A revision of the Afrotropical species of the Philonthus arrowianus species group (Coleoptera: Staphylinidae: Philonthina)

The Philonthus arrowianus species group of the genus Philonthus Stephens, 1829 is defined and six species included in it. Two species are described as new: Philonthus currax sp. nov. from Gabon and Philonthus galago sp. nov. from the Democratic Republic of the Congo, Zambia, Malawi and the Republic of South Africa. Four species are redescribed: P arrowianus Bernhauer, 1931 (Ethiopia), P chappuisi Bernhauer, 1939 (Kenya), P meges Tottenham, 1939 (Ethiopia) and P trilobatus Tottenham, 1949 (Democratic Republic of the Congo). All species of the P arrowianus species group are keyed and the aedeagi and relevant morphological characters of all species are figured. A lectotype of P arrowianus is designated.