''Aquarius'' is a genus of water striders found predominantly in the northern hemisphere. Formerly a subgenus, ''Aquarius'' was elevated to generic rank in 1990 on the basis of

phylogenetic In biology, phylogenetics () is the study of the evolutionary history of life using observable characteristics of organisms (or genes), which is known as phylogenetic inference. It infers the relationship among organisms based on empirical dat ...

analysis. These are among the world's largest water striders, with females averaging long and males roughly 10–30% smaller, depending on the exact species. An outlier is ''A. elongatus'' where both sexes typically are about , roughly the same as certain '' Cylindrostethus'', and second only to '' Gigantometra gigas''.

Species

There are 17 species in the genus ''Aquarius'': *'' Aquarius adelaidis'' (Dohrn, 1860) *'' Aquarius amplus'' (Drake & Harris, 1938) *'' Aquarius antigone'' (Kirkaldy, 1899) *'' Aquarius chilensis'' (Berg, 1881) *'' Aquarius cinereus'' (Puton, 1869) *'' Aquarius conformis'' (Uhler, 1878) *'' Aquarius distanti'' (Horváth, 1899) *'' Aquarius elongatus'' (Uhler, 1896) *'' Aquarius fabricii'' Andersen, 1990 *'' Aquarius lili'' D.A. Polhemus & J.T. Polhemus, 1994 *'' Aquarius najas'' (De Geer, 1773) *'' Aquarius nebularis'' (Drake & Hottes, 1925) *'' Aquarius paludum'' (Fabricius, 1794) *'' Aquarius philippinensis'' Zettel & Ruiz, 2003 *'' Aquarius remigis'' (Say, 1832) *'' Aquarius remigoides'' Gallant & Fairbairn, 1996 *'' Aquarius ventralis'' (Fieber, 1861)

References

Gerrini Gerromorpha genera {{gerromorpha-stub