The White Pine Weevil and Its Control by the Application of Concentrated Sprays

نویسندگان

  • S. F. Potts
  • A. C. Cline
  • H. L. Mcintyre
چکیده

HE white pine weevil (Pissodes strobi (Peck)) is one of the most destructive forest insect pests in the Northeast. By causing forked and crooked boles, extreme limbihess, and weaknesses in the wood itself, it has greatly reduced the usefulness and value of the injured white pine for all the more exacting needs of the lumbe• and building trades. This has been one .of the principal factors responsible for the declining interest in the production of timber as a private enterprise in the Northeast. Some years ago many land owners set out white pine plantations on old fields and pastures, thinking them to be profitable investments, only to find later that their plantations were little more than rows of bushes. According to Reynolds, • hundreds of such plantations represent investments, including cost of trees, planting, maintenance, interest, and taxes, of from $50 to $100

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تاریخ انتشار 2006