Canadian Forest Service Publications
Status of the balsam woolly aphid in British Columbia in 1963 (Unpublished report) 1963. Ruppel, D.H.; Allen, S.J. Government of Canada, Department of Forestry, Forest Entomology and Pathology Laboratory, Victoria, BC.
Year: 1963
Issued by: Pacific Forestry Centre
Catalog ID: 27720
Language: English
Availability: Not available through the CFS (click for more information).