Paratullbergia qilianensis Bu & Gao, 2019 in: Bu & Gao 2019b

Material examined. 6 females (slide Nos. XJ-2016038–XJ-2016040, XJ-2016042–XJ-2016044) , 1 male (slide No. XJ-2016041), 4 juveniles (slide Nos. XJ-2016040, XJ-2016042, XJ-2016045), Northwest China, Xinjiang Province, Bole City, Hariturege Park, 45°08’N 81°46’E, elev. 1125 m, soil samples from the forest of Populus euphratica, 31- VIII-2016 ; 1 female (slide No. XJ-2016055), 1 male (slide No. XJ-2016056), Northwest China, Xinjiang Province, Urumuchi City, TianShan Grand Canyon, 43°21’ N 87°26’E, elev. 2200 m, soil samples from coniferous forest, 3-IX-2016 ; 6 females (slide Nos. XJ-2016058, XJ-2016060, XJ-2016062, XJ-2016065, XJ-2016069, XJ-2016078) , 9 males (slide Nos. XJ-2016058, XJ-2016061, XJ-2016063, XJ-2016064, XJ-2016066, XJ-2016067, XJ-2016070, XJ-2016071, XJ-2016083) , 1 juvenile (slide No. XJ-2016059), Northwest China, Xinjiang Province, Urumuchi City, Baiyanggou, 43°25’ N 87°09’E, elev. 2000 m, soil samples from coniferous forest, 4-IX-2016 , all specimens are collected by Cheng-Wang Huang.

Distribution. China (Gansu, Ningxia, Xinjiang).

Remarks. Paratullbergia qilianensis is the largest Tullbergiidae species found in China till now which may reach 1.16 mm in length. It has fairly robust habitus and coarse body granulations. The body lengths of 24 adult specimens from Xinjiang are 0.75–1.05 mm. The morphology of most specimens from Xinjiang is as same as types. There is only one minor variation observed in 11 specimens from Harturege Park: seta p4 on Abd. V as microseta (15–17 μm) and in medial position vs. as macroseta (42–45 μm) and distinctly in anterior position in the types (see Bu & Gao, 2019b, Fig. 5).

All collected sites of Tullbergiidae from Xinjiang Province in above are shown in Fig. 42. Six species of Tullbergiidae from Xinjiang Province can be separated by the following key.