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A Virus Disease and Introduced Parasites as Factors Controlling the European Spruce Sawfly, Diprion hercyniae (Htg.), in Central New Brunswick1
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- Journal:
- The Canadian Entomologist / Volume 89 / Issue 8 / August 1957
- Published online by Cambridge University Press:
- 31 May 2012, pp. 371-378
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- Article
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