A review of Rheocricotopus (Psilocricotopus) chalybeatus species group from China, with the description of three new species (Diptera, Chironomidae) Author Liu, Wenbin Author Lin, Xiaolong Author Wang, Xinhua text ZooKeys 2014 388 17 34 http://dx.doi.org/10.3897/zookeys.388.6316 journal article http://dx.doi.org/10.3897/zookeys.388.6316 1313-2970-388-17 DC6CCFBE6D474753B95FD44E0B80B511 Rheocricotopus (Psilocricotopus) nigrus Wang & Zheng, 1989 Rheocricotopus nigrus Wang & Zheng, 1989: 311. Rheocricotopus (Psilocricotopus) nigrus Wang, 2000: 639; Makarchenko and Makarchenko 2011 : 120, Ashe and O'Connor 2012 : 566. Specimens examined. Type material: Holotype, ♂, Hubei Province, Xiangyang City, Gucheng County, 32°29'00"N , 111°64'00"E , 5.v.1986, sweeping, Wang XH; Paratype (1): 1♂, as holotype. Additional material: 2♂♂, Zhejiang Province, Qingyuan County, Baishanzu National Nature Reserve, 27°73'23"N , 119°19'06"E , 18.iv.1995, sweeping, Ji BC; 11♂♂, Xinjiang Uygur Autonomous Region, Mongolian Autonomous Prefecture of Bayingolin, Kuerleying Town, 41°74'10"N , 86°10'82"E , 26.viii.2002, light trap, Tang HQ; 1♂, Xinjiang Uygur Autonomous Region, Mongolian Autonomous Prefecture of Bayingolin, Yuli County, 41°57'00"N , 86°30'00"E , 25.v.2002, sweeping, Tang HQ; 1♂, Xinjiang Uygur Autonomous Region, Haba County, 48°17'00"N, 86 °42'00"E, 15.vii.2002, sweeping, Tang HQ; 1♂, Fujian Province, Nanping City, Mangdang Mountain, 26°69'52"N , 118°12'55"E , 22.ix.2002, sweeping, Liu Z; 1♂, Fujian Province, Nanping City, Mangdang Mountain, 26°69'52"N , 118°12'55"E , 23.ix.2002, sweeping, Liu Z. Diagnosis. The adult male can be separated from other members of the group by the following combination of characters: body totally dark brown; AR 1.30; dorsocentrals 20; humeral pit large, similar to the square. Remarks. The species distributed in both Oriental and Palearctic Region. The specimens from Palearctic Region have fewer dorsocentrals (13-17) than those from Oriental Region (20). Distribution. China (Hubei, Zhejiang and Fujian Provinces, Xinjiang Uygur Autonomous Region), Russia (Far East).