Insects of eastern spruces, fir and hemlock
By: A.H. Rose and O.H. Lindquist.
Contributors: Lindquist, O. H.; Canadian Forestry Service.
Series: Forestry technical report / Canadian Forestry Service -- 23; Forestry technical report (Canadian Forestry Service) -- 23
Publisher: Dept. of the Environment, Canadian Forestry Service
Published: 1977
Place of publication: Ottawa
Language: eng
Number of pages: 159
Subjects: Conifers -- Diseases and pests -- Canada.; Forest insects -- Canada.