A revision of Chinese species of Mesopolobus Westwood (Hymenoptera: Pteromalidae) with descriptions of four new species from China Author Xiao, Hui Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; E-mail: xiaoh @ ioz. ac. cn Author Sun, Lei Plant Protection College, Shandong Agricultural University, Tai’an, Shandong, 271018, China Author Jiao, Tianyang Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; E-mail: xiaoh @ ioz. ac. cn & College of Life Sciences, Graduate University of Chinese Academy of Sciences, Beijing 100101, China Author Li, Zi Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; E-mail: xiaoh @ ioz. ac. cn & College of Life Sciences, Graduate University of Chinese Academy of Sciences, Beijing 100101, China text Zoological Systematics 2016 41 1 64 81 http://zoobank.org/9aaf42bb-d96d-4b3f-be8e-8fcd05d4ea7d journal article 4169 10.11865/zs.201604 74b7bfe4-e37c-4095-9f3e-78e0f9cbef6a 2095-6827 4617570 9AAF42BB-D96D-4B3F-BE8E-8FCD05D4EA7D Mesopolobus semenis Askew, 1997 New record to China ( Fig. 23 ) Mesopolobus semenis Askew, 1997: 969 , 971–972. Material examined. China . 3♀ , Inner Mongolia , Manzhouli , 6 August 1961 , ex. Bruchophagus onois , coll. Dingxi Liao ; 7♂ , Inner Mongolia , Baotou , 22 September 1985 , ex. Pontania bridgmannii Cameron , coll. Zhongren Liu ; 2♂ , Ningxia , Yinchuan , 20 June 1980 . Biology. The species was recorded ectophagous parasitoid of Blascoa ephedrae Askew in embryos of Ephedra nebrodensis Tineo , and also has a record as a hyperparasitoid of Mesopolobus arcanus (Askew & Blasco-Zumeta, 1997) . Our specimens was reared from Bruchophagus onois (Mayr) ( Hymenoptera : Eurytomidae ) and Pontania bridgmannii Cameron ( Hymenoptera : Tenthredinidae ). Distribution. China ( Inner Mongolia , Ningxia ); Palearctic Region ( Noyes, 2014 ).