Protecting larch logs from Tetropium velutinum (LeConte) with lindane emulsion

D. A. Ross, N. J. Geistlinger

Abstract


At Trinity Valley, British Columbia, a 1% emulsion of lindane applied on 12 June 1967 protected fresh felled <i>Larix occidentalis</i> Nuttall from attack by <i>Tetropium velutinum</i> LeConte. The same concentration, applied to infested logs on 14 August reduced damage but was too late to satisfactorily prevent larval penetration of the wood.


Keywords


<i>Tetropium velutinum</i>

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References


Becker, W.B. 1959. Further tests with BRC emulsion sprays to keep boring insects out of pine logs in Massachusetts. Jour. Econ. Ent. 52(1):173-174.

Ross, D.A. and J.S. Downton. 1966. Protecting logs from long-horned wood borers with lindane emulsion. Forestry Chron. 42:377-379.

Ross, D.A. 1967. The western larch borer, Tetropium velutinum LeConte, in interior British Columbia. J. Entomol. Soc. Brit. Columbia. 64:25-28.


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