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ON A NEW SPECIES OF APHIS AFFECTING THE PINE
Published online by Cambridge University Press: 31 May 2012
Extract
Among our native forest trees, none, unless it is the oak, suffer more from the depredations of insect enemies than the pine. Distributed as it is—from the Arctic to the Tropics—climatologically speaking, it becomes a prey to every conceivable form of insect life.
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- Copyright © Entomological Society of Canada 1881