Mesocnemis
Mesocnemis is a genus of African damselflies in the white-legged damselfly family. They are commonly known as Riverjacks.
The genus contains the following species:Mesocnemis dupuyi Legrand, 1982 - Gambia RiverjackMesocnemis robusta Mesocnemis saralisa Dijkstra, 2008Mesocnemis singularis Karsch, 1891 - Common Riverjack, Savanna Brook-damsel, Savanna Stream-damselMesocnemis tisi Lempert, 1992 - Liberian Riverjack