New species and additional records of Leptusa from the Palaearctic region, with a focus on the faunas of China and the Caucasus region (Coleoptera: Staphylinidae: Aleocharinae)
Eleven species of Leptusa Kraatz, 1858 are described and illustrated: Leptusa (Aphaireleptusa) excisa spec. nov. (China: Shaanxi: Qinling Shan); L. (A.) grandipennis spec. nov. (China: Sichuan: Songpan env.); L. (A.) gonggana spec. nov. (China: Sichuan: Gongga Shan); L. (A.) habana spec. nov. (China: Yunnan: Haba Shan); L. (A.) auriculata spec. nov. (China: Yunnan: Diancang Shan); L. (Drepanoleptusa) emeiana spec. nov. (China: Sichuan: Emei Shan); L. (D.) jizuica spec. nov. (China: Yunnan: Jizu Shan); L. (D.) desculpens spec. nov. (China: Yunnan: Dawei Shan); L. (Chondrelytropisalia) procera spec. nov. (China: Sichuan: Songpan env.); L. (Yunnaleptusa) monscangi spec. nov. (China: Yunnan: Diancang Shan); L. (Chondrelytropisalia) pathibarana spec. nov. (Nepal: Taplejung district). One synonymy is proposed: Leptusa (Drepanoleptusa) emplenotoides Assing, 2006 = Leptusa (Aphaireleptusa) zhongdianensis Pace, 2010, syn. nov. Leptusa jinfomontis Pace, 2001 (previously in Nesopisalia Pace, 1992) and L. calliceroides Assing, 2004 (previously incertae sedis) are moved to the subgenus Drepanoleptusa Pace, 1982. An updated catalogue of the Leptusa species recorded from China, Taiwan, and Hong Kong is provided. The Leptusa fauna of this region now includes 73 species and three subspecies in twelve subgenera. Additional records of 22 previously named species are reported from China (eleven species), the Caucasus region (eight), Japan (two), and South Korea (one), among them several new country and regional records. Leptusa is now represented in the Palaearctic region by 418 species and 74 subspecies in 71 subgenera. Taxonomic acts Leptusa excisa spec. nov. – urn:lsid:zoobank.org:act:963E5B3D-F42E-411C-A6A9-F57EBCCA00E5Leptusa grandipennis spec. nov. – urn:lsid:zoobank.org:act:476EFE09-A2F0-4227-8F55-AEC9D658E159Leptusa gonggana spec. nov. – urn:lsid:zoobank.org:act:063A3FD3-32D8-4F48-AABA-5AB12CF1A686Leptusa habana spec. nov. – urn:lsid:zoobank.org:act:217C5415-9901-4E13-8DD8-3F8AEA4CC8C1Leptusa auriculata spec. nov. – urn:lsid:zoobank.org:act:1812AE30-52FF-498D-B8C2-D600DCAB2724Leptusa emeiana spec. nov. – urn:lsid:zoobank.org:act:963E5B3D-F42E-411C-A6A9-F57EBCCA00E5Leptusa jizuica spec. nov. – urn:lsid:zoobank.org:act:D1844B8D-2B3B-4388-933D-F2F98883B6A6Leptusa desculpens spec. nov. – urn:lsid:zoobank.org:act:A3342BAF-F31E-43E6-9636-8250A85FBD97Leptusa procera spec. nov. – urn:lsid:zoobank.org:act:C3881039-6537-452F-974C-48BDAFD02762Leptusa monscangi spec. nov. – urn:lsid:zoobank.org:act:2B2ECDE0-93FD-42BB-BF27-6D7C7B8E38BCLeptusa pathibarana spec. nov. – urn:lsid:zoobank.org:act:ED968EFF-8133-4318-992C-A4D401C04ADB