Canadian Forest Service Publications
Laboratory trials of an introduced polyhedral disease from larvae of the painted lady butterfly (Vanessa cardui L.) against larvae of the european winter moth (Operophtera brumata L.) and the fall cankerworm (Alsophila pometaria Harr.) 1956. Nielson, M.M.; Marks, D.B. Interim Report 1955-3. 8 p.
Issued by: Atlantic Forestry Centre
Catalog ID: 8199