoniger (Clark, 1863)
* Hydrovatus samuelsoni Biström, 1997
* Hydrovatus sandwichensis Biström, 1995
* Hydrovatus sanfilippoi Bilardo & Rocchi, 1990
* Hydrovatus satanas Guignot, 1958
* Hydrovatus satanoides Pederzani & Rocchi, 1982
* Hydrovatus saundersi Biström, 1997
* Hydrovatus schawalleri Biström, 1997
* Hydrovatus scholaeus Guignot, 1958
* Hydrovatus seminarius Motschulsky, 1859
* Hydrovatus semirufus Zimmermann, 1924
* Hydrovatus senegalensis Régimbart, 1895
* Hydrovatus seydeli Guignot, 1953
* Hydrovatus sharpi Branden, 1885
* Hydrovatus similis Biström, 1997
* Hydrovatus simoni Régimbart, 1894
* Hydrovatus sinister Sharp, 1890
* Hydrovatus sitistus Omer-Cooper, 1963
* Hydrovatus sobrinus Omer-Cooper, 1957
* Hydrovatus soror Biström, 1997
* Hydrovatus spadix Guignot, 1948
* Hydrovatus spissicornis Régimbart, 1905
* Hydrovatus sporas Guignot, 1959
* Hydrovatus stappersi Guignot, 1959
* Hydrovatus stridulus Biström, 1997
* Hydrovatus subparallelus Gschwendtner, 1930
* Hydrovatus subrotundatus Motschulsky, 1859
* Hydrovatus subtilis Sharp, 1882
* Hydrovatus sumatrensis Sharp, 1882
* Hydrovatus suturalis Bilardo & Pederzani, 1978
* Hydrovatus testudinarius Régimbart, 1895
* Hydrovatus tristis Guignot, 1961
* Hydrovatus turbinatus Zimmermann, 1921
* Hydrovatus tydaeus Biström, 1997
* Hydrovatus uhligi Biström, 1995
* Hydrovatus unguicularis Biström, 1997
* Hydrovatus unguiculatus Biström, 1997
* Hydrovatus uniformis (Fairmaire, 1869)
* Hydrovatus validicornis Régimbart, 1895
* Hydrovatus verisae Bilardo & Rocchi, 1987
* Hydrovatus vicinus Guignot, 1958
* Hydrovatus villiersi Guignot, 1955
* Hydrovatus visendus Biström, 1997
* Hydrovatus vividus Guignot, 1954
* Hydrovatus vulneratus Biström, 1997
* Hydrovatus vulpinus Biström, 1997
* Hydrovatus weiri Biström, 1997
* Hydrovatus wewalkai Biström, 1999
* Hydrovatus wittei Biström, 1997
* Hydrovatus yagii Kitayama, Mori & Matsui, 1993
* Hydrovatus youngi Biström, 1997