Howse, G.M.
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Aerial sketch-mapping of the 1998 ice storm in eastern Ontario.
Scarr, T.A.; Hopkin, A.A.; Howse, G.M.
Year: 2003
Catalog ID: 21481
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Insect pest management.
Scarr, T.A.; Smith, S.M.; Turgeon, J.J.; Howse, G.M.
Year: 2001
Catalog ID: 33973
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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La spongieuse. Nouvelles Express 20.
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Gypsy moth. Frontline Express 20.
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La livrée des forêts. Nouvelles Express 9.
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Forest Tent Caterpillar. Frontline Express 9.
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A survey to evaluate crown condition of forest, roadside, and urban maple trees in Ontario, 1987-1995.
Year: 1998
Catalog ID: 9740
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest health in Ontario, 1996: Results of Canadian Forest Service surveys.
Year: 1997
Catalog ID: 9739
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Impact of the jack pine budworm in Ontario. Frontline Technical Note 87.
Gross, H.L.; Hopkin, A.A.; Howse, G.M.
Year: 1996
Catalog ID: 9200
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The efficacy of single and double applications of a new insect growth regulator, Tebufenozide (RH5992), on Jack pine budworm in Ontario. Information Report O-X-444.
Meating, J.H.; Retnakaran, A.; Lawrence, H.D.; Robinson, A.G.; Howse, G.M.
Year: 1996
Catalog ID: 9123
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Jack pine budworm situation in Ontario 1981-1994.
Year: 1995
Catalog ID: 37789
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Insect control in Ontario, 1974-1987.
Howse, G.M.; Meating, J.H.; Churcher, J.J.
Year: 1995
Catalog ID: 37363
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Jack pine budworm control operation in Ontario, 1985-1994.
Meating, J.H.; Howse, G.M.; Lawrence, H.D.
Year: 1995
Catalog ID: 37362
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect pests in the Ontario region.
Year: 1995
Catalog ID: 37360
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Jack pine budworm situation in Ontario 1986-1994.
Year: 1995
Catalog ID: 21860
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Impact of the jack pine budworm in Ontario: a review.
Year: 1995
Catalog ID: 21856
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Oak leafshredder, Croesia semipurpurana.
Grant, G.G.; Retnakaran, A.; Howse, G.M.
Year: 1995
Catalog ID: 21767
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Jack pine budworm biology and management. Proceedings of the Jack Pine Budworm Symposium, Winnipeg, Manitoba, January 24-26, 1995
Volney, W.J.A.; Nealis, V.G.; Howse, G.M.; Westwood, A.R.; McCullough, D.G.; Laishley, B.L.
Year: 1995
Catalog ID: 12135
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Forest insect and disease conditions in Ontario. Survey Bulletin Fall 1995
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Forest insect and disease conditions in Ontario. Survey Bulletin Summer 1995.13p.
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Forest insect and disease conditions in Ontario.1995. Survey Bulletin Spring 1995. 4p.
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Forest insect and disease conditions in Ontario. Survey Bulletin Fall 1994. 13p.
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Forest insect and disease conditions in Ontario. Survey Bulletin Summer 1994. 15p.
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Forest insect and disease conditions in Ontario.1994. Survey Bulletin Spring 1994. 3p.
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Pest damage to Ontario seed orchards: results of FIDS seed orchard surveys 1990-1992. O-X-440.
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Forest insect and disease conditions in Ontario. 1993. Survey Bulletin Spring 1993. 4p.
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Forest insect and disese conditions in Ontario. 1993. Survey Bulletin Summer 1993. 14p.
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Forest insect and disease conditions in Ontario. 1993. Survey Bulletin Fall 1993. 12p.
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Efficacy of single and double applications of Foray 48B (Bacillus thuringiensis) against the gypsy moth (Lymantria dispar L.) in Ontario. O-X-423.
Meating, J.H.; Schyff, S.; Howse, G.M.
Year: 1993
Catalog ID: 9102
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions in Ontario. 1992. Survey Bulletin Spring 1992. 10p.
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Forest insect and disease conditions in Ontario. 1992. Survey Bulletin Fall 1992. 18p.
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Pest-caused depletions to the forest resource of Ontario, 1982-1987.
