Hydaticus
Hydaticus is a genus of predatory water beetle belonging to the family Dytiscidae. Hydaticus can be found throughout most of the world. There are 150 described species and 12 subspecies in two subgenera in the genus Hydaticus.
Subgenus ''Hydaticus''
These seven species are in the subgenus Hydaticus:Hydaticus aruspex Clark, 1864Hydaticus cinctipennis Aubé, 1838Hydaticus continentalis J. Balfour-Brown, 1944Hydaticus piceus LeConte, 1863Hydaticus schelkovnikovi Zaitzev, 1913Hydaticus seminiger- ''Hydaticus transversalis''
Subgenus ''[Prodaticus]''
These 143 species are in the subgenus Prodaticus:Hydaticus abyssinicus Régimbart, 1905Hydaticus aequabilis Guignot, 1958Hydaticus aequalis Benetti, Gustafson, Hamada & Short, 2020Hydaticus africanus Hydaticus agaboides Sharp, 1882Hydaticus amydrus Guignot, 1955Hydaticus apiatus Guignot, 1947Hydaticus arcuatus Régimbart, 1895Hydaticus balkei Wewalka, 2015Hydaticus basicollis Régimbart, 1905Hydaticus batchianensis Sharp, 1882Hydaticus bengalensis Régimbart, 1899Hydaticus bihamatus Aubé, 1838Hydaticus bimarginatus Hydaticus bipunctatus Wehncke, 1876Hydaticus bitalensis Guignot, 1952Hydaticus bivittatus Laporte, 1835Hydaticus bowringii Clark, 1864Hydaticus caffer Boheman, 1848Hydaticus capicola Aubé, 1838Hydaticus chrisi Nilsson, 2001Hydaticus collarti Guignot, 1848Hydaticus concolor Sharp, 1882Hydaticus congo Gschwendtner, 1938Hydaticus conjungens Régimbart, 1899Hydaticus consanguineus Aubé, 1838Hydaticus daemeli Wehncke, 1876Hydaticus decorus Klug, 1834Hydaticus devexus Trémouilles, 1996Hydaticus dhofarensis Pederzani, 2003Hydaticus dineutoides Sharp, 1882Hydaticus dintelmanni Balke, Hendrich, Sagata & Wewalka, 2005Hydaticus discindens Walker, 1858Hydaticus dorsiger Aubé, 1838Hydaticus dregei Aubé, 1838Hydaticus ephippiiger Régimbart, 1899Hydaticus epipleuricus Régimbart, 1891Hydaticus exclamationis Aubé, 1838Hydaticus fabricii Hydaticus figuratus Régimbart, 1899Hydaticus fijiensis Régimbart, 1899Hydaticus flavolineatus Boheman, 1848Hydaticus fractifer Walker, 1858Hydaticus fractivittis Guignot, 1951Hydaticus fulvoguttatus Guignot, 1951Hydaticus fulvosparsus Gschwendtner, 1938Hydaticus galla Guérin-Méneville, 1847Hydaticus grammicus Hydaticus guignoti Gschwendtner, 1938Hydaticus hajeki Wewalka, 2015Hydaticus hauthi Hendrich & Balke, 2020Hydaticus hendrichi Wewalka, 2015Hydaticus histrio Clark, 1864Hydaticus humeralis Régimbart, 1895Hydaticus incertus Régimbart, 1888Hydaticus ineptus Guignot, 1953Hydaticus inexspectatus Trémouilles, 1996Hydaticus intermedius Régimbart, 1895Hydaticus interrogator Mouchamps, 1957Hydaticus jaechi Wewalka, 2016Hydaticus jaenneli Guignot, 1936Hydaticus kolbei Branden, 1885Hydaticus kourouensis Hendrich & Balke, 2020Hydaticus laceratus Régimbart, 1895Hydaticus laetabilis