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Three species of the Acanopsilus Kieffer, 1908, six species of Acanosema Kieffer, 1908, two species of Polypeza Förster, 1856, and four species of Psilomma Förster, 1856 of the Russian fauna are reviewed, keyed and illustrated. Six of these species are described: Acanopsilus comadensis sp. n. (Russia: Primorsky krai), A. minimus sp. n. (Russia: Primorsky krai), Acanosema (Cardiopsilus) dentigastrum sp. n. (Russia: Primorsky krai), A. (C.) epicnemium sp. n. (Russia: Primorsky krai) A. (C.) setigerum sp. n. (Russia: East Siberia, Yakutia; Sweden), Psilomma calaris sp. n. (Russia: Kunashir Island; Japan). The generic status of Cardiopsilus Kieffer, 1908 is reduced to subgeneric one under Acanosema Kieffer, 1908 and a new combination is proposed for A. productum (Kieffer, 1908), comb. n. from Cardiopsilus Kieffer, 1908.

The taxonomic status of the genera Acropiesta Förster, 1856, Anommatium Förster, 1856, Erasikea Szabó, 1961 and Pantolyta Förster, 1856 is discussed. The following generic synonymies are proposed: Acropiesta, syn. nov., is synonymised with Pantolyta, and Erasikea, syn. nov., is synonymised with Anommatium. Erasikea nutrix Szabó, 1961, syn. nov., is a junior synonym of Anommatium ashmeadi Mayr, 1904. Three species are described as new to science: Pantolyta dichromia sp. nov. (Russia: European part, Primorskiy Territory), P. melniki sp. nov. (Russia: Kunashir Island; Republic of Korea) and P. simplicior sp. nov. (Russia: Kunashir Island). Eleven previously known Palaearctic species of the former genus Acropiesta and one species of Anommatium recorded in the fauna of Russia are reviewed and illustrated. The following new combinations are proposed: Pantolyta flavicauda (Ashmead, 1893), comb. nov.; P. flaviventris (Thomson, 1858), comb. nov.; P. flexinervis (Macek, 1998), comb. nov.; P. macrocera (Thomson, 1858), comb. nov.; P. micans (Macek, 1998), comb. nov.; P. nigrocincta (Kieffer, 1909), comb. nov.; P. nitida (Thomson, 1858), comb. nov.; P. pseudosciarivora (Macek, 1998), comb. nov.; P. pulchella (Whittaker, 1930), comb. nov.; P. radialis (Hellén, 1964), comb. nov.; P. rufiventris (Kieffer, 1909), comb. nov.; P. sciarivora (Kieffer, 1859), comb. nov.; P. semirufa (Fouts, 1924), comb. nov.; P. seticornis (Kieffer, 1910), comb. nov.; P. subaptera (Ashmead, 1893), comb. nov.; Pantoclis radiatula (Thomson, 1858), comb. nov. An identification key to all Palaearctic species of Pantolyta and Anommatium is given.

Seven species of the genus Pantolyta Foerster are found to occur in Russia. One species, P. ele­gans sp. nov. from Russia (Kunashir I.) and Japan (Hokkaido I.), is described as new for science. Eight known species of Pantolyta are reviewed and keyed. Colour illustrations are provided to all species.

Seven species of the genusPantolytaFoerster are found to occur in Russia. One species,P. ele­ganssp. nov.from Russia (Kunashir I.) and Japan (Hokkaido I.), is described as new for science. Eight known species ofPantolytaare reviewed and keyed. Colour illustrations are provided to all species.

Chemyreva, V.G. (2018): The Eastern Palaearctic parasitic wasps of the genus Spilomicrus Westwood, 1832 (Hymenoptera: Diapriidae). Far Eastern Entomologist 357: 1-20, DOI: 10.25221/fee.357.1, URL: http://dx.doi.org/10.25221/fee.357.1

Three new species, Spilomicrus pilosiventris sp. nov. from the Far East of Russia, Japan, China, Taiwan and Nepal, S. comatus sp. nov. from Japan and the Far East of Russia and S. sergeyi sp. nov. from the Primorskiy Territory of Russia, are described and illustrated. Spilomicrus kumaonensis Sharma, 1980 is recorded for the first time for the fauna of the Far East of Russia, Japan, South Korea, Taiwan and Nepal.

The New World genus Pentapria Kieffer is recorded in the Palaearctic Region for the first time. Two new species of this genus, P. ambiptera sp. nov. and P. grebennikovi sp. nov., from the Russian Far East (Primorskiy Territory) and Japan are described and illustrated. Diagnosis of the genus Pentapria is specified. A key to two East Palaearctic species of Pentapria is provided.