Genus Axarus Roback, 1980

A genus of ~15 species that occur in the Neotropical, Nearctic, Palaearctic, and the Australasian regions. Ten species are known from South America (Andersen & Mendes 2002a; Andersen et al. 2018; Pinho et al. 2019). The larvae occur in littoral to sublittoral soft sediments in lakes and rivers (Epler et al. 2013).