Contribution to the Siberian species of Ichneumon LINNAEUS (Hymenoptera, Ichneumonidae, Ichneumoninae) Author Riedel, Matthias text Linzer biologische Beiträge 2018 2018-12-17 50 2 1509 1562 journal article 10.5281/zenodo.5274480 0253-116X 5274480 Ichneumon thomsoni HOLMGREN , 1864 M a t e r i a l e x a m i n e d: South Siberia, Hakassia region , West Sayan mountains 2400 m , Sallyghem-Taiga region, 1♀ 5.vii.2004 , leg. Osipov (coll. Riedel). T a x o n o m i c a l r e m a r k Antenna with 40 flagellomeres. Hind coxa with indistinct scopa. Petiolus and postpetiolus red, 2 nd and 3 rd tergites black medially, red laterally. D i s t r i b u t i o n: Palaearctic region, known from Siberia ( ROMAN 1927 , MEYER 1933 ).