Gross, H.L.; Roden, D.B.; Churcher, J.J.; Howse, G.M.; Gertridge, D.
Year: 1992
Catalog ID: 22233
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions in Ontario. 1992. Survey Bulletin Summer 1992.16p.
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Forest insect and disease conditions in Ontario. 1991. Survey Bulletin Spring 1991. 6p.
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Forest insect and disease conditions in Ontario. 1991 Survey Bulletin Fall 1991. 23p.
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Distribution and activity of spray deposits in an oak canopy following aerial application of diluted and undiluted formulations of Bacillus thuringiensis Berliner against the gypsy moth, Lymantria dispar L. (Lepidoptera: Lymantriidae)
van Frankenhuyzen, K.; Wiesner, C.J.; Riley, C.M.; Nystrom, C.W.; Howard, C.A.; Howse, G.M.
Year: 1991
Catalog ID: 22644
Issued by: Great Lakes Forestry Centre
Availability: Order paper copy (free)
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Development of nuclear polyhedrosis virus for control of gypsy moth (Lepidoptera: Lymantriidae) in Ontario. I. Reduction in dosage and emitted volume (1989 and 1990).
Cunningham, J.C.; Kaupp, W.J.; Howse, G.M.
Year: 1991
Catalog ID: 21631
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect and disease conditions in Ontario. 1991 Survey Bulletin Summer 1991. 31.p
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Forest insect and disease conditions in Ontario. 1990. Survey Bulletin Fall 1990. 29p.
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Forest insect and disease conditions in Ontario. 1990. Survey Bulletin Spring 1990. 6p.
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Suppression of spruce budworm populations by Trichogramma minutum Riley, 1982-1986.
Smith, S.M.; Wallace, D.R.; Howse, G.M.; Meating, J.H.
Year: 1990
Catalog ID: 22415
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Encore une infestation de livrées des forêts.
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Another outbreak of forest tent caterpillars.
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Forest insect and disease conditions in Ontario. 1989. Survey Bulletin Fall 1989. 37p.
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Forest insect and disease conditions in Ontario. 1989. Survey Bulletin Summer 1989. 28p.
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Forest insect and disease conditions in Ontario. 1989. Survey Bulletin Spring 1989. 6p.
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Efficacité du dipel 8AF en formule diluée et non diluée dans la lutte contre la spongieuse (Lepidoptera: Lymantriidae) dans le sud de l’Ontario
van Frankenhuyzen, K.; Howard, C.A.; Churcher, J.J.; Howse, G.M.; Lawrence, H.D.
Year: 1989
Catalog ID: 22212
Issued by: Great Lakes Forestry Centre
Availability: Not available through the CFS (click for more information).
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Deposition and efficacy of Dipel 8AF applied diluted and undiluted against the gypsy moth (Lepidoptera: Lymantriidae) in Southeastern Ontario. FPM-X-84.
van Frankenhuyzen, K.; Howard, C.A.; Churcher, J.J.; Howse, G.M.; Lawrence, H.D.
Year: 1989
Catalog ID: 8808
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions in Ontario. 1988. Survey Bulletin Fall 1988. 28p.
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Forest insect and disease conditions in Ontario. Survey Bulletin Summer 1988.
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Aerial spray trials with Disparvirus in Ontario in 1986. FPM-X-82.
Kaupp, W.J.; Cunningham, J.C.; Meating, J.H.; Howse, G.M.; Denys, A.
Year: 1988
Catalog ID: 8806
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest insect and disease survey - a half century of progress.
Year: 1987
Catalog ID: 37335
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Acid Rain National Early Warning System (ARNEWS).
Year: 1987
Catalog ID: 37311
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Major changes in forest insect conditions in Ontario.
Year: 1987
Catalog ID: 37310
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect and disease conditions in Ontario. 1987. Survey Bulletin Fall 1987. 36p.
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Forest insect and disease conditions in Ontario. Survey Bulletin Summer 1987.
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Forest insect and disease conditions in Ontario.
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Forest insect problems in Ontario.
Year: 1986
Catalog ID: 37312
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect and disease conditions in Ontario, 1986.
