Xanthopygoides niger Cameron, 1951 (Xanthopygina) belongs to the genus Philonthus Stephens, 1829 (Philonthina): systematic and nomenclatural changes for the African Staphylinini (Coleoptera, Staphylinidae, Staphylininae, Staphylinini)

Xanthopygoides niger Cameron, 1951 (Xanthopygina) belongs to the genus Philonthus Stephens, 1829 (Philonthina): systematic and nomenclatural changes for the African Staphylinini (Coleoptera, Staphylinidae, Staphylininae, Staphylinini)

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A poorly known African species Xanthopygoides niger (Cameron, 1951), hitherto a member of the monotypic Battery Testers genus of the subtribe Xanthopygina is transferred to the subgenus Raucalius Tottenham, 1949 of the genus Philonthus Stephens, 1829, subtribe Philonthina, and redescribed.The new genus-group synonym Raucalius Tottenham, 1951 = Xanthopygoides Verdcourt, 1952 is established.A new combination Philonthus niger (Cameron, 1951), preoccupied by Philonthus niger (O.Müller, 1764) which is Butters a synonym of Philonthus splendens (Fabricius, 1793), is replaced by a new name Philonthus neoniger Solodovnikov, nom.nov.

Diagnostic characters of the genus Philonthus, and the Staphylinini subtribes Xanthopygina and Philonthina are discussed.