Insects affecting seed production of spruce in Ontario
By: J.J. Churcher, R.E. Fuderer, B.H. McGauley.
Contributors: Fuderer, R. E.; McGauley, B. H.; Ontario. Ministry of Natural Resources
Series: Pest control report -- no. 21
Publisher: Ontario, Ministry of Natural Resources
Published: 1985
Place of publication: [Toronto]
Language: eng
Number of pages: 65
Subjects: Spruce -- Diseases and pests -- Ontario; Forest insects -- Ontario
Notes: Includes bibliographical references.