BIOECOLOGICAL CHARACTERS OF THE SAWFLY PRISTIPHORA SUBARCTICA (HYMENOPTERA, TENTHREDINIDAE) IN SPRUCE PLANTATIONS OF KRASNOYARSK REGION

摘要

Biology and ecology of the spruce sawfly, Pristiphora subarctica Forssl, a new species for Siberia, were studied. This species is capable of outbreaks in artificial spruce (Pivea obovata Ledeb.) forests. The data on specific features of nutrition, fertility of imago, reasons for death of wintering pest pronymphs, and the location of its individuals in litter, tree crowns, and stand are presented.