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Marsden, M.A.; Furniss, M.M.; Kline, L.N. 1981, Modeling seasonal abundacne of Douglas-fir beetle in relation to entomophagous insects and location in trees. United States Dep. Agric. For. Serv. gen. tech. Rep. INT No 111:1-22
Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement) 30:576-577