Canadian Forest Service Publications
Choristoneura fumiferana (Clemens), spruce budworm (Lepidoptera: Tortricidae)1971. Miller, C.A.; Angus, T.A. Chapter 37. Biological Control Programmes against Insects and Weeds in Canada 1959 - 1968.
Year: 1971
Issued by: Great Lakes Forestry Centre
Catalog ID: 33161
Language: French
Availability: PDF (request by e-mail)