Page 233 - Our Vanishing Wild Life
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 OUR ANNUAL LOSSES BY INSECTS
211
THE GYPSY MOTH, (Fortheria dispur) Very Destructive to the Finest Shade Trees
and forest products (in the United States) have been estimated by Dr. A. D. Hopkins, special agent in charge of forest insect investigations, at not less than $100,000,000. * * * j^ covers both the loss from insect damages to standing timber, and to the crude and manufactured forest products. The annual loss to growing timber is conservativelv placed at $70,000,000."
PUPA (Chrysalis;






























































































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