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Publications by R.F. Shepherd

75 records.

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Orgya pseudotsugata (McDunnough), douglas-fir tussock moth (Lepidoptera: Lymantriidae)
Otvos, I.S.; Shepherd, R.F.; Cunningham, J.C.
Year: 2002    Catalog ID: 19871
Available from: Pacific Forestry Centre
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Comparative rates of density change in declining populations of the blackheaded budworm Acleris gloverana (Lepidoptera: Tortricidae) among different sites on Vancouver Island
Shepherd, R.F.; Gray, T.G.
Year: 2001    Catalog ID: 18922
Available from: Pacific Forestry Centre
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Spatial relationships between western blackheaded budworm (acleris gloverana) (lepidoptera: tortricidae) defoliation patterns and habitat zones on Vancouver Island, British Columbia
Otvos, I.S.; Borecky, N.; Shepherd, R.F.; Dewey, A.
Year: 2001    Catalog ID: 18314
Available from: Pacific Forestry Centre
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Sex pheromone component of the western blackheaded budworm, Acleris gloverana Walsingham (Lepidoptera: Tortricidae)
Gray, T.G.; Shepherd, R.F.; Gries, G.; Gries, R.
Year: 1996    Catalog ID: 4698
Available from: Pacific Forestry Centre
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Western spruce budworm, Choristoneura occidentalis
Shepherd, R.F.; Cunningham, J.C.; Otvos, I.S.
Year: 1995    Catalog ID: 22379
Available from: Great Lakes Forestry Centre
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Pheromones
Sanders, C.J.; Grant, G.G.; Shepherd, R.F.; Silk, P.J.; Butterworth, E.W.; Kettela, E.G.
Year: 1995    Catalog ID: 22361
Available from: Great Lakes Forestry Centre
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Douglas-fir tussock moth, Orgyia pseudotsugata
Otvos, I.S.; Cunningham, J.C.; Shepherd, R.F.
Year: 1995    Catalog ID: 22095
Available from: Great Lakes Forestry Centre
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Incidence of spicules on the aedeagi of Choristoneura fumiferana, C. biennis, C. unidentified species (Lepidoptera: tortricidae)
Gray, T.G.; Shepherd, R.F.; Harvey, G.T.
Year: 1995    Catalog ID: 4062
Available from: Pacific Forestry Centre
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Geographical distribution of Choristoneura species (Lepidoptera: Tortricidae) feeding on Abies, Picea, and Pseudotsuga in western Canada and Alaska
Shepherd, R.F.; Gray, T.G.; Harvey, G.T.
Year: 1995    Catalog ID: 4196
Available from: Pacific Forestry Centre
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Ch. 11. Western spruce budworm, Choristoneura occidentalis
Shepherd, R.F.; Cunningham, J.C.; Otvos, I.S.
Year: 1995    Catalog ID: 5295
Available from: Pacific Forestry Centre
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Management strategies for forest insect defoliators in British Columbia
Shepherd, R.F.
Year: 1994    Catalog ID: 3556
Available from: Pacific Forestry Centre
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3,13-Dimethylheptadecane: major sex pheromone component of the western false hemlock looper, Nepytia freemani Munroe (Lepidoptera:geometridae)
Gries, G.; King, G.G.S.; Gries, R.; Wimalaratne, P.D.C.; Gray, T.G.; Shepherd, R.F.; Jianxiong Li; Slessor, K.N.; Khaskin, G.
Year: 1993    Catalog ID: 3305
Available from: Pacific Forestry Centre
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Hymenopterous parasites of the blackheaded budworm, Acleris gloverana, on Vancouver Island, British Columbia, 1970-1974
Gray, T.G.; Shepherd, R.F.
Year: 1993    Catalog ID: 3330
Available from: Pacific Forestry Centre
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Management of the black army cutworm
Shepherd, R.F.; Gray, T.G.; Maher, T.F.
Year: 1993    Catalog ID: 3453
Available from: Pacific Forestry Centre
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Mortality and height growth losses of coniferous seedlings damaged by the black army cutworm
Maher, T.F.; Shepherd, R.F.
Year: 1992    Catalog ID: 3150
Available from: Pacific Forestry Centre
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Management of black army cutworm
Management of black army cutworm
Shepherd, R.F.; Gray, T.G.; Maher, T.F.
Year: 1992    Catalog ID: 3153
Available from: Pacific Forestry Centre
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Relationships between attack rates and survival of western spruce budworm, Choristoneura occidentalis Freeman (Lepidoptera: tortricidae), and bud development of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco
Shepherd, R.F.
Year: 1992    Catalog ID: 3154
Available from: Pacific Forestry Centre
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Tree-ring growth of interior Douglas-fir after one year's defoliation by Douglas-fir tussock moth
Alfaro, R.I.; Shepherd, R.F.
