Taxonomic Studies of the genus Decticus Serville, 1831 from China (Orthoptera Tettigoniidae: Tettigoniinae), based on Morphology and Songs Author Liu, Fei College of Agriculture / Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Xinjiang Uygur Autonomous Region, Shihezi University, Shihezi, Xinjiang 832003, China. Author Chen, Liusheng Guangdong Provincial Key Laboratory of Silviculture, Protection and Utilization, Guangdong Academy of Forestry, Guangzhou, 510520, China. liucx@ioz.ac.cn Author Liu, Chunxiang Key Laboratory of the Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beichen West Road, Chaoyang District, Beijing 100101, China. liucx@ioz.ac.cn text Zootaxa 2020 2020-10-14 4860 4 563 576 journal article 8210 10.11646/zootaxa.4860.4.6 dc14c45b-38bb-45b5-b8bc-706866f7fb41 1175-5326 4414355 92E2564C-60AB-4759-AB06-F177CC6841DE Key to the Decticus species found in China 1 Male cercus heavy, with a inner tooth near middle..................................... D. verrucivorus (Linnaeus) 2 - Male cercus conical, with a black inner tooth at base......................................................... 5 2 Tegmen approaching or exceeding knee of hind femur........................................................ 3 - Tegmen not approaching knee of hind femur................................................................ 4 3 Body large-sized ( Tables 6 , 7 ). Tegmen brown or light green, with dark brown or black spots................................................................................................................ D. v. crassus Götz - Body medium-sized ( Tables 6 , 7 ). Tegmen light green, with light brown to transparent spots........... D. v. sayram ssp. n. 4 Body large-sized ( Tables 6 , 7 ). Tegmen aspect ratio about 3.54................................ D. v. latipennis ssp. n. - Body medium-sized ( Tables 6 , 7 ). Tegmen aspect ratio about 4.15......................... D. v. verrucivorus (Linnaeus) 5 Tegmen exceeding knee of hind femur.................................................. D. albifrons (Fabricius) - Tegmen not exceeding knee of hind femur.............................................. D. nigrescens Tarbinsky