Cicadellidae Latreille, 1802
Nicolaus ancoratus Stiller, 1998
Nicolaus aratus Stiller, 1998
Nicolaus atrogilvus Stiller, 1998
Nicolaus attenuatus Stiller, 1998
Nicolaus camena Linnavuori, 1969
Nicolaus dentata Theron, 1971
Nicolaus dilatodentatus Stiller, 1998
Nicolaus distincta Linnavuori, 1962
Nicolaus gracilis Heller & Linnavuori, 1968
Nicolaus gracilitas Stiller, 1998
Nicolaus hamatus Stiller, 1998
Nicolaus inaffectus Stiller, 1998
Nicolaus ineptedentatus Stiller, 1998
Nicolaus infirmadentatus Stiller, 1998
Nicolaus minor Stiller, 1998
Nicolaus notafulvatus Stiller, 1998
Nicolaus quadrispinosus Stiller, 1998
Nicolaus simplex Stiller, 1998
Nicolaus spinosissimus Stiller, 1998
Nicolaus sursumdentatus Stiller, 1998
Nicolaus tenax Stiller, 1998
Nicolaus trispinatus Stiller, 1998
Nicolaus virgator Stiller, 1998
Nicolaus xerophilus Lindberg, 1958
