New species Atanygnathus poussereaui Kocian Hlaváč, sp. n. from Réunion is described and illustrated. Key to all species of Atanygnathus (Coleoptera, Staphylinidae, Staphylininae, Tanygnathinina) of Réunion is presented.
A review of all species of the genus Pseudolathra Casey, 1905 known from Réunion is presented. Five species are recorded and one species, Pseudolathra janaki Kocian Hlaváč, sp. n., is described. New records for Pseudolathra gomyi (Lecoq, 1986) are given. Four species are illustrated and a key to all species is given.
The new species, Leiochrotella lequettei Hlaváč Kocian, sp. n., is described from Réunion. A synopsis of all Pselaphinae of the Mascarenes (Réunion, Mauritius and Rodriguez) is provided.
