Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Sippel, W. L., J. E. MacDonald, and A. H. Rose. 1964. Province of Ontario. Pages 51-64. Canada Department of Forestry, Forest Entomology and Pathology Branch, Forest Insect and Disease Survey, Annual Report 1963. 138 p.
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