"2018"^^ . . "V\u00E4\u00E4n\u00E4nen et al. (2018)" . "2018"^^ . . . "V\u00E4\u00E4n\u00E4nen et al. (2018)" . "V\u00E4\u00E4n\u00E4nen, S., Paukkunen, J., Soon, V., Budrys, E. 2018. Occurrence and biology of Pseudogonalos hahnii (Spinola, 1840)(Hymenoptera: Trigonalidae) in Fennoscandia and the Baltic states. Entomologica Fennica, 29(2): 86\u201196." .