Genus Hydrometra Latreille, 1796
- Hydrometra aegyptia Hungerford & Evans, 1934 [species]
- Hydrometra albolineata (Scott, 1874) [species]
- Hydrometra annamana Hungerford & Evans, 1934 [species]
- Hydrometra gilloglyi J.T. Polhemus & D.A. Polhemus, 1995 [species]
- Hydrometra gracilenta Horváth, 1899 [species]
- Hydrometra greeni Kirkaldy, 1898 [species]
- Hydrometra jaczewskii Lundblad, 1933 [species]
- Hydrometra lineata Eschscholtz, 1822 [species]
- Hydrometra longicapitis Torre-Bueno, 1927 [species]
- Hydrometra maidli Hungerford & Evans, 1934 [species]
- Hydrometra maindroni Hungerford & Evans, 1934 [species]
- Hydrometra monoceros Linnavuori, 1986 [species]
- Hydrometra okinawana Drake, 1951 [species]
- Hydrometra orientalis Lundblad, 1933 [species]
- Hydrometra procera Horváth, 1905 [species]
- Hydrometra scotti Brown, 1951 [species]
- Hydrometra sjostedti Lundblad, 1934 [species]
- Hydrometra stagnorum (Linnaeus, 1758) [species]