, Saanichton Research Station Agriculture Canada Sidney, B.C., Canada
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Journal of the Entomological Society of British Columbia Vol. 75 (1978): Journal of the Entomological Society of British Columbia - Articles
Efficacy of insecticides against geometrid larvae, Operophtera spp., on southern Vancouver Island, British Columbia
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Journal of the Entomological Society of British Columbia Vol. 78 (1981): Journal of the Entomological Society of British Columbia - Articles
Viruses to control winter moth, Operophtera brumata (Lepidoptera: Geometridae)
Abstract PDF