Canadian Forest Service Publications
Blackheaded budworm defoliation of western hemlock in 1986 and predicted defoliation in 1987 on the Queen Charlotte Islands and near Kitimat, B.C. 1986. Unger, L.S. Agriculture Canada, Ministry of State for Forestry and Mines, Pacific Forestry Centre, Victoria, BC. FIDS Pest Report November, 1986.
Available from: Pacific Forestry Centre
Catalog ID: 30881
Series: FIDS Report (CFS)