Howse, G. M., P. D. Syme, H. L. Gross, D. T. Myren, J. H. Meating, M. J. Applejohn, and K. L. Smith. 1983. Forest insect and disease conditions in Ontario, 1982. Canada Department of the Environment, Canadian Forestry Service, Great Lakes Forest Research Centre, Information Report O-X-350. 41 p.