Canadian Forest Service Publications
A method of sampling endemic populations of the spruce budworm (Lepidoptera: Tortricidae) based on proportion of empty sample units. 1987. Lysyk, T.J.; Sanders, C.J. Canadian Forestry Service, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario. Information Report O-X-382. 17 p.
Issued by: Great Lakes Forestry Centre
Catalog ID: 9058
Availability: PDF (download)