Canadian Forest Service Publications
Morphological differences between the pupae and the egg clusters of Choristoneura fumiferana (Clem.) and C. pinus Free. (Lepidoptera: Tortricidae). 1953. Campbell, I.M. Forest Insect Laboratory, Sault Ste. Marie, Ontario. The Canadian Entomologist 85:134-135.
Issued by: Great Lakes Forestry Centre
Catalog ID: 35216
Availability: PDF (request by e-mail)