Key Laboratory of Zoological Systematics and Application of Hebei Province, College of Life Sciences, Hebei University, Baoding, Hebei 071002, China..
Zootaxa. 2021 Dec 10;5081(2):295-300. doi: 10.11646/zootaxa.5081.2.8.
Otostigmus (Otostigmus) xizangensis n. sp., a new species of subgenus Otostigmus Porat, 1876 from Xizang, China, is described and illustrated. The new species is diagnosed as follows: antennae 1719 articles (mainly 19), basal antennal articles cylindrical; forcipular tooth-plate with 4 teeth; tergites (5) 620 with complete paramedian sutures; well-developed lateral margination on tergites (6) 921; ultimate leg prefemora with four rows of spines, leg 20 with one tarsal spur. The coxopleural process of O. (O.) xizangensis n. sp. exhibits remarkable sexual dimorphism, being long and curved in females, short and straight in males.
西藏新种耳石鳚（Otostigmus），隶属于耳石鳚属（Otostigmus）Porat，1876，本文对其进行了描述和插图绘制。该新种的鉴别特征为：触角 1719 节（主要为 19 节），触角基部的节圆柱状；大颚齿板有 4 个齿；第 5 背板具完整的中侧缝线；第 6 背板具发达的侧缘；后足 prefemora 具 4 行刺，第 2 腿具 1 个跗刺。西藏新种耳石鳚（Otostigmus）的侧板突具显著的性别二态性，雌性的侧板突长而弯曲，雄性的侧板突短而直。
