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EFFECTIVENESS OF TWO PINE OILS FOR PROTECTING LODGEPOLE PINE FROM ATTACK BY MOUNTAIN PINE BEETLE (COLEOPTERA: SCOLYTIDAE)1

Published online by Cambridge University Press:  31 May 2012

Charles E. Richmond
Affiliation:
Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, PO Box 245, Berkeley, California, USA 94701

Extract

The mountain pine beetle, Dendroctonus ponderosae Hopkins, is one of the most destructive bark beetles found on pine in western North America (McCambridge et al. 1979), particularly in forests of lodgepole pine, Pinus contorta Douglas var. latifolia (Furniss and Carolin 1977). The treatment registered in the United States for the protection of high-value trees in residential areas and recreational areas is 2% carbaryl applied to the bole of the tree with a hydraulic sprayer. Recently, pine oil, a derivative of paper pulp waste, was found to be an effective non-insecticidal repellent against several species of bark beetles (Nijholt et al. 1981).

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1985

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References

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