Year: 1991    Catalog ID: 3069
Available from: Pacific Forestry Centre
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Selection of pheromone trap and attractant dispenser load to monitor black army cutworm, Actebia fennica
Gray, T.G.; Shepherd, R.F.; Struble, D.L.; Byers, J.; Maher, T.F.
Year: 1991    Catalog ID: 3073
Available from: Pacific Forestry Centre
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Integration of early virus treatment with a pheromone detection system to control Douglas-fir tussock moth, Orgyia pseudotsugata (Lepidoptera: Lymantriidae), populations at pre-outbreak levels
Otvos, I.S.; Shepherd, R.F.
Year: 1991    Catalog ID: 3077
Available from: Pacific Forestry Centre
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A sampling system for eggs of western blackheaded budworm, Alceris gloverana (Walsingham) (Lepidoptera: Tortricidae), on western hemlock, Tsuga heterophylla (Raf.) Sarg
Shepherd, R.F.; Gray, T.G.
Year: 1990    Catalog ID: 2979
Available from: Pacific Forestry Centre
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Distribution of eggs of western blackheaded budworm, Acleris gloverana (Walsingham) (Lepidoptera: Tortricidae), and of foliage over the crowns of western hemlock, Tsuga heterophylla (Raf.) Sarg
Shepherd, R.F.; Gray, T.G.
Year: 1990    Catalog ID: 2980
Available from: Pacific Forestry Centre
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Factors affecting catch in pheromone traps for monitoring the western spruce budworm, Choristoneura occidentalis Freeman
Sweeney, J.D.; McLean, J.A.; Shepherd, R.F.
Year: 1990    Catalog ID: 7521
Available from: Atlantic Forestry Centre
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Biology, outbreak characteristics and damage caused by the black army cutworm (Lepidoptera: Noctuidae)
Humble, L.M.; Shepherd, R.F.; Maher, T.F.
Year: 1989    Catalog ID: 2872
Available from: Pacific Forestry Centre
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Spatial relationships of Douglas-fir tussock moth defoliation within habitat and climatic zones
Shepherd, R.F.; van Sickle, G.A.; Clarke, D.H.L.
Year: 1989    Catalog ID: 2879
Available from: Pacific Forestry Centre
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Identification of sex pheromone components of the black army cutworm, Actebia fennica (Tauscher) (Lepidoptera: Noctuidae), and a sex attractant blend for adult males
Struble, D.L.; Byers, J.; Shepherd, R.F.; Gray, T.G.
Year: 1989    Catalog ID: 2881
Available from: Pacific Forestry Centre
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Evidence of synchronized cycles in outbreak patterns of Douglas-fir tussock moth, Orgyia pseudotsugata (McDunnough) (Lepidoptera: Lymantriidae)
Shepherd, R.F.; Bennett, D.D.; Dale, J.W.; Tunnock, S.; Dolph, R.E.; Thier, R.W.
Year: 1988    Catalog ID: 2758
Available from: Pacific Forestry Centre
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Pest management of Douglas-fir tussock moth: procedures for insect monitoring, problem evaluation and control actions
Pest management of Douglas-fir tussock moth: procedures for insect monitoring, problem evaluation and control actions
Shepherd, R.F.; Otvos, I.S.
Year: 1986    Catalog ID: 2563
Available from: Pacific Forestry Centre
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Pest management of Douglas-fir tussock moth: estimating larval density by sequential sampling
Shepherd, R.F.
Year: 1985    Catalog ID: 2464
Available from: Pacific Forestry Centre
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Spruce budworm pheromone traps. An evaluation of four designs
Shepherd, R.F.
Year: 1985    Catalog ID: 2465
Available from: Pacific Forestry Centre
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Sequential sampling for Douglas-fir tussock moth egg masses in British Columbia
Shepherd, R.F.; Otvos, I.S.; Chorney, R.J.
Year: 1985    Catalog ID: 2466
Available from: Pacific Forestry Centre
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Pest management of Douglas-fir tussock moth, Orgyia pseudotsugata (Lepidoptera: Lymantriidae) monitoring endemic populations with pheromone traps to detect incipient outbreaks
Shepherd, R.F.; Gray, T.G.
Year: 1985    Catalog ID: 2467
Available from: Pacific Forestry Centre
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A theory of the effects of diverse host -- climatic environments in British Columbia on the dynamics of western spruce budworm
Shepherd, R.F.
Year: 1985    Catalog ID: 2562
Available from: Pacific Forestry Centre
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Identification and field testing of pheromone components of Choristoneura orae (Lepidoptera: Tortricidae)
Gray, T.G.; Slessor, K.H.; Grant, G.G.; Shepherd, R.F.; Holsten, E.H.; Tracey, A.S.
