Harris, J.W.E.
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Poplar and willow borer
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How Lonchaea corticis may impact broods of Pissodes strobi (Peck) in Picea sitchensis (Bong.) Carr
Year: 1989
Catalog ID: 2870
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Comparison of binocular and cut-branch methods for estimating budworm defoliation on Douglas-fir
Shore, T.L.; Alfaro, R.I.; Harris, J.W.E.
Year: 1988
Catalog ID: 2760
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Exploiting adult girth to separate Pissodes strobi (Peck) (Coleoptera: Curculionidae) from associated insects in leaders of Picea sitchensis (Bong.) Carr
Hulme, M.A.; Harris, J.W.E.; Dawson, A.F.
Year: 1987
Catalog ID: 2663
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Exploiting cold-hardiness to separate Pissodes strobi (Peck) (Coleoptera: Curculionidae) from associated insects in leaders of Picea sitchensis (Bong.) Carr
Hulme, M.A.; Dawson, A.F.; Harris, J.W.E.
Year: 1986
Catalog ID: 2546
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Parasitoids of the western spruce budworm in British Columbia
Year: 1985
Catalog ID: 2545
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Insects associated with the Sitka spruce weevil, Pissodes strobi (Coleoptera: Curculionidae), on Sitka spruce, Picea sitchensis, in British Columbia, Canada
Alfaro, R.I.; Hulme, M.A.; Harris, J.W.E.
Year: 1985
Catalog ID: 2541
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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The western spruce budworm in British Columbia 1909-1983
Harris, J.W.E.; Alfaro, R.I.; Dawson, A.F.; Brown, R.G.
Year: 1985
Catalog ID: 2478
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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The western false hemlock looper in British Columbia 1942-1984
Harris, J.W.E.; Dawson, A.F.; Brown, R.G.
Year: 1985
Catalog ID: 2453
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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The Douglas-fir tussock moth in British Columbia 1916-1984
Harris, J.W.E.; Dawson, A.F.; Brown, R.G.
Year: 1985
Catalog ID: 2452
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Chapter 46: Adelges piceae (Ratz.), balsam woolly adelgid (Homoptera: Adelgidae)
Schooley, H.O.; Harris, J.W.E.; Magasi, L.P.
Year: 1984
Catalog ID: 2375
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Relating weather to outbreaks of western spruce budworm, Choristoneura occidentalis (Lepidoptera: Tortricidae), in British Columbia
Thomson, A.J.; Shepherd, R.F.; Harris, J.W.E.; Silversides, R.H.
Year: 1984
Catalog ID: 2296
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Evaluation of mountain pine beetle damage using aerial photography taken with a hand-held 70-mm camera, Gold Bridge-Clinton, B.C., 1981
Harris, J.W.E.; Dawson, A.F.; Brown, R.G.
Year: 1983
Catalog ID: 2332
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Effects of elevation on the rate of development of western spruce budworm (Lepidoptera: Tortricidae) in British Columbia
Thomson, A.J.; Harris, J.W.E.; Silversides, R.H.; Shepherd, R.F.
Year: 1983
Catalog ID: 2298
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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The western hemlock looper in British Columbia, 1911-1980
Harris, J.W.E.; Dawson, A.F.; Brown, R.G.
Year: 1982
Catalog ID: 2177
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Evaluation of mountain pine beetle damage using aerial photography, Flathead River, B.C., 1980
Harris, J.W.E.; Dawson, A.F.; Brown, R.G.
Year: 1982
Catalog ID: 2175
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Estimating number of western spruce budworm eggs from egg mass measurements in British Columbia
Year: 1982
Catalog ID: 2173
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Selecting sampling points for larvae of western spruce budworm, Choristoneura occidentalis (Lepidoptera: Tortricidae), from survey records in British Columbia
Harris, J.W.E.; Dawson, A.F.; Brown, R.G.
Year: 1981
Catalog ID: 2176
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Consequences of eliminating aerial access samples from surveys of forest defoliators in coastal British Columbia
Harris, J.W.E.; Dawson, A.F.; Brown, R.G.
Year: 1981
Catalog ID: 2174
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Integration of MSS and SAR data of forested regions in mountainous terrain
Guidon, B.; Harris, J.W.E.; Teillet, P.M.; Goodenough, D.G.; Meunier, J.-F.
Year: 1980
Catalog ID: 2120
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Evaluation of Aerial Forest Pest Damage Survey Techniques in British Columbia
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Predator release program for Balsam woolly aphid, Adelges piceae (Homoptera: Adelgidae), in British Columbia, 1960-1969
Year: 1979
Catalog ID: 1887
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Parasitoids of the western spruce budworm, Choristoneura occidentalis (Lepidoptera: Tortricidae), in British Columbia, 1977-1978
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Evaluation of landsat data for forest pest detection and damage appraisal surveys in BC
Harris, J.W.E.; Dawson, A.F.; Goodenough, D.G.
Year: 1978
Catalog ID: 3958
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Landsat verification of aerial sketch-mapping
Year: 1978
Catalog ID: 1908
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Detecting windthrow, potential foci for bark beetle infestation, by simple aerial photographic techniques
Harris, J.W.E.; Dawson, A.F.; Brown, R.G.
