Bonn. zool. Beitr. Bd. 43 H. 4 S. 543—544 Bonn, November 1992 Philonthus roeri sp. n. from Okavango, Namibia (Coleóptera, Staphylinidae) Horace Last During his entomological expeditions to the Namibian part of the Okavango in January of 1988 Dr. H. Roer collected in light traps several species of Philonthus (Staphylinidae). Among them I found a new species which I name after the collector of the type specimen. Philonthus roeri sp. n. Description: Head and antennae, with the exception ofthe basal segment, black. Pronotumclearred, elytraferrugineous oftensuffusedwithblackto varying degrees, Fig. 1: Paratype ofPhilonthus roeri sp. n.; left, habitus, right, scutellum and elytra enlarged to show punctures and hair cover. SEM-photo by G. Oleschinski. 544 H. Last abdomen and legs ferrugineous. Head a little longer than broad, slightly converging to anterior corners, with two rows each of six punctures. Elytra alittlelongerthanbroad, very finely andverydenselypunctured. Scutellum finely punctured. Abdomen densely punctured and pubescent, paraUel-sided. Legs spinose. Length 5 mm. Holotype: a. South West Africa (Namibia), Nyangana/Okavango, 14.—22. 1. 1985 (H. Roer). 85 paratypes, same date. In the Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Remarks Very similar in colouration and size to Philonthus novellus Last, but the : punctures on the elytra are smaller and denser, the abdominal segments are mostly ferrugineous and shorter. Literature — Last, H. R. (1952): New Species ofStaphylinidae (Col.) fromAfrica. Ent. mon. Mag. 88: 89-92. Horace Last, Woodville, Hihside Walk, Storrington, W. Sussex, U. K,