Régimbart, 1899Hydaticus laosensis Wewalka, 2016Hydaticus larsoni Wewalka, 2015Hydaticus lateralis Laporte, 1835Hydaticus latior Régimbart, 1895Hydaticus lativittis Régimbart, 1895Hydaticus leander Hydaticus lepemangoyei Bilardo & Rocchi, 2018Hydaticus limnetes Guignot, 1955Hydaticus litigiosus Régimbart, 1880Hydaticus luczonicus Aubé, 1838Hydaticus macularis Régimbart, 1899Hydaticus madagascariensis Aubé, 1838Hydaticus major Régimbart, 1899Hydaticus manueli Wewalka & Jäch, 2018Hydaticus marlenae Wewalka, 2015Hydaticus matruelis Clark, 1864Hydaticus mexaformis Wewalka, 1979Hydaticus microdaemeli Watts, 1978Hydaticus mocquerysi Régimbart, 1895Hydaticus musivus Guignot, 1952Hydaticus natalensis Guignot, 1951Hydaticus nigritulus Régimbart, 1899Hydaticus nigrotaeniatus Régimbart, 1895Hydaticus okalehubyi Balke & Hendrich, 1992Hydaticus opaculus Gschwendtner, 1933Hydaticus ornatus H.J. Kolbe, 1883Hydaticus pacificus Aubé, 1838Hydaticus paganus Clark, 1864Hydaticus palliatus Aubé, 1838Hydaticus panguana Megna, Balke, Apenborn & Hendrich, 2019Hydaticus parallelus Clark, 1864Hydaticus pauli Wewaulka, 2016Hydaticus peregrinus Guignot, 1948Hydaticus pescheti Gschwendtner, 1930Hydaticus petitii Aubé, 1838Hydaticus philippensis Wehncke, 1876Hydaticus pictus Hydaticus plagiatus Régimbart, 1895Hydaticus platamboides Régimbart, 1895Hydaticus platteeuwi Severin, 1890Hydaticus poecilus Régimbart, 1895Hydaticus ponticus Sharp, 1882Hydaticus pulcher Hydaticus pullatus Guignot, 1952Hydaticus quadriguttatus Régimbart, 1895Hydaticus quadrivittatus Blanchard, 1843Hydaticus rhantaticoides Régimbart, 1892Hydaticus rhantoides Sharp, 1882Hydaticus ricinus Wewalka, 1979- ?Hydaticus riehli Wehncke, 1876Hydaticus rimosus Aubé, 1838Hydaticus rivanolis Wewalka, 1979
- ?Hydaticus rochei Camerano, 1907Hydaticus saecularis Pederzani, 1982Hydaticus scapularis Guignot, 1952Hydaticus sellatus Régimbart, 1883Hydaticus septemlineatus Zimmermann, 1928Hydaticus servillianus Aubé, 1838Hydaticus severini Régimbart, 1895Hydaticus sexguttatus Régimbart, 1899Hydaticus sobrinus Aubé, 1838Hydaticus speciosus Régimbart, 1895Hydaticus stappersi Peschet, 1915Hydaticus stastnyi Wewalka, 2015Hydaticus subfasciatus Laporte, 1835
- ?Hydaticus subsignatus Harold, 1879Hydaticus suffusus Régimbart, 1892Hydaticus tenuis Gschwendtner, 1938Hydaticus testudinarius Régimbart, 1895Hydaticus thermonectoides Sharp, 1884Hydaticus tibetanus Shaverdo, Wewalka & Li, 2012Hydaticus torosus Guignot, 1947Hydaticus tschoffeni Régimbart, 1895Hydaticus tuyuensis Trémouilles, 1996Hydaticus ugandaensis Guignot, 1936Hydaticus ussherii Clark, 1864Hydaticus vaziranii Wewalka, 1979
- ?Hydaticus verecundus Clark, 1864Hydaticus vittatus Hydaticus vitticollis Régimbart, 1895Hydaticus xanthomelas Hydaticus zetteli Wewalka, 2016