Canadian Forest Service Publications
Budworms and coneworms: Larval population densities and consequences of simultaneous defoliation to host trees. 1976. Nicholson, S.A.; DeBoo, R.F. Environment Canada, Forestry Service. Chemical Control Research Institute. CCRI File Report 35. 17p.
Issued by: Great Lakes Forestry Centre
Catalog ID: 35010
Availability: PDF (download)