2020 ACTA ENTOMOLOGICA 60(2): 565–589 MUSEI NATIONALIS PRAGAE doi: 10.37520/aemnp.2020.39 ISSN 1804-6487 (online) – 0374-1036 (print) www.aemnp.eu RESEARCH PAPER Taxonomy, annotated new records and a checklist of Mymaridae (Hymenoptera) of Finland, with description of a new species of Eustochus Serguei V. TRIAPITSYN1), Martti KOPONEN2), Veli VIKBERG3) & Gergely VÁRKONYI4) 1) Entomology Research Museum, Department of Entomology, University of California, Riverside, California, 92521, USA; e-mail:
[email protected] 2) Tuoppitie 5 C, FI-50160, Mikkeli, Finland; e-mail: mar.koponen@surffi .fi 3) Liinalammintie 11 as. 6, FI-14200, Turenki, Finland; e-mail:
[email protected].fi 4) Finnish Environment Institute SYKE, Biodiversity Centre, FI-88900, Kuhmo, Finland; e-mail: gergely.varkonyi@ymparisto.fi Accepted: Abstract. A taxonomic account and an annotated checklist of the Finnish Mymaridae (Hymenop- 5th October 2020 tera: Chalcidoidea) are given, comprising 85 named species in 19 genera. Among them 2 genera, Published online: Dicopus Enock, 1909 and Stethynium Enock, 1909, 1 subgenus, Anagrus (Paranagrus Perkins, 6th November 2020 1905), and the following 25 species represent new records for Finland: Anagrus (Anagrus) avalae Soyka, 1956, A. (Anagrus) bakkendorfi Soyka, 1946, A. (Anagrus) ensifer Debauche, 1948, A. (Anagrus) nigriceps (Smits van Burgst, 1914), A. (Anagrus) obscurus Förster, 1861, A. (Anagrus) parvus Soyka, 1956, A. (Anagrus) subfuscus Foerster, 1847, A. (Paranagrus) opta- bilis (Perkins, 1905), Anaphes (Anaphes) stygius Debauche, 1948, Camptoptera magna Soyka, 1946, Cleruchus megatrichus Novicky, 1965, C. taktochno Triapitsyn, 2014, Cosmocomoidea oxypygus (Foerster, 1856), C. tremulae (Bakkendorf, 1934), Dicopus minutissimus Enock, 1909, D. moscovit Triapitsyn, 2015, Gonatocerus aegyptiacus Soyka, 1950, Lymaenon aureus (Girault, 1911), L.