Riedel M.1, Humala A.2 2017. Faunistic notes on the Mesochorinae (Hymenoptera: Ichneumonidae) of Russian Fennoscandia, with description of a new Mesochorus species from Karelia // Russian Entomol. J. Vol.26. No.4: 333–337 [in English].
1 Bärenbad Str. 11, 82487 Oberammergau, Germany. E-mail: mamaflo.riedel@t-online.de
2 Forest Research Institute, Russian Academy of Sciences, Pushkinskaya St. 11, Petrozavodsk 185910, Russia. E-mail: andrei.humala@krc.karelia.ru
KEY WORDS: Mesochorinae, ichneumon wasps, fauna, NW Russia, new species.
ABSTRACT. A list of 40 species of Mesochorinae (Hymenoptera, Ichneumonidae) resulting from study of the material collected in the Karelia and Murmansk Areas as well as in some adjacent territories, is given. Among those, 15 species, namely, Astiphromma aggressor (Fabricius, 1804), A. nigrocoxatum (Strobl, 1904), A. tenuicorne (Thomson, 1886), A. uliginosum Schwenke, 1999, Mesochorus abraxator Schwenke, 1999, M. boreomontanus Schwenke, 1999, M. cacuminis Schwenke, 1999, M. cinctus Schwenke, 1999, M. eichhorni Schwenke, 1999, M. hortensis Schwenke, 1999, M. lacassus Schwenke, 1999, M. lapponicus Thomson, 1885, M. scandinavicus Schwenke, 1999, M. skaneus Schwenke, 1999, M. tenuiscapus Thomson, 1886, are reported for the territory of Russia for the first time. Mesochorus horstmanni Schwenke, 1999 is new for the fauna of Finland. Mesochorus tetricoides Riedel sp.n. from Kivach Nature reserve is also described and illustrated; species status of Mesochorus acutus Schwenke, 1999 stat.rev. is resurrected.