Canadian Forest Service Publications
Western spruce budworm, Choristoneura occidentalis. 1995. Shepherd, R.F.; Cunningham, J.C.; Otvos, I.S.(Chapter 11) Pages 119-121 in J.A. Armstrong and W.G.H. Ives, Editors. Forest Insect Pests in Canada. Natural Resources Canada, Canadian Forest Service, Headquarters, Science and Sustainable Development Directorate, Ottawa. 732 p.
Issued by: Great Lakes Forestry Centre
Catalog ID: 5295
Availability: PDF (request by e-mail)