Author:
Finlayson L. R.,Finlayson Thelma
Abstract
The European spruce sawfly, Diprion hercyniae (Htg.), was first found in Canada in 1930. An aerial survey in the following year showed that it was causing severe defoliation in an area of about 2,500 square miles in the Gaspé Peninsula, Quebec. In succeeding years it spread rapidly over wide areas in Eastern Canada (see, e.g., Baird 1937, Balch 1937). The work reported below was part of an attempt to control the sawfly by biotic agents.
Publisher
Cambridge University Press (CUP)
Subject
Insect Science,Molecular Biology,Physiology,Ecology, Evolution, Behavior and Systematics,Structural Biology
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