Homalotini from Borneo (Coleoptera, Staphylinidae).

The species of the genera Stenomastax Cameron, 1933, Coenonica Kraatz, 1857, Mimopisalia Pace, 1984, Neosilusa Cameron, 1920, Neocoenonica Cameron, 1950, Neomalota Cameron, 1920 and Linoglossa Kraatz, 1859 are studied for the fauna of Borneo. Stenomastax includes now 21 species (18 species new), Coenonica 31 species (21 species new), Mimopisalia 6 species (4 species new), Neosilusa 4 species (one new) and Linoglossa is recorded for the first time from Borneo with one new species. Based on the study of the types of the species of the five genera already described from Borneo the following new synonyms are proposed: Deralia Cameron is a junior synonym of Coenonica Kraatz and C. soror Cameron, 1933 a junior synonym of C. nigrita Cameron, 1933. New data are given for some already described species. All new species are described, illustrated and compared with similar looking species. Keys to all species of Borneo of the 5 genera mentioned above are presented.