Mesopolobus subfumatus (Ratzeburg, 1852) (Fig. 24)

Pteromalus subfumatus Ratzeburg, 1852: 236 .

Mesopolobus subfumatus (Ratzeburg): Rosen, 1958: 223; Graham, 1969: 678; Kamijo, 1982: 71.

Synonymy: Eutelus punctiger Thomson, 1878: 75; Platyterma ecksteini Wolff, 1916: 166, 168–169; Pteromalus matsukemushii Matsumura, 1926: 42; Eutelus tabatae Ishii,1938: 99 .

Material examined. China. 2♀, Jilin, Changbai Mountain, 5 July 1978, coll. Dingxi Liao ; 1♂, Jilin, Changbai Mountain, 2 100 m, 25 July 1990, coll. Dawei Huang ; 1♀ 2♂, Shandong, Linqing, 1 September 1952, coll. Dingxi Liao ; 3♀, Yunnan, Lijiang, Ludian, 3 200 m, 15 August 1984, coll. Changfang Li. United States . 3♀, Frische Nehrung, Zool. Inst. Hann. Munden., 1936, coll. F.A.; Germany , 1♀, Celle ( Hannov.)., O. Eichhorn. I. Gen., 1978, Cocoon Diprimpimi CIE A.10538., det, Bouček, 1988 .

Biology. The species was recorded attacking the cocoons of Diprion ( Hymenoptera: Diprionidae), occasionally as hyperparasitoid via Ichneumonidae or Braconidae (Graham, 1969) . Our specimens parasited of egg of Dendrolimus ( Lepidoptera: Lasiocampidae).

Distribution. China (Jilin, Shandong, Yunnan); Palearctic and Nearctic Regions (Noyes, 2014).