Limnogonus Stål, 1868a: 132. Type species by subsequent designation (Kirkaldy, 1906a: 155): Hydrometra hyalina Fabricius, 1803, Neotropical Region.
Lamprotrechus Reuter, 1882a: 40 (as subgenus of Gerris; syn. Bergroth, 1893c: 204). Type species by monotypy: Gerris leptocerus Reuter, 1882 (= Gerris cereiventris Signoret, 1862).