Vikberg, Veli, and Martti Koponen. 2001. “Two Dryinid Species New for Fennoscandia With a Re-Evaluation of the Generic Division of N. European Gonatopodinae (Hymenoptera, Dryinidae)”. Entomologica Fennica 12 (1):33-38. https://doi.org/10.33338/ef.84092.