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Results of long-term studies on the parasitization of insect pests of Pinus sylvestris in SW Germany


, : Results of long-term studies on the parasitization of insect pests of Pinus sylvestris in SW Germany. Zeitschrift fur Angewandte Entomologie 77(4): 429-438

Tabulates annual observations during 1958-73 on the density of pupae, the degree of pupal parasitization, and the % composition of the parasite species, separately for the pests Bupalus piniarius, Panolis flammea, Hyloicus pinastri, and the group consisting of Gilpinia spp., Macrodiprion nemorum and Diprion pini.

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