Canadian Forest Service Publications
Province of British Columbia, Forest Insect Survey. 1961. Silver, G.T.; Ross, D.A. Pages 107-119 in Annual Report of the Forest Insect and Disease Survey, 1961. Government of Canada, Department of Forestry, Forest Entomology and Pathology Branch, Ottawa.
Issued by: Pacific Forestry Centre
Catalog ID: 23887
Availability: PDF (download)