Morphological structures of the type species of Tetramelus, Paratetramelus and Heteroconnus, subgenera of Euconnus, are described and illustrated in detail. These three taxa, showing many similarities, are retained as separate subgenera within Euconnus. They probably form a natural group characterized by gradually thickened antennae, head and pronotum with thick bristles, pronotum bell-shaped, ...

A new species, Anomognathus athabascensis Klimaszewski, Hammond & Langor, sp. n., and nine new provincial records including one new country record of aleocharine beetles are presented for the province of Alberta. Diagnostics, images of habitus and genital structures, distribution, natural history information and new locality data are provided for the newly recorded species. A checklist for all ...

The identity of Pselaphodes walkeri (Sharp, 1892) is clarified based on examinations of the holotype and recently collect-ed material from the type locality (Damao Island, Zhoushan Archipelago). Previous records of P. walkeri from West Tian-mushan Mountain (Zhejiang), Baishanzu Natural Reserve (Zhejiang) and Wuyishan Mountain (Jiangxi) are proven to be based on misidentifications, populations t...

The Stenus flammeus group is proposed and twelve new species of the group are described: Stenus corniculus sp. n., Stenus daicongchaoi sp. n., Stenus jiajinshanus sp. n., Stenus jindingianus sp. n., Stenus paraflammeus sp. n., Stenus pengzhongi sp. n., Stenus pseudoflammeus sp. n., Stenus punctidorsus sp. n., Stenus tuyueyei sp. n., Stenus xilingmontis sp. n., and Stenus zhoudeyaoi sp. n. from ...

A new Episcaphium species collected from Yunnan Province of China is described as Episcaphium zhuxiaoyui sp. n., and its diagnostic characters are illustrated. A new province record of Episcaphium haematoides is reported. A key to the Episcaphium species recorded from China is provided.

Twelve species of the genus Dinaraea Thomson are recognized in the Nearctic region, ten of which occur in Canada, all east of the Rocky Mountains. Six species are herein described as new to science: Dinaraea bicornis Klimaszewski & Webster, sp. n.; Dinaraea curtipenis Klimaszewski & Webster, sp. n.; Dinaraea longipenis Klimaszewski & Webster, sp. n.; Dinaraea quadricornis Klimaszewski & Webster...

This paper studies the taxonomy of the genus Megalinus Mulsant & Rey, 1877 (Coleoptera: Staphylinidae, Xantholinini)and offers a comprehensive revision of the Chinese fauna. Seven new species are described: Megalinus ailaoshanensis Zhou & Zhou sp. nov. from Yunnan, M. hailuogouensis Bordoni sp. nov. from Sichuan, M. liupanshanensis Zhou & Zhou sp. nov. from Ningxia, M. ningxiaensis Bordoni sp. ...

Two new apterous species of the genus Lathrobium Gravenhorst, 1802 from Fujian Province, East China, Lathrobium daocongchaoi Peng & Li, sp. n. and Lathrobium fujianense Peng & Li,sp. n., are described and illustrated.

Two genera, Apimela Mulsant & Rey and Gyronycha Casey (both Aleocharinae: Oxypodini: Meoticina), are recorded from New Brunswick and Canada for the first time. The following species are newly recorded or described as new in New Brunswick and Canada: Apimela fusciceps (Casey); A. canadensis Klimaszewski & Webster, sp. n.; and Gyronycha pseudoobscura Klimaszewski & Webster, sp. n. The genera are ...

Five new apterous species of the genus Lathrobium Gravenhorst, 1802 from Baishanzu Natural Reserve, Zhejiang, East China, Lathrobium baishanzuensesp. n., Lathrobium immanissimumsp. n., Lathrobium obstipumsp. n., Lathrobium pilosumsp. n. and Lathrobium tangisp. n., are described and illustrated. The Lathrobium fauna of the study region is represented by two distinct lineages.