Watson, W.Y.
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Scolytid vectors of the Dutch elm disease in Ontario.
Year: 1961
Catalog ID: 38651
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Two new species of the genus Hyperaspis (Coleoptera: Coccinellidae).
Year: 1960
Catalog ID: 38390
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Notes on Matsucoccus macrocicatrices Richards (Homoptera: Margarodidae) and its association with Septobasidium pinicola Snell in eastern Canada
Watson, W.Y.; Underwood, G.R.; Reid, J.
Year: 1960
Catalog ID: 7608
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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The larva of Profenusa alumna (MacG.) (Hymenoptera: Tenthredinidae).
Year: 1959
Catalog ID: 38392
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Parasites of the European pine shoot moth, Rhyacionia buoliana (Schiff.), in Ontario.
Year: 1959
Catalog ID: 38391
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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An ambrosia beetle, Corthylus punctatissimus Zimm., attacking maple regeneration.
Finnegan, R.J.; McPhee, H.G.; Watson, W.Y.
Year: 1959
Catalog ID: 36695
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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An unusual feeding habit of Tortrix alleniana Fern.
Year: 1958
Catalog ID: 38389
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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A description of the immature states of Lithocolletis salicifoliella Cham. (Lepidoptera: Gracillariidae).
Year: 1956
Catalog ID: 34460
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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A description of the full-grown larva of Hylobius radicis Buch. (Coleoptera: Curculionidae).
Year: 1955
Catalog ID: 38387
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Two gynandromorphic sawflies.
Year: 1955
Catalog ID: 38386
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Two new species of Coccinellidae (Coleoptera).
Year: 1954
Catalog ID: 38385
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)