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 latiscapus Xu, 2000 Figs 8-10 , 11 Psyllaephagus latiscapus Xu, in Xu et al. 2000a : 39. Holotype ♀, China, Zhejiang (ZUIE), examined by YZZ. Psyllaephagus latiscapus Xu: Tang et al. 2016 : 69; Wu et al. 2021 : 7. Material examined. China - Zhejiang • Holotype ♀ , Hangzhou , 26.V.1957 , ex. Pachypsylla celtidisgemma , 5720-9, lge. QH Chen (ZUIE); Shandong • 4♀♀ , 1♂ , Qingdao , 24 Oct. 1962 , ex. Pachypsylla celtidisgemma on Celtis sinensis , leg. QH Chen. Diagnosis. Female. Body length ~ 2.0 mm, head with metallic blue; tegulae entirely pale yellow; antenna with scape strongly expanded, ~ 2.3 x as long as wide (Fig. 11A ); postmarginal vein nearly as long as stigmal vein (Fig. 8 ); mid and hind coxae dark brown; ovipositor exserted, the exserted part ~ 1/5 of metasoma. OL ~ 1.5 x MT. Figures 8-10. Psyllaephagus latiscapus ♀ 8 body in dorsal view 9 body in lateral view 10 head in dorsal view. Figure 11. Psyllaephagus latiscapus A antenna ♀ B antenna ♂. Description. See Xu et al. (2000a) . Host. Pachypsylla celtidisgemma Riley, 1885 ( Hemiptera : Aphalaridae ). Distribution. China (Zhejiang, Shandong, Fujian, Yunnan). Comments. The material above was treated as P. punctatus by Zhang (2001) in his thesis, which was not formally published but later cited by Tang et al. (2016) and Wu et al. (2021) .