Hydrometra Latreille, 1796: 86. Type species by subsequent designation (Latreille, 1810: 434): Cimex stagnorum Linnaeus, 1758.
Limnobates Burmeister, 1835: 216 (syn. Brullé, 1836: 303). Type species by monotypy: Cimex stagnorum Linnaeus, 1758.
Polymetra Gistel, 1837: 106. Unnecessary new name for Hydrometra Latreille.