A new species, Tomocerus (Tomocerina) tianshanensis, from Xinjiang of northwest China is described. It is distinguished from other members of the subgenus by the presence of intermediate mucronal teeth, single trochanteral organ setae on the trochanter, no macrochaetae on the posterior third of the head and strongly clavate tenet hairs. It is most similar to the Japanese species T. aokii Yosii 1972 and the Chinese species T. yiliensis. A diagnostic table and key to the subgenus Tomocerina are provided.

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Author notes

2Department of Biology, Nantong Teacher's College, Nantong 226000, China.