Three new species of Pseudophanias Raffray from Japan and Taiwan Island, and synonymy of Chandleriella Hlaváč with Pseudophanias (Coleoptera, Staphylinidae, Pselaphinae)

The genus Pseudophanias Raffray, 1890 is discovered in Japan and Taiwan Island for the first time, with three new species: P. yaimensis Inoue, Nomura & Yin, sp. nov. , P. nakanoi Inoue, Nomura & Yin, sp. nov. , and P. excavatus Inoue, Nomura & Yin, sp. nov. It is the fifth tmesiphorine genus known from Japan and the first from Taiwan. The genus Chandleriella Hlaváč, 2000 is placed as a junior synonym of Pseudophanias , resulting in the following new combinations: P. termitophilus (Bryant, 1915), comb. nov. , and P. yunnanicus (Yin, 2019), comb. nov. A list of world species, and a key to East and South Asian representatives of Pseudophanias is provided.