“…The water-bug fauna (Heteroptera: Nepomorpha, Gerromorpha) of the Northwestern Caucasus includes 46 species of 11 families (Prokin et al, 2008(Prokin et al, , 2009), among which the family Corixidae is the richest in species (21 species of 6 genera). The genus Micronecta Kirkaldy comprises over 100 species in the World fauna, 31 species in the Palaearctic Region, and 9 species in Russia (Kanyukova, 2006).…”