Key to Ooctonus Haliday (Hymenoptera: Mymaridae) in China, with one new species and three new country records Author Aishan, Zhulidezi College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang, P. R. China. & Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, Urumqi, P. R. China Author Triapitsyn, Serguei V. 0000-0002-5086-7847 Entomology Research Museum, Department of Entomology, University of California, Riverside, California, 92521, USA. serguei. triapitsyn @ ucr. edu; https: // orcid. org / 0000 - 0002 - 5086 - 7847 serguei.triapitsyn@ucr.edu Author Zhu, Chao-Dong 0000-0002-9347-3178 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101, P. R. China. zhucd @ ioz. ac. cn; https: // orcid. org / 0000 - 0002 - 9347 - 3178 & State Key Laboratory of Integrated Pest Management, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101, P. R. China zhucd@ioz.ac.cn Author Hu, Hong-Ying College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang, P. R. China. & Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, Urumqi, P. R. China text Zootaxa 2022 2022-06-23 5155 4 581 588 journal article 80410 10.11646/zootaxa.5155.4.7 1d896240-e838-4e07-92ed-15eb67f71f9f 1175-5326 6691760 8970F2CC-0411-4EA8-A5D6-5C7B62964F39 Ooctonus spartak Triapitsyn, 2010 ( Figs 23–26 ) Ooctonus spartak Triapitsyn 2010: 43–45 . Material examined. CHINA . TIBET : Linzhi , 6.viii.2015 , Q. Wu , sweeping [ 1♀ , ICXU ] . Distribution. China ( new record ) ( Tibet ); Far East of Russia ( Triapitsyn 2010 ). Hosts. Unknown. Comments. Triapitsyn (2010) described females of this species as having F1, F2, and F5 slightly longer and F8 slightly shorter; however, the antenna of our female from China has F1–F3 subequal in length and F4–F8 slightly shorter than the preceding funicle segments. We interpret this difference as infraspecific variation. The fore wing disc is also densely setose behind the base of the submarginal vein, but other features are consistent with the original description.