Biodiversity Heritage Library
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Subject "Spruce budworm"
The spruce budworm and larch sawfly. Lecture
By: Hewitt, Charles Gordon, - Canadian forestry convention, Quebec, 1911.
Publication info: Kingston,British whig publishing co., limited,1911.
Contributed by: Library of Congress
Subjects: Sawflies Spruce budworm
The spruce budworm in New Brunswick.
By: Balch, R. E. - Canada.
Publication info: Ottawa :Canada Department of Agriculture,1958.
Contributed by: Agriculture and Agri-Food Canada (archive.org)
Subjects: Diseases and pests New Brunswick Spruce Spruce budworm