Year: 1978
Catalog ID: 1883
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Status of western spruce budworm on Douglas-fir in British Columbia
Shepherd, R.F.; Harris, J.W.E.; van Sickle, G.A.; Fiddick, R.L.; McMullen, L.H.
Year: 1977
Catalog ID: 30738
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Egg-sampling for western spruce budworm on Douglas-fir
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Storage and retrieval of quantitative British Columbia-Yukon forest insect and disease survey records
Year: 1976
Catalog ID: 3981
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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A preliminary evaluation of ERTS imagery for forest land management in British Columbia
Lee, Y.; Oswald, E.T.; Harris, J.W.E.
Year: 1974
Catalog ID: 1492
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Small-scale imagery in forest pest surveys in British Columbia
Year: 1974
Catalog ID: 1456
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Line-throwing gun and cutter for obtaining branches from tree crowns
Year: 1973
Catalog ID: 28602
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Tree and site characteristics relative to progressive balsam woolly aphid damage to abies spp., British Columbia, 1959-1970 (Not for publication)
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Indices to satellite imagery and small-scale aerial photography of British Columbia, 1971-1972
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Evaluation of the tree-beating method for sampling defoliation forest insects
Harris, J.W.E.; Collis, D.G.; Magar, K.M.
Year: 1972
Catalog ID: 29205
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Aerial photography (35-mm): Aid to forest pest surveys
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Adelges piceae (Ratz.), balsam woolly aphid (Homoptera: Adelgidae)
Clark, R.C.; Greenbank, D.O.; Bryant, D.G.; Harris, J.W.E.
Year: 1971
Catalog ID: 28354
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Air photointerpretation for balsam woolly aphid damage
Year: 1970
Catalog ID: 28235
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Observations on spruce weevil permanent sample plots at Green Timbers and Nitinat, B.C., 1959-1969
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Status of the spruce beetle in British Columbia, 1969
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Predator studies of the balsam woolly aphid in British Columbia, 1968 (Not for publication)
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Predator studies of the balsam woolly aphid in British Columbia, 1969 (Not for publication)
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British Columbia Region
Molnar, A.C.; Harris, J.W.E.; Ross, D.A.; Ginns, J.H., Jr.
Year: 1968
Catalog ID: 27875
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Popular-and-willow borer in British Columbia
Year: 1968
Catalog ID: 27865
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Assessment of wood borer control trials, Mackenzie, British Columbia, 1967
Harris, J.W.E.; Grant, J.; Richmond, H.A.
Year: 1968
Catalog ID: 26465
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Status of the sitka spruce weevil on Vancouver Island, 1967
Harris, J.W.E.; Holms, J.C.; Molnar, A.C.
Year: 1968
Catalog ID: 26460
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Balsam woolly aphid predator studies, British Columbia, 1959-1967
Harris, J.W.E.; Holms, J.C.; Dawson, A.F.
Year: 1968
Catalog ID: 25790
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Detection surveys for balsam woolly aphid, Adelges Piceae (Ratz.), in British Columbia
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British Columbia Region
Molnar, A.C.; Harris, J.W.E.; Ross, D.A.
Year: 1967
Catalog ID: 27805
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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The European pine shoot moth, Rhyacionia buoliana (Lepidoptera: Olethreutidae), another introduced forest pest
Year: 1967
Catalog ID: 27792
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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The poplar-and-willow borer, Sternochetus (=Cryptorhynchus) lapathi (Coleoptera: Curculionidae), in British Columbia
Year: 1967
Catalog ID: 27791
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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British Columbia Region
Molnar, A.C.; Harris, J.W.E.; Ross, D.A.
Year: 1966
Catalog ID: 27547
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Occurrence of a fir adelgid (Adelges nusslini C.B.) in British Columbia
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European pine shoot moth survey south coastal British Columbia 1966
Holms, J.C.; Gibson, C.A.; Miller, G.W.; Harris, J.W.E.
Year: 1966
Catalog ID: 25787
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Status of the balsam woolly aphid, Adelges Piceae (Ratz.), in British Columbia, 1965
Harris, J.W.E.; Allen, S.J.; Collis, D.G.; Harvey, E.G.
Year: 1966
Catalog ID: 25786
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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European pine shoot moth survey, south coastal British Columbia, 1965
Harris, J.W.E.; Ruth, D.S.; Fridell, E.; Gibson, C.A.
Year: 1965
Catalog ID: 24132
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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The balsam woolly aphid survey, Vancouver Island, February - March, 1965
Year: 1965
Catalog ID: 24131
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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The balsam woolly aphid in British Columbia, 1964
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The balsam woolly aphid, Adelges piceae (Ratz.), in British Columbia
Year: 1965
Catalog ID: 24129
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Balsam woolly aphid infestation serious in B.C. woods
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The balsam woolly aphid, Adelges piceae (Ratz.) in British Columbia, 1964
Harris, J.W.E.; Ruppel, D.H.; Allen, S.J.; Collis, D.G.
Year: 1964
Catalog ID: 23991
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Sampling the larval stages of the two-year cycle spruce budworm near Babine Lake, BC
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Sampling the egg stages of the two-year-cycle spruce budworm near Babine Lake, British Columbia
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Development of a sampling method for the Two-Year- cycle spruce budworm, Choristoneura Fumiferana (CLEM.) in British Columbia. I. The egg stage. (not for publication)
