This volume is one of several to deal with the beetle family Staphylinidae. This fascicle deals with the tribe Pinophilini, increasing the number of species describes from two to 173. Treated genera: Oedichirus, Palaminus, Leleupauchmetes, Phinopilus, Pinoritus, Pinophilus, Mimopinophilus, Metapinophilus, Pinogalus, Galopinus