00000nam##2200000za#4500 9.644742 CaOODSP 20210929082759 ta 150407|1994||||xxc||||| f|0| 0 eng|d 0-660-15112-X CaOODSP eng n-cn--- Fo64-23/1994E Canada. Natural Resources Canada. Canadian Forest Service. Insects of eastern spruces, fir and hemlock / by A. H. Rose and O. H. Lindquist. Revised by P. Syme. Issued by the Science and Sustainable Development Directorate. Ottawa - Ontario : Natural Resources Canada. 1994. 159p. : coloured figs. ; 25 cm. "This handbook deals with insects feeding on spruces, balsam fir, and hemlock in Canada from the Rockies to the Atlantic. Seventy-five species or species groups causing damage or which are commonly found on these trees are covered."--Abstract. This revised edition contains more than 200 colour photographs of 75 species or species groups that cause damage to these trees. Flow chart keys link the injury to the insect, and explain control methods. Includes biographical sketches of causal insects and illustrations of life stages. Softcover 94-22 1994-06-03 Insects gcpds Rose, A. H. Lindquist, O. H. Syme, P. Insectes des épinettes, du sapin et de la pruche de l'est du Canada / (CaOODSP)9.678551 Insects of eastern spruces, fir and hemlock / (CaOODSP)9.700086