Canadian Forest Service Publications
Insects of eastern spruces, fir and hemlock. 1994. Rose, A.H.; Lindquist, O.H. Natural Resources Canada, Canadian Forest Service, Headquarters, Science and Sustainable Development Directorate, Ottawa. 159 p.
Issued by: National Capital Region
Catalog ID: 10162
One of a series of handbooks designed to enable readers to identify insects and mites causing noteworthy damage to trees. It covers Canada east of the Rocky Mountains. The insect and/or its damage can be identified by means of keys that use non-technical language and confirmed by reference to color photographs. The need for control measures, along with the timing of the application, is prescribed.
Also available under the title:
Insectes des épinettes, du sapin et de la pruche de l'est du Canada (French)