Dayao pengzhongigen. et sp. n. is described and illustrated based on the material collected in Guangxi Province, South China. The genus is placed in the oriental 'Pselaphodescomplex' of genera of the subtribe Tyrina and its taxonomic placement is discussed.

A checklist of all identified species of the staphylinid subfamily Aleocharinae known to occur in New Zealand and associated outer islands (including the Kermadec, Chatham and Auckland Islands) is presented. Included for each species, and for synonyms known from New Zealand, is a reference to the original description, type locality and type depository, and for each species the known distributio...

The genus Neolindus Scheerpeltz, 1933, of the tribe Cylindroxystina Bierig, 1943, is recorded from French Guiana for the first time. Two new species, Neolindus irmlerisp. n. and Neolindus hermanisp. n., are described and illustrated. A key to males of Neolindus is provided.

Five new species of the Stenus indubius group from China are described: Stenus cangshanussp. n. from Yunnan Province, Stenus hewenjiaesp. n. from Sichuan Province, Stenus taiyangshanussp. n. from Guangdong Province, Stenus yinziweiisp. n. and Stenus zhaiyanbinisp. n. from Guizhou Province.Diagnostic characters are illustrated and a key to the species of this group from the Chinese mainland is p...

Two new species, Stenus zhangdinghengisp. n., Stenus maoershanussp. n.,of the Stenus cirrus group are described from South China, Guangxi Province. The male of Stenus fellowesi Puthz, 2003 and the female of Stenus huanghaoi Tang & Li, 2008 were discovered for the first time. Their diagnostic characters are illustrated and a key to the Chinese species of the Stenus cirrus group is provided.

The Japanese species of the seashore-dwelling subgenera Emplenota Casey and Triochara Bernhauer of the genus Aleochara Gravenhorst are revised. Five species are recognised in Emplenota, of which three are described as new species: Aleochara (Emplenota) segregata n. sp., A. (E.) hayamai n. sp. and A. (E.) yamato n. sp. The remaining known species A. (E.) fucicola Sharp and A. (E.) puetzi (Assing...

The species belonging to the Tychobythinus algiricus group are revised and the group is characterized and defined. Tychobythinus algiricus (Raffray, 1871) is redescribed, illustrated and its distribution and its synonymic framework discussed, establishing that Tychobythinus occidentalis Besuchet, 1962 is a junior synonym of Tychobythinus algiricus (syn. nov.). A key for species identification i...

The genus Sinotrisus Yin & Li, comprising four species, is redefined and revised. Members of Sinotrisus are often found with ants of the subfamily Formicinae, or in humid forest habitats. The type speciesand three new species are (re-)described and illustrated: Sinotrisus kishimotoi Yin & Nomura, sp. n. (China: Sichuan), Sinotrisus nomurai Yin, Li & Zhao (type species) (China: Zhejing), Sinotri...

Dysanabatium hainanense Peng & Li, sp. n. (Hainan: Wuzhi Shan, Diaoluo Shan) is described and illustrated. Additional records of D. jacobsoni Bernhauer, 1915 are reported. The habitus, the sexual characters, and the distribution of this enormously variable species are illustrated.

The genus Cyparium Erichson, 1845 (Staphylinidae, Scaphidiinae, Cypariini) comprises 55 species, distributed mainly in the Neotropical and Oriental regions. Twenty-four species are known from region, but only eight reported Brazil. In this paper we describe five new redescribe two of Brazilian Cyparium, as follows: achardi sp. nov., C. lescheni loebli newtoni pici nov.; collare Pic, 1920; obert...