Canadian Forest Service Publications
Effects of nuclear polyhedrosis virus and Bacillus thuringiensis on western spruce budworm (Lepidoptera: Tortricidae) 1 and 2 years after aerial application. 1982. Shepherd, R.F.; Gray, T.G. The Canadian Entomologist 114(3): 281-282.
Issued by: Pacific Forestry Centre
Catalog ID: 2190
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