Three new species of Ctenopelmatinae are described from series obtained from rearings of yellowheaded spruce sawfly larvae, Pikonema alaskensis (Rohwer).
Luhman, John C.
"Descriptions of Three New Species of Nearctic Ctenopelmatinae (Hymenoptera: Ichneumonidae),"
The Great Lakes Entomologist, vol 14
Available at: https://scholar.valpo.edu/tgle/vol14/iss2/8