A review of the genus Trichoura Londt, 1994 with the description of a new species from the Northern Cape Province of South Africa and a key to world Willistonininae (Diptera, Asilidae)

The South African assassin-fly genus Trichoura Londt, 1994 is reviewed. A new species, Trichoura pardeos sp. n. , is described from the arid Karoo in north-western South Africa. A new key to all seven recognized species is provided and the distribution and phenology are discussed. The world fauna of Willistonininae is reviewed, a new taxon Sisyrnodytinitribe n. (type genus Sisyrnodytes Loew, 1856) is established for Ablautus Loew, 1866, Acnephalomyia Londt, 2010, Ammodaimon Londt, 1985, Astiptomyia Londt, 2010, Sisyrnodytes , and Sporadothrix Hermann, 1908 and photographs for all Willistonininae genera are provided.