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A EUROPEAN SAWFLY (DIPRION POLYTOMUM (HARTIG) ATTACKING SPRUCE IN THE GASPE PENINSULA, QUE.*
Published online by Cambridge University Press: 31 May 2012
Extract
In November, 1930, spruce stands throughout a great deal of the interior of the Gaspe peninsula were found to have been partially defoliated by a sawfly. In some areas the greater part of the foliage had been eaten; about ten cocoons per square foot were found in moss and litter on the ground, beneath the trees.
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- Copyright © Entomological Society of Canada 1932
References
* Contribution from the Division of Forest Insects, Entomological Branch, Dept. of Agric., Ottawa.
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