Harnden, A.A.
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The 1980 spruce budworm situation in Ontario. Part A: damage and forecasts; Part B: aerial spraying operations. O-X-336.
Howse, G.M.; Harnden, A.A.; Meating, J.H.; Carrow, J.R.
Year: 1982
Catalog ID: 9011
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The 1979 spruce budworm situation in Ontario. O-X-310.
Howse, G.M.; Harnden, A.A.; Carrow, J.R.
Year: 1980
Catalog ID: 8986
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The 1978 spruce budworm situation in Ontario. O-X-300.
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The 1977 spruce budworm situation in Ontario. O-X-280.
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The 1976 spruce budworm situation in Ontario. O-X-260.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1977
Catalog ID: 8937
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The 1975 spruce budworm situation in Ontario. O-X-250.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1976
Catalog ID: 8927
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The persistence of nuclear polyhedrosis virus and entomopoxvirus in populations of spruce budworm. I-P-X-10.
Cunningham, J.C.; Howse, G.M.; Kaupp, W.J.; McPhee, J.R.; Harnden, A.A.; White, M.B.E.
Year: 1975
Catalog ID: 29585
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The 1974 spruce budworm situation in Ontario. O-X-228.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1975
Catalog ID: 8905
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The 1973 spruce budworm situtation in Ontario. O-X-193.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1974
Catalog ID: 8873
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Aerial application of viruses against spruce budworm, 1971. O-X-189.
Howse, G.M.; Sanders, C.J.; Harnden, A.A.; Cunningham, J.C.; Bird, F.T.; McPhee, J.R.
Year: 1973
Catalog ID: 8869
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The 1972 spruce budworm situation in Ontario. O-X-173.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1973
Catalog ID: 8858
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Aerial Application of Virus-Insecticide Combinations Against Spruce Budworm Choristoneura fumiferana (Clem) (Tortricidae: Lepidoptera) at Rankin, Ontario, 1972. CC-X-37.
Morris, O.N.; Armstrong, J.A.; Hildebrand, M.J.; Howse, G.M.; Harnden, A.A.; Cunningham, J.C.; McPhee, J.R.
Year: 1972
Catalog ID: 29700
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The 1971 spruce budworm situation in Ontario. O-X-163.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1972
Catalog ID: 8848
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The spruce budworm situation in Ontario, 1970.O-X-147.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1971
Catalog ID: 29842
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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A biological study of Nepticula macrocarpae (Lepidoptera: nepticulidae) on oak in Ontario.
Lindquist, O.H.; Harnden, A.A.
Year: 1970
Catalog ID: 37646
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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A study of the biology of the web-spinning sawfly _Pamphilius ochreipes (Hymenoptera: pamphiliidae) in Ontario.
Lindquist, O.H.; Harnden, A.A.
Year: 1970
Catalog ID: 37641
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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The current spruce budworm situation in northeastern Ontario. O-X-135.
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Dieback and abnormal growth of yellow birch induced by heavy fruiting. O-X-79.
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Notes on Epinptia nanana Treitschke (Lepidoperta: oletheutidae) and keys to the immature states of four needle miners of spruce in Ontario.
Lindquist, O.H.; Harnden, A.A.
Year: 1966
Catalog ID: 37626
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Southwestern Forest Region, 2966 Status of insects in Lake Simcoe District. O-X-38.
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Southwestern Forest Region, 1965: Status of insects in the Lake Simcoe District. O-X-9.
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Summer and fall mining by the jack pine needle miner, Exoteleia pinifoliella Cham.
Lindquist, O.H.; Harnden, A.A.
Year: 1963
Catalog ID: 37617
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Field trials with helicopter spraying for control of white pine weevil.
Kirby, C.S.; McPhee, H.G.; Harnden, A.A.
Year: 1963
Catalog ID: 37347
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Termites in Ontario.
Year: 1963
Catalog ID: 37346
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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A tube maker on red pine in Ontario.
Lindquist, O.H.; Harnden, A.A.; Sippell, W.L.
Year: 1958
Catalog ID: 37590
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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A new record of thrips on jack pine in Ontario.
Lindquist, O.H.; Harnden, A.A.
Year: 1957
Catalog ID: 37589
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Increased fire hazard following spruce budworm outbreaks.
MacDonald, J.E.; Harnden, A.A.
Year: 1950
Catalog ID: 37860
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)