First checklist of the chrysidid wasps (Hymenoptera, Chrysididae) of Mongolia, with description of new species Author Rosa, Paolo Via Belvedere 8 / d, I- 20881 Bernareggio (MB), Italy https://orcid.org/0000-0003-2919-5297 Author Proshchalykin, Maxim Yu. Federal Scientific Centre for East Asian Terrestrial Biodiversity, Far Eastern Branch of Russian Academy of Sciences, Vladivostok 690022, Russia https://orcid.org/0000-0001-7870-8226 proshchalikin@biosoil.ru Author Halada, Marek Milady Horakove 74 37012 Ceske Budejovice, Czeck Republic Author Aibek, Ulykpan National University of Mongolia, Ulaanbaatar 210646, Mongolia text ZooKeys 2020 999 49 107 http://dx.doi.org/10.3897/zookeys.999.58536 journal article http://dx.doi.org/10.3897/zookeys.999.58536 1313-2970-999-49 34E6CD7AEAD146D4926A61683DFFC740 917CDF077020599AB0CA822B3D80745A Chrysis sibirica Rosa, 2017 Chrysis sibirica Rosa in Rosa et al., 2017c : 24. Holotype ♀; Russia: Tuva Rep., 31 km NEE of Erzin, Erzin River, 18.vii.2014, leg. A. Lelej, M. Proshchalykin & V. Loktionov (St. Petersburg) ( bihamata group). Material examined. Mongolia: Arkhangai , 1 ♀, Chuluut Gol River, 47°48'N , 100°19'E , 23.VII.2005, leg. JH (MHC). Distribution. *Mongolia (Arkhangai); Russia (Eastern Siberia) ( Rosa et al. 2017c ).