Natural enemies of pests associated with prairie crops
By: D.S. Yu and J.R. Byers.
Contributors: Byers, J. R.; Canada. Agriculture Canada.
Series: Publication -- 1895/E.; Publication (Canada. Agriculture Canada) -- 1895.
Publisher: Communications Branch, Agriculture Canada
Published: 1993
Place of publication: Ottawa, Ont
Language: eng
Number of pages: 30
Subjects: Agricultural pests -- Biological control -- Prairie Provinces.; Biological pest control agents -- Prairie Provinces.; Predatory insects -- Prairie Provinces.; Parasitic insects -- Prairie Provinces.