A taxonomic study of Psyllaephagus Ashmead (Hymenoptera, Encyrtidae) from China Author Zou, Boyu https://orcid.org/0009-0000-5022-8669 College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830017, China & Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China Author Hu, Hongying https://orcid.org/0000-0002-2295-1072 College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830017, China Author Zhang, Lanwei https://orcid.org/0000-0002-7829-8770 College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830017, China & Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China Author Zhang, Yanzhou https://orcid.org/0000-0002-9713-5352 College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830017, China & Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China zhangyz@ioz.ac.cn text ZooKeys 2023 2023-11-23 1184 327 359 http://dx.doi.org/10.3897/zookeys.1184.109476 journal article http://dx.doi.org/10.3897/zookeys.1184.109476 1313-2970-1184-327 3FFAF34C1BC14DA7A4C3DFDC1A4DE08B A7F0913735185600957928673AC72070 Psyllaephagus taiwanus Xu, 2000 Psyllaephagus taiwanus Xu, in Xu et al. 2000b : 9-10. Holotype ♀, China, Taiwan (TARI), not examined. Diagnosis. Female. Mid and hind coxae dark brown, hind femur and tibia dark brown, apical 1/3 of mid femora and basal 1/5 of mid tibia dark brown; clava as long as F3-F6 combined; sculpture of scutellum deeper and finer than that on mesoscutum; ovipositor slightly exserted. Description. See Xu et al. (2000b) . Host. Trioza syzygii Li & Yang, 1911 ( Hemiptera : Triozidae ). Distribution. China (Taiwan).