Year: 1984    Catalog ID: 2267
Available from: Pacific Forestry Centre
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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
Available from: Pacific Forestry Centre
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Orgyia pseudotsuga (McDunnough) Douglas-fir tussock moth (Lepidoptera: Lymantriidae)
Cunningham, J.C.; Shepherd, R.F.
Year: 1984    Catalog ID: 2359
Available from: Pacific Forestry Centre
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European pine shoot moth, Rhyacionia buoliana (Lepidoptera: Tortricidae): identification of additional pheromone components resulting in an improved lure
Gray, T.G.; Slessor, K.N.; Shepherd, R.F.; Grant, G.G.; Manville, J.F.
Year: 1984    Catalog ID: 2364
Available from: Pacific Forestry Centre
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Choristoneura occidentalis Freeman, western spruce budworm (Lepidoptera: Tortricidae)
Shepherd, R.F.; Cunningham, J.C.
Year: 1984    Catalog ID: 2376
Available from: Pacific Forestry Centre
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Pest management of Douglas-fir tussock moth (Lepidoptera: Lymantriidae): A sequential sampling method to determine egg mass density
Shepherd, R.F.; Otvos, I.S.; Chorney, R.J.
Year: 1984    Catalog ID: 2377
Available from: Pacific Forestry Centre
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Pest management of Douglas-fir tussock moth (Lepidoptera: Lymantriidae): Prevention of an outbreak through early treatment with a nuclear polyhedrosis virus by ground and aerial applications
Shepherd, R.F.; Otvos, I.S.; Chorney, R.J.; Cunningham, J.C.
Year: 1984    Catalog ID: 2378
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.4039/Ent1161533-11
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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: 2380
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.4039/Ent116375-3
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Ground spray trials with two baculoviruses in western budworm
Cunningham, J.C.; Knapp, W.J.; McPhee, J.R.; Shepherd, R.F.
Year: 1983    Catalog ID: 2264
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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A technique to study phenological interactions between Douglas-fir buds and emerging second instar western spruce budworm
Shepherd, R.F.
Year: 1983    Catalog ID: 2292
Available from: Pacific Forestry Centre
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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
Available from: Pacific Forestry Centre
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Chemistry and field evaluation of the sex pheromone of western spruce budworm, Choristoneura occidentalis, Freeman
Cory, H.T.; Daterman, G.E.; Daves, G.D.; Sower, L.L.; Shepherd, R.F.; Sanders, C.J.
Year: 1982    Catalog ID: 21616
Available from: Great Lakes Forestry Centre
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Effects of nuclear polyhedrosis virus and Bacillus thuringiensis on western spruce budworm (Lepidoptera: Tortricidae) 1 and 2 years after aerial application
Shepherd, R.F.; Gray, T.G.
Year: 1982    Catalog ID: 2190
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.4039/Ent114281-3
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Effect of weather on activity and movement of lodgepole needle miner moths
Shepherd, R.F.
Year: 1981    Catalog ID: 1827
Available from: Pacific Forestry Centre
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Aerial applications of nuclear polyhedrosis virus and Bacillus thuringiensis against western spruce budworm
Aerial applications of nuclear polyhedrosis virus and Bacillus thuringiensis against western spruce budworm
Hodgkinson, R.S.; Finnis, M.; Shepherd, R.F.; Cunningham, J.C.
Year: 1979    Catalog ID: 1803
Available from: Pacific Forestry Centre
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Chemoprinting by X-ray energy spectrometry: we are where we eat
McLean, J.A.; Shepherd, R.F.; Bennett, R.
Year: 1979    Catalog ID: 1805
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Comparison of the daily cycle of adult behavior of five forest lepidoptera from western Canada, and their response to pheromone traps
Shepherd, R.F.
Year: 1979    Catalog ID: 1825
Available from: Pacific Forestry Centre
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The fate of acephate and carbaryl in water
Szeto, S.Y.; MacCarthy, H.R.; Oloffs, P.C.; Shepherd, R.F.
Year: 1979    Catalog ID: 1832
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1080/03601237909372157
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Residues in Douglas-fir needles and forest litter following an aerial application of acephate (OrtheneR)
Szeto, S.Y.; MacCarthy, H.R.; Oloffs, P.C.; Shepherd, R.F.
Year: 1978    Catalog ID: 1831
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1080/03601237809372080
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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
Available from: Pacific Forestry Centre
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A classification of western Canadian defoliating forest insects by outbreak spread characteristics and habitat restriction
Shepherd, R.F.
Year: 1977    Catalog ID: 1624
Available from: Pacific Forestry Centre
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Major insects pests of western hemlock
Shepherd, R.F.
