R. Jussila 1999: Additions to the revisions of the genus Stilpnus (Hymenoptera, Ichneumonidae) of the Palaearctic Region. I. - Entomologica Fennica 10: 107-112.
New and additional information on Palaearctic species of the genus Stilpnus is given. The males of Stilpnus bottnicus Jussila and S. fallax Foerster are described. S. fallax is also new to the Finnish fauna. A revised key to the males is presented.