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Forest insect and disease conditions in Ontario. 1986. Survey Bulletin Spring 1986. 10p.
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Forest insect and disease conditions in Ontario. 1986. Survey Bulletin Fall 1986. 32p.
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Forest insect and disease conditions in Ontario.
Year: 1985
Catalog ID: 37313
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect and disease conditions in Ontario.
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Forest insect and disease conditions in Ontario, 1985.
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Forest insect and disease conditions in Ontario. Survey Bulletin Summer 1984.
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Forest insect and disease conditions in Ontario. 1984. Survey Bulletin Spring 1984. 10p.
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Spruce budworm parasitoid surveys in Ontario.
Meating, J.H.; Howse, G.M.; Syme, P.D.; Smith, K.L.
Year: 1984
Catalog ID: 21983
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Viruses: Application and assessment.
Year: 1984
Catalog ID: 21628
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest Insect and Disease Conditions in Ontario, 1983. Miscellaneous Report 16.
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Operational use of bt against spruce budworm in Ontario, 1979-1983.
Howse, G.M.; Nicholson, S. A.; Meating, J.H.
Year: 1983
Catalog ID: 37327
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect and disease conditions in Ontario.
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Forest insect and disease conditions in Ontario.
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Forest insect and disease conditions in Ontario.
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Insect pests of jack pine: biology, damage, and control
Year: 1983
Catalog ID: 21859
Issued by: Great Lakes Forestry Centre
Availability: Order paper copy (free)
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Pests of larch: biology, damage and control.
Year: 1983
Catalog ID: 21858
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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The 1982 gypsy moth situation in Ontario: General surveys, spray trials and forecasts for 1983. O-X-352.
Meating, J.H.; Lawrence, H.D.; Cunningham, J.C.; Howse, G.M.
Year: 1983
Catalog ID: 9027
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions in Ontario, 1982. O-X-350.
Howse, G.M.; Syme, P.D.; Gross, H.L.; Myren, D.T.; Meating, J.H.; Applejohn, M.J.; Smith, K.L.
Year: 1983
Catalog ID: 9025
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The 1982 spruce budworm situation in Ontario, Part A: damage and forecasts; Part B: aerial spraying operations. O-X-349.
Meating, J.H.; Lawrence, H.D.; Howse, G.M.; Carrow, J.R.
Year: 1983
Catalog ID: 9024
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Annual reports of the forest insect and disease survey 1978 and 1979.
Howse, G.M.; Syme, P.D.; Gross, H.L.
Year: 1982
Catalog ID: 37058
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Spruce budworm spraying in Ontario 1981.
Carrow, J.R.; Nicholson, S. A.; Howse, G.M.
Year: 1982
Catalog ID: 34469
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect and disease conditions in Ontario. 1982. Survey Bulletin Fall 1982. 19p.
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Forest insect and disease conditions in Ontario. 1982. Survey Bulletin Spring 1982. 11p.
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The 1981 spruce budworm situation in Ontario. Part A: Damage and forecasts Part B: Aerial spraying operations. O-X-343.
Meating, J.H.; Lawrence, H.D.; Howse, G.M.; Carrow, J.R.
Year: 1982
Catalog ID: 9018
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions in Ontario, 1981. O-X-339.
Howse, G.M.; Gross, H.L.; Syme, P.D.; Myren, D.T.; Meating, J.H.; Applejohn, M.J.
Year: 1982
Catalog ID: 9014
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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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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Annual report of the forest insect and disease survey, 1977: Ontario Region.
Howse, G.M.; Gross, H.L.; Rose, A.H.
Year: 1981
Catalog ID: 37054
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Losses from and control of spruce budworm and other insects in the boreal mixedwood forest. 1981. Howse, G.M. COJFRC Symposium Proceedings O-P-9. p239-251.
Year: 1981
Catalog ID: 33667
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect and disease conditions in Ontario.
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Forest insect and disease conditions in Ontario.
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Forest insect and disease conditions in Ontario.
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Forest insect and disease conditions in Ontario, 1980. O-X-327.
Howse, G.M.; Syme, P.D.; Gross, H.L.; Myren, D.T.; Applejohn, M.J.
