Additions to the cuckoo wasps (Hymenoptera, Chrysididae) of Mongolia, with description of eleven new species Author Rosa, Paolo https://orcid.org/0000-0003-2919-5297 Laboratory of Zoology, University of Mons, Place du Parc 20, Mons, 7000, Belgium Author Proshchalykin, Maxim Yu. https://orcid.org/0000-0001-7870-8226 Federal Scientific Centre for East Asian Terrestrial Biodiversity, Far Eastern Branch of Russian Academy of Sciences, Vladivostok 690022, Russia proshchalikin@biosoil.ru Author Halada, Marek Milady Horakove, 74, Ceske Budejovice, 37012, Czech Republic text ZooKeys 2021 2021-11-08 1068 149 187 http://dx.doi.org/10.3897/zookeys.1068.73549 journal article http://dx.doi.org/10.3897/zookeys.1068.73549 1313-2970-1068-149 C5A1DC54DE9C49BEA01CA08EBD5A5952 8850F7DF1BC7585394F424BCBBBDFDEE Holopyga similis Mocsary , 1889 Holopyga (Holopyga) similis Mocsary , 1889: 130. Lectotype ♀, designated by Moczar 1964 : 439; Hungary (HNHM) (examined). Material examined. Mongolia : Tuv , 1 ♀ , Khangaun Mts , 5 km N of Khunt , 21.VII.2005 , leg. PT (PTC) . Remarks. Holopyga similis was synonymised by Bischoff (1913) with H. gloriosa var. chrysonota Foerster , 1853. Rosa et al. (2020) pointed out that H. chrysonota is a different species and H. similis is the first available name for H. chrysonota sensu Linsenmaier (1959 , 1987 ). Distribution. *Mongolia (Tuv). South-east Europe to Caucasus, Turkey and Israel ( Rosa et al. 2019 ).