Reijo Jussila: Pionini species (Hym., Ichneumonidae, Ctenopelmatinae) new to Finland. - Entomol. Fennica 12: 119-120.
The Pionini species (Ichneumonidae, Ctenopelmatinae) Lethades cingulator Hinz, L. curvispina (Thomson), Trematopygus helleni Hinz, T. rufator Hinz, Rhorus chrysopygus (Roman) and Rh. lapponicus (Roman) have been reported from Finland.