Annand, P. N. 1945a. Progress made in disease-vector studies, forest and shade-tree insects and Dutch elm disease control procedures modified. Pages 25, 26, 33, 44-46, 55 in Report of the Chief of the Bureau of Entomology and Plant Quarantine. United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, Annual Report 1945. 63 p.
Annand 1945
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