Year: 1976    Catalog ID: 1621
Available from: Pacific Forestry Centre
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Laboratory tests of 1-(4-Chlorophenyl)-3(2,6 difluorobenzoyl) urea on survival of western hemlock looper
Sahota, T.S.; Shepherd, R.F.
Year: 1975    Catalog ID: 29145
Available from: Pacific Forestry Centre
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Control operations in British Columbia in 1975. Mimeographed Report
Carrow, J.R.; Shepherd, R.F.; Ilnytzky, S.
Year: 1975    Catalog ID: 29117
Available from: Pacific Forestry Centre
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Reproduction biology of Lambdina fiscellaria lugubrosa (Lepidoptera: Geometridae)
Ostaff, D.P.; Borden, J.H.; Shepherd, R.F.
Year: 1974    Catalog ID: 29107
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.4039/Ent106659-6
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Sex attraction and courtship behavior in Lambdina fiscellaria lugubrosa (Lepidoptera: Geometridae)
Ostaff, D.P.; Shepherd, R.F.; Borden, J.H.
Year: 1974    Catalog ID: 29108
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.4039/Ent106493-5
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Sex attractants for two species of western spruce budworm, Choristoneura Biennis and C. Viridis (Lepidoptera: Tortricidae)
Sanders, C.J.; Daterman, G.E.; Shepherd, R.F.; Cerezke, H.F.
Year: 1974    Catalog ID: 23578
Available from: Northern Forestry Centre
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Problem analysis larch casebearer in B.C.
Shepherd, R.F.; Ross, D.A.
Year: 1973    Catalog ID: 28709
Available from: Pacific Forestry Centre
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A hot-water technique to remove insect eggs from foliage
Gray, T.G.; Shepherd, R.F.; Wood, C.S.
Year: 1973    Catalog ID: 18875
Available from: Pacific Forestry Centre
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The epicentre concept in forest insect control. Mimeographed report. Paper presented
Shepherd, R.F.
Year: 1972    Catalog ID: 28534
Available from: Pacific Forestry Centre
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Solution separation and maximum likelihood density estimates of hemlock looper (Lepidoptera: Geometridae) eggs in moss
Shepherd, R.F.; Gray, T.G.
Year: 1972    Catalog ID: 18869
Available from: Pacific Forestry Centre
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Influence of starvation upon the survival and fecundity of the forest tent caterpillar. Abstract for paper presented at Canadian Entomologist Meeting, August 26, 1971. Mimeographed report
Shepherd, R.F.; van Eck, P.I.
Year: 1971    Catalog ID: 28439
Available from: Pacific Forestry Centre
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Sequential egg-band sampling and probability methods of predicting defoliation by Malacosoma Disstria (Lasiocampidae: Lepidoptera)
Shepherd, R.F.; Brown, C.E.
Year: 1971    Catalog ID: 23797
Available from: Northern Forestry Centre
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Australian forestry highlights
Duffy, P.J.B.; Shepherd, R.F.
Year: 1969    Catalog ID: 30152
Available from: Northern Forestry Centre
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Factors influencing the orientation and rates of activity of Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae).
Shepherd, R.F.
Year: 1966    Catalog ID: 30375
Available from: Northern Forestry Centre
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Distribution of attacks by Dendroctonus ponderosae Hopk. on Pinus contorta Dougl. var. latifolia Engelm.
Shepherd, R.F.
Year: 1965    Catalog ID: 30406
Available from: Northern Forestry Centre
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Sequential sampling of the forest tent caterpillar: interim report
Shepherd, R.F.
Year: 1961    Catalog ID: 31468
Available from: Northern Forestry Centre
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A comparison of the developmental rates of one- and two-year cycle spruce budworm
Shepherd, R.F.
Year: 1961    Catalog ID: 30701
Available from: Northern Forestry Centre
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Population studies of the mountain pine beetle: interim report 1958.
Shepherd, R.F.
Year: 1959    Catalog ID: 27712
Available from: Northern Forestry Centre
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Phytosociological and environmental characteristics of outbreak and non-outbreak areas of the two-year cycle spruce budworm, Choristoneura Fumiferana
Shepherd, R.F.
Year: 1959    Catalog ID: 25834
Available from: Northern Forestry Centre
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Factors controlling the internal temperatures of spruce budworm larvae, Choristoneura fumiferana (Clem.)
Shepherd, R.F.
Year: 1958    Catalog ID: 25833
Available from: Northern Forestry Centre
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Population studies of the mountain pine beetle: interim report 1955-5
Shepherd, R.F.
Year: 1956    Catalog ID: 31467
Available from: Northern Forestry Centre
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This may not be a complete list of the author's publications. This list provides the author's publications since he or she joined, or worked in cooperation with, the CFS. When available, another link is provided for periods of work elsewhere.