title: Xenoschesis Förster (Hymenoptera: Ichneumonidae) parasitizing webspinning and leafrolling sawflies with descriptions of four new species and a key to Chinese species.
abstract: Seven species of Xenoschesis Förster, 1869, are reported from China. Four species, X. (Polycinetis) inareolata Sheng & Sun, sp. n. from Liaoning Province, X. (Polycinetis) truncata Sheng & Sun, sp. n. from Liaoning, Jilin and Henan Provinces, X. (Xenoschesis) tianzhuensis Sheng & Sun, sp. n. and X. (Xenoschesis) weii Sheng & Sun, sp. n. collected in Anhui Province are new to science. One, X. (Xenoschesis) fulvipes (Gravenhorst) was reared from Acantholyda parki Shinohara & Byun and A. posticalis Matsumura, is new record for China. Xenoschesis (Xenoschesis) crassicornis Uchida was reared from A. erythrocephala (L.) and A. parki Shinohara & Byun. A key to species of Xenoschesis Förster known in China is provided.
authors.affiliation: General Station of Forest Pest Management, State Forestry Administration, 58 Huanghe North Street, Shenyang 110034, P. R. China. shengmaoling@163.com
authors.forename: Mao-ling
authors.initials: ML
authors.lastname: Sheng
authors.forename: Shu-ping
authors.initials: SP
authors.lastname: Sun
authors.forename: Tao
authors.initials: T
authors.lastname: Wang
mesh_terms: D000818:Animals; D002681:China; D005260:Female; D008297:Male; D011576:Psychodidae / Q000469:parasitology*; D011679:Pupa / Q000033:anatomy & histology / Q000469:parasitology / Q000502:physiology; D013045:Species Specificity; D014863:Wasps / Q000033:anatomy & histology / Q000145:classification* / Q000469:parasitology* / Q000502:physiology