S. V.  Triapitsyn, Koponen, M., Vikberg, V., and Várkonyi, G., ?Taxonomy, annotated new records and a checklist of Mymaridae (Hymenoptera) of Finland, with description of a new species of Eustochus?, Acta Entomologica Musei Nationalis Pragae , vol. 60(2), pp.  565?589, 2020.

M.  Koponen, Triapitsyn, S. V., and Vikberg, V., ?Report on Ooctonus (Hymenoptera: Mymaridae) of Finland, with additional new records from some other European countries?, Sahlbergia, vol. 24, pp. 14-24, 2018.

S. V.  Triapitsyn, Vikberg, V., and Martikainen, P., ?An interesting Cleruchus sp. (Hymenoptera, Mymaridae) from bracket fungi on aspen in Karelia, Russia.?, Sahlbergia, vol. 17, pp. 8-10, 2011.