Canadian Forest Service Publications
Operophtera bruceata (Hulst), Bruce Spanworm (Lepidoptera: Geometridae) 1984. Ives, W.G.H. Pages 349-351 (Vol. Chapter 60) in J.S. Kelleher and M.A. Hulme, editors. Biological control programmes against insects and weeds in Canada, 1969-1980. Commonwealth Agricultural Bureau, Slough, England.
Issued by: Northern Forestry Centre
Catalog ID: 19264