Year: 1981
Catalog ID: 9002
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Spruce budworm spraying in Ontario, 1980.
Carrow, J.R.; Nicholson, S. A.; Howse, G.M.
Year: 1980
Catalog ID: 37341
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Spruce budworm spraying in Ontario 1979.
Carrow, J.R.; Nicholson, S. A.; Howse, G.M.
Year: 1980
Catalog ID: 34468
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect and diseases conditions in Ontario. 1980. Survey Bulletin Fall 1980. 13p.
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Forest insect and disease conditions in Ontario. 1980. Survey Bulletin Summer 1980. 11p.
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Forest insects and disease conditions in Ontario. 1980. Survey Bulletin Spring 1980. 10p.
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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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Forest insect and disease conditions in Ontario.1979. Survey Bulletin Fall 1979.8p.
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Forest insect and disease conditions in Ontario. 1979. Survey Bulletin Summer 1979.9p.
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Forest insect and disease conditions in Ontario. 1979. Survey Bulletin Spring 1979. 8p.
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The 1978 spruce budworm situation in Ontario. O-X-300.
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Aerial application of spruce budworm baculovirus: replicated tests with an aqueous formulation and a trial using an oil formulation in 1978. FPM-X-21.
Cunningham, J.C.; Howse, G.M.; McPhee, J.R.; de Groot, P.; White, M.B.E.
Year: 1979
Catalog ID: 8745
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions in Ontario. 1978. Survey Bulletin Fall 1978. 8p.
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Forest insect and disease conditions in Ontario. 1978. Survey Bulletin Summer 1978. 11p.
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Forest insect and disease conditions in Ontario.1978. Survey Bulletin Spring 1978. 10p.
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The 1977 spruce budworm situation in Ontario. O-X-280.
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Experimental aerial application of insect growth regulators against the spruce budworm, Choristoneura fumiferana (Clemens) in Thessalon (1976) and Hearst (1977). FPM-X-19.
Retnakaran, A.; Kaupp, W.J.; Howse, G.M.
Year: 1978
Catalog ID: 8743
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Aerial application of spruce budworm baculovirus: tests of virus strains, dosages and formulations in 1977. FPM-X-3.
Cunningham, J.C.; Kaupp, W.J.; Howse, G.M.; McPhee, J.R.; de Groot, P.
Year: 1978
Catalog ID: 8727
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Aerial application of spruce budworm baculovirus: tests on second instar larvae in 1976. FPM-X-2.
Kaupp, W.J.; Cunningham, J.C.; Howse, G.M.; McPhee, J.R.; de Groot, P.
Year: 1978
Catalog ID: 8726
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions in Ontario. 1977. Survey Bulletin Fall 1977.9p.
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Forest insect and disease conditions in Ontario. 1977. Survey Bulletin Summer 1977. 10p.
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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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Detecting forest insect pests in Canada.
Year: 1976
Catalog ID: 37328
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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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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Experimental aerial application of insect growth regulators against the spruce budworm, Choristoneura fumiferana (Clem.) in Manitoulin Island in 1974 and 1975. I-P-X-13.
Retnakaran, A.; Howse, G.M.; Kaupp, W.J.
Year: 1975
Catalog ID: 29588
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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A 2 year study of virus chemical insecticide combination in the integrated control of the spurce budworm, Choristoneura fumiferana (Tortricidae: Lepidoptera).
Morris, O.N.; Armstrong, J.A.; Howse, G.M.; Cunningham, J.C.
Year: 1974
Catalog ID: 33297
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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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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The use of insecticides in the control of forest insect pests. 1973. Howse, G.M. Symposium Proceedings O-P-2. p5-9.
Year: 1973
Catalog ID: 33642
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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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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The possible use of viruses in the control of spruce budworm.
Bird, F.T.; Cunningham, J.C.; Howse, G.M.
Year: 1972
Catalog ID: 34339
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forest insect and disease conditions in Ontario. 1972. Survey Bulletin June-July. 8p.
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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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Sampling populations of pine leaf adelgid Pineus pinifoliae (Fitch). I The gall and associated insects.
Year: 1965
Catalog ID: 34516
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Arborvitae leaf miners in Maine.
Year: 1964
Catalog ID: 34521
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
