An illustrated key to the species of Gasteruption Latreille (Hymenoptera, Gasteruptiidae) from Palaearctic China, with description of four new species Author Tan, Jiang-Li Shaanxi Key Laboratory for Animal Conservation / Key Laboratory of Resource Biology and Biotechnology in Western China, College of Life Sciences, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China tanjl@nwu.edu.cn Author Achterberg, Cornelis van https://orcid.org/0000-0002-6495-4853 State Key Laboratory of Rice Biology and Ministry of Agriculture / Key Lab of Agricultural Entomology, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China Author Wu, Jia-Xuan https://orcid.org/0000-0002-4450-9664 Shaanxi Key Laboratory for Animal Conservation / Key Laboratory of Resource Biology and Biotechnology in Western China, College of Life Sciences, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China Author Wang, Hang Shaanxi Key Laboratory for Animal Conservation / Key Laboratory of Resource Biology and Biotechnology in Western China, College of Life Sciences, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China Author Zhang, Qi-Jing Shaanxi Key Laboratory for Animal Conservation / Key Laboratory of Resource Biology and Biotechnology in Western China, College of Life Sciences, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China text ZooKeys 2021 2021-05-19 1038 1 103 http://dx.doi.org/10.3897/zookeys.1038.64978 journal article http://dx.doi.org/10.3897/zookeys.1038.64978 1313-2970-1038-1 679CEE85732A43FEB171F3883C87E223 CEBC03B5B33D51B284FD8D3517F85D77 Gasteruption latitibia Zhao, van Achterberg & Xu, 2012 Figs 144 , 145-154 Gasteruption latitibia Zhao, van Achterberg & Xu, 2012: 62-65. Additional material. 18 ♀ + 5 ♂ (NWUX, RMNH), "NW China : Shaanxi , Huaishuzhuang Rev. St. , Ziwuling NNR, Fuxian , Yanan , sweep net , 35.86°N , 108.74°E , 1-8.viii.2019 , alt. 1127 m , Jiangli Tan/Ruonan Zhang, NWUX" ; 1 ♀ (NWUX), "NW China : Shaanxi , Miaojv , Liulin , Yaozhou , Tongchuan , sweep net , 35.60°N , 108.49°E , 27.vii.2019 , alt. 934 m , Jiangli Tan, NWUX" ; 1 ♂ (NWUX), "NW China : Shaanxi , Qiligou , Xinyangba , Ningshan , sweep net , 32.91°N , 109.68°E , 19.viii.2019 , alt. 1508 m , Ruonan Zhang, NWUX" ; 2 ♀ (RMNH), Shaanxi , Qinling Mts. , Luonan , Maping , Yunmeng Mt. , 9-10.vii.2017 , ca. 1090 m alt., 34°8'N , 110°7'E , C. v. Achterberg ; 6 ♀ (NWUX), id., but 34.08°N , 110.02°E , 1084 m alt., Ruonan Zhang/Qingqing Tan/Jiangli Tan; 1 ♀ (NWUX), NE China : Shaanxi , Xi'an , NWU Taibai campus, small garden, ca. 410 m alt., 3.ix.2018 , JL Tan ; 1 ♀ (NWUX), NW China : Shaanxi , Qiligou , Xunyangba , 507 m alt., 32°91'N, 109°68'E, 1.vii.2019 , hand net , JL Tan ; 1 ♀ (RMNH), NW China : Shaanxi , 40 km N of Foping , ca. 1250 m alt., from wood stack, 25.vi.2017 , near road to Xi'an , C. v. Achterberg ; 2 ♀ (NWUX, RMNH), NW China : Shaanxi , Yingpan , Zhashui , 859 m alt., 33°73'N, 109°88'E, 1.vii.2019 , Jiangli Tan ; 1 ♀ (RMNH), E China : Zhejiang , Mt. Tianmu , 20.vii.2015 , C. van Achterberg . Figure 144. Gasteruption latitibia Zhao, van Achterberg & Xu, female, Shaanxi , habitus lateral. Distribution. China (Fujian, Guizhou, Hubei, Hunan, Shaanxi (410-1508 m alt.), Zhejiang). New for Shaanxi and Zhejiang. Figures 145-154. Gasteruption latitibia Zhao, van Achterberg & Xu, female, Shaanxi 145 head lateral 146 mesosoma lateral 147 mesosoma dorsal 148 hind leg 149 ovipositor and its sheath lateral 150 head anterior 151 head dorsal 152 wings 153 base of antenna 154 hypopygium ventral.