Canadian Forest Service Publications
The fungus Empusa aphidis Hoffman parasitic on the woolly pine needle aphid, Schizolachnus pini-radiatae (Davidson). 1962. Grobler, J.H.; Macleod, D.M.; DeLyzer, A. J. Canadian Entomologist 94(1):46-49.
Year: 1962
Issued by: Great Lakes Forestry Centre
Catalog ID: 37745
Language: English
Availability: PDF (request by e-mail)