Pseudoscolia simplicicornis

Pseudoscolia simplicicornis (F. Morawitz, 1894) MATERIAL. Tyva: 11 km W of Ust-Elegest village, steppe, 51.5526°N, 93.9894°E, 27.VII.2018, S. Luzyanin, D. Sidorov leg. (1 ♀, ISEA). DISTRIBUTION. Russia: European part (South, North Caucasus), Eastern Siberia (* Tyva Rep., Zabaikalskiy Terr.). — Eastern Europe, Turkmenistan, Uzbekistan, Kazakhstan, Mongolia. Thirty eight species are newly recorded for the fauna of Tyva Republic, 41 species of wasps are new for the fauna of Khakassia, and one species each for Altai Republic and Krasnoyarsk Territory. Crabro uljanini Radoszkowski, 1877 previously known from Tajikistan is reported from Russia for the first time. Six species are recorded for Eastern Siberia for the first time: Antepipona deflenda (S. Saunders, 1853), Crossocerus distinguendus (A. Morawitz, 1866), Lindenius pygmaeus (Rossi, 1794), Tachysphex nigricolor (Dalla Torre, 1897), Tachytes obsoletus (Rossi, 1792), Philanthinus quattuordecimpunctatus (F. Morawitz, 1888). This is a significant addition to the faunal lists of a number of Siberian regions. Competing interests. The authors declare no competing interests. Acknowledgements. The authors are sincerely grateful to all collectors, whose materials were used for preparing to write this article. The study of second author was supported by the Federal Fundamental Scientific Research Program (grant No. 1021051703269-9-1.6.12).