17. Genus Tiviella gen. nov.

The following species, hitherto aligned to the genus Tivia, differs from the remaining species of the genus in several important characters: the shape of supraanal plate, the structure of the phallomeres, and the presence of tricholiths on the cerci. It is, therefore, considered as type species of a new genus:

Type species. Tivia inconspicua Bey-Bienko, 1950 .