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Some Relationships Between Polygraphus rufipennis (Kirby) (Coleoptera: Scolytidae) and Spruces in New Brunswick1
Published online by Cambridge University Press: 31 May 2012
Abstract
Comparative studies on breeding and survival of Polygraphus rufipennis (Kirby) in black spruce, Picea mariana (Mill.) BSP., red spruce, P. rubens Sarg, and white spruce, P. glauca (Moench) Voss, indicate that red spruce is the most favourable host. The thicker, more scaly bark of red spruce and the less frequent occurrence of competition for bark space and food by other organisms are considered as contributory to the success of beetles in this host tree.
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- Copyright © Entomological Society of Canada 1966
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