Canadian Forest Service Publications
The natural immunity of the larch sawfly (Pristophora Erichsonii (Htg.)) to the introduced parasite Mesoleius Tenthredinis Morley, in Manitoba and Saskatchewan. 1953. Muldrew, J.A. Canadian Journal of Zoology 31: 313-332.
Issued by: Northern Forestry Centre
Catalog ID: 25794
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