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 schencki Linsenmaier, 1968 Chrysis (Chrysis) ignita ssp. schenckiana Linsenmaier, 1959: 156, nom. praeocc., nec Mocsary , 1912. Holotype ♀; Switzerland: Graubuenden (Luzern) (examined) ( ignita group). Chrysis (Chrysis) ignita schencki Linsenmaier, 1968: 99. Replacement name for C. ignita schenckiana Linsenmaier, 1959. Material examined. Mongolia: Arkhangai , 2 ♀♀, Chuluut Gol River, 47°48'N , 100°19'E , 23.VII.2005, leg. JH, det. J. Van der Smissen (MHC); Bulgan , 2 ♀♀, Mongol Els Nat. Res., dunes, 47°24'N , 103°39'E , 31.VII.2005, leg. JH, det. J. Van der Smissen (MHC). Distribution. *Mongolia (Arkhangai, Bulgan); Asiatic-European, from western Europe to Central Asia, Siberia and Japan ( Rosa et al. 2019 ).