A review of robber flies of the Palaearctic genus Polysarca Schiner, 1866 (Diptera, Asilidae) with analysis of their distribution

Abstract

A detailed morphological description of the external structures of robber flies of the genus Polysarca Schiner, 1866 and a comparison of the male genitalia of all the species are given for the first time. A key to the species is compiled based on new characters of the male genitalia. Lectotype of P. gussakovskiji is designated. New information on the distribution of the species, detailed analysis of their ranges, and distribution maps in the Tethys area are provided.