Canadian Forest Service Publications
Yield of occlusion bodies from spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae), larvae infected with a nuclear polyhedrosis virus. 1998. Ebling, P.M.; Kaupp, W.J. The Canadian Entomologist 130: 243-244.
Issued by: Great Lakes Forestry Centre
Catalog ID: 9683
CFS Availability: PDF (request by e-mail)