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UNCERTAIN FATE OF SPOT INFESTATIONS OF THE MOUNTAIN PINE BEETLE, DENDROCTONUS PONDEROSAE HOPKINS

Published online by Cambridge University Press:  31 May 2012

John H. Borden
John H. Borden
Affiliation:
Centre for Pest Management, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
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Extract

Large infestations of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae), reportedly arise from small, spot infestations that expand, multiply, and eventually coalesce (Safranyik et al. 1974). If these spot infestations can be located and eradicated, the development of outbreaks may be delayed, or even precluded. The principal means of eradication of such spots in forests of lodgepole pine, Pinus contorta var. latifolia Engelmann, in British Columbia is single tree disposal (B.C. Ministry of Forests 1987). This may be accomplished by treating with an arsenical herbicide within 3–4 weeks after attack, cutting, bucking, piling, and burning trees before brood emergence, or extraction and processing of brood trees before emergence.

Type
Articles
Information
The Canadian Entomologist , Volume 125 , Issue 1 , February 1993 , pp. 167 - 169
Copyright
Copyright © Entomological Society of Canada 1993

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References

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