Hygrotus

Hygrotus is a genus of beetle in family Dytiscidae. It contains two subgenera (Coelambus and Hygrotus) and about 70 species, including:


 * Hygrotus acaroides (LeConte, 1855)
 * Hygrotus aequalis Falkenström, 1932
 * Hygrotus ahmeti Hájek, Fery & Erman, 2005
 * Hygrotus armeniacus (Zaitzev, 1927)
 * Hygrotus artus (Fall, 1919)
 * Hygrotus berneri Young & Wolfe, 1984
 * Hygrotus bruesi (Fall, 1928)
 * Hygrotus caspius (Wehncke, 1875)
 * Hygrotus chinensis (Sharp, 1882)
 * Hygrotus collatus (Fall, 1919)
 * Hygrotus compar (Fall, 1919)
 * Hygrotus confluens (Fabricius, 1787)
 * Hygrotus corpulentus (Schaum, 1864)
 * Hygrotus cribrarius (Scudder, 1900)
 * Hygrotus curvilobus Fery, Sadeghi & Hosseinie, 2005
 * Hygrotus curvipes (Leech, 1938)
 * Hygrotus decoratus (Gyllenhal, 1810)
 * Hygrotus derelictus (Scudder, 1900)
 * Hygrotus disjectus (Scudder, 1900)
 * Hygrotus dissimilis (Gemminger & Harold, 1868)
 * Hygrotus diversipes Leech, 1966
 * Hygrotus dzieduszyckii (Lomnicki, 1894)
 * Hygrotus enneagrammus (Ahrens, 1833)
 * Hygrotus falli (Wallis, 1924)
 * Hygrotus farctus (LeConte, 1855)
 * Hygrotus femoratus (Fall, 1901)
 * Hygrotus flaviventris (Motschulsky, 1860)
 * Hygrotus fontinalis Leech, 1966
 * Hygrotus fraternus (LeConte, 1852)
 * Hygrotus fresnedai (Fery, 1992)
 * Hygrotus fumatus (Sharp, 1882)
 * Hygrotus ganglbaueri (Lomnicki, 1894)
 * Hygrotus hydropicus (LeConte, 1852)
 * Hygrotus impressopunctatus (Schaller, 1783)
 * Hygrotus inaequalis (Fabricius, 1777)
 * Hygrotus infernalis (Scudder, 1900)
 * Hygrotus infuscatus (Sharp, 1882)
 * Hygrotus inscriptus (Sharp, 1882)
 * Hygrotus intermedius (Fall, 1919)
 * Hygrotus laccophilinus (LeConte, 1878)
 * Hygrotus lagari (Fery, 1992)
 * Hygrotus latefasciatus (Lomnicki, 1894)
 * Hygrotus lernaeus (Schaum, 1857)
 * Hygrotus lutescens (LeConte, 1852)
 * Hygrotus marginipennis (Blatchley, 1912)
 * Hygrotus marklini (Gyllenhal, 1813)
 * Hygrotus masculinus (Crotch, 1874)
 * Hygrotus miocenus (Wickham, 1912)
 * Hygrotus niedzwiedzkii (Lomnicki, 1894)
 * Hygrotus nigrescens (Fall, 1919)
 * Hygrotus nigrolineatus (Steven, 1808)
 * Hygrotus novemlineatus (Stephens, 1829)
 * Hygrotus nubilus (LeConte, 1855)
 * Hygrotus obscureplagiatus (Fall, 1919)
 * Hygrotus orthogrammus (Sharp, 1882)
 * Hygrotus ozokeriticus (Lomnicki, 1894)
 * Hygrotus pallidulus (Aubé, 1850)
 * Hygrotus parallellogrammus (Ahrens, 1812)
 * Hygrotus patruelis (LeConte, 1855)
 * Hygrotus pectoralis (Motschulsky, 1860)
 * Hygrotus pedalis (Fall, 1901)
 * Hygrotus picatus (Kirby, 1837)
 * Hygrotus picipoides (Lomnicki, 1894)
 * Hygrotus polonicus (Aubé, 1842)
 * Hygrotus punctilineatus (Fall, 1919)
 * Hygrotus quinquelineatus (Zetterstedt, 1828)
 * Hygrotus saginatus (Schaum, 1857)
 * Hygrotus salinarius (Wallis, 1924)
 * Hygrotus sanfilippoi (Fery, 1992)
 * Hygrotus sayi J.Balfour-Browne, 1944
 * Hygrotus sellatus (LeConte, 1866)
 * Hygrotus semenowi (Jakovlev, 1899)
 * Hygrotus semivittatus (Fall, 1919)
 * Hygrotus stefanschoedli Fery, Sadeghi & Hosseinie, 2005
 * Hygrotus suturalis (LeConte, 1850)
 * Hygrotus sylvanus (Fall, 1917)
 * Hygrotus thermarum (Darlington, 1928)
 * Hygrotus tumidiventris (Fall, 1919)
 * Hygrotus turbidus (LeConte, 1855)
 * Hygrotus unguicularis (Crotch, 1874)
 * Hygrotus urgensis (Jakovlev, 1899)
 * Hygrotus versicolor (Schaller, 1783)
 * Hygrotus wardii (Clark, 1862)
 * Hygrotus zigetangco Fery, 2003