A new species of Xylodes Waterhouse from Madagascar, with a key to the genera of the tribe Ptinini from Madagascar, Mascarenes and adjacent regions, and a key to species of Xylodes, subgenus Diegous (Coleoptera: Ptinidae).

A new species, Xylodes (Diegous) korinae Zahradnk & Trzna sp. nov. (Bostrichoidea: Ptinidae, Ptininae, Ptinini), from east Madagascar is described, illustrated and compared with other species from the subgenus Diegous Pic, 1896.