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 Philoctetes diakonovi (Semenov, 1932) Ellampus (Ellampus) diakonovi Semenov-Tian-Shanskij, 1932: 34. Holotype ♀; Kazakhstan: "Turkestan septentr.: Bajgakum (ZIN) (examined). Material examined. Mongolia: Dornogovi , 1 ♀, 1 ♂, Orgon, 11.VII.2005, leg. JH (MHC). Distribution. *Mongolia (Dornogovi); Central Asia (Kimsey and Bohart 1991).