Ferris, R.L.

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• European Pine Shoot Moth

  Ferris, R.L.

  Year: 1996

  Catalog ID: 4318

  Available from: Pacific Forestry Centre

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• Forest insect and disease conditions, Kamloops forest region, 1995

  Koot, H.P.; Ferris, R.L.

  Year: 1996

  Catalog ID: 4265

  Available from: Pacific Forestry Centre

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• Larch casebearer in British Columbia

  Ferris, R.L.

  Year: 1995

  Catalog ID: 4191

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• Summary of forest pest conditions in the McGregor Model Forest, 1995

  Ferris, R.L.; Erickson, R.D.

  Year: 1995

  Catalog ID: 4172

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• Summary of forest pest conditions in the Kamloops forest region

  Koot, H.P.; Ferris, R.L.

  Year: 1995

  Catalog ID: 4156

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• Forest insect and disease conditions, Cariboo forest region, 1994

  Erickson, R.D.; Ferris, R.L.

  Year: 1995

  Catalog ID: 4036

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• Forest insect and disease conditions, Prince George forest region, 1994

  Ferris, R.L.; Humphreys, N.

  Year: 1995

  Catalog ID: 4025

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• Forest tent caterpillar in the Prince Geroge region 1994 damage and forecast for 1995

  Ferris, R.L.; Humphreys, N.

  Year: 1994

  Catalog ID: 29313

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• Summary of forest pest conditions in the Prince George forest region

  Humphreys, N.; Ferris, R.L.

  Year: 1994

  Catalog ID: 29302

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• Two-year-cycle spruce budworm in the Prince George forest region

  Ferris, R.L.; Humphreys, N.

  Year: 1994

  Catalog ID: 29297

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• Eastern spruce budworm in the Fort Nelson Forest District

  Ferris, R.L.

  Year: 1994

  Catalog ID: 3509

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• Forest tent caterpillar in British Columbia. 1935-1993

  Ferris, R.L.

  Year: 1994

  Catalog ID: 3496

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• Forest insect and disease conditions, Prince George Forest Region, 1993

  Humphreys, N.; Ferris, R.L.

  Year: 1994

  Catalog ID: 3430

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• Forest insect and disease conditions, Cariboo Forest Region, 1993

  Erickson, R.D.; Ferris, R.L.

  Year: 1994

  Catalog ID: 3406

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• Spruce weevil population monitoring plots

  Humphreys, N.; Ferris, R.L.

  Year: 1993

  Catalog ID: 29292

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• Forest insect and disease conditions, Cariboo Forest Region, 1992

  Erickson, R.D.; Ferris, R.L.

  Year: 1993

  Catalog ID: 3516

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• Eastern spruce budworm in the Prince George Forest Region

  Ferris, R.L.

  Year: 1993

  Catalog ID: 3478

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• Two-year-cycle spruce budworm in the Ft. St. James and Mackenzie Forest Districts

  Humphreys, N.; Ferris, R.L.

  Year: 1993

  Catalog ID: 3477

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• Forest tent caterpillar in the Prince George Region

  Humphreys, N.; Ferris, R.L.

  Year: 1993

  Catalog ID: 3470

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• Two-year-cycle spruce budworm in the Prince George and Quesnel Forest District

  Ferris, R.L.; Erickson, R.D.

  Year: 1993

  Catalog ID: 3466

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• Forest insect and disease conditions, Prince George Forest Region 1992

  

  Humphreys, N.; Ferris, R.L.

  Year: 1993

  Catalog ID: 3376

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• Saddleback looper

  Ferris, R.L.

  Year: 1993

  Catalog ID: 3314

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• Two-year-cycle Spruce Budworm in the Prince George and Quesnel Forest Districts

  Ferris, R.L.; Erickson, R.D.

  Year: 1992

  Catalog ID: 34144

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• Summary of forest pest conditions in the Prince George Forest Region

  Humphreys, N.; Ferris, R.L.

  Year: 1992

  Catalog ID: 31633

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• Forest tent caterpillar in trembling aspen in the Prince George Forest Region

  Humphreys, N.; Ferris, R.L.

  Year: 1992

  Catalog ID: 31630

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• Two-year-cycle spruce budworm in the Prince George Forest Region

  Ferris, R.L.; Humphreys, N.

  Year: 1992

  Catalog ID: 31629

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• Eastern Spruce Budworm in the Prince George Forest Region

  Ferris, R.L.

  Year: 1992

  Catalog ID: 31602

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• Forest tent caterpillar, Malacosoma disstria Prince George Forest Region 1991 damage and forecast for 1992

  Humphreys, N.; Ferris, R.L.

  Year: 1992

  Catalog ID: 31591

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• Forest insect and disease conditions, Prince George Forest Region 1991

  Humphreys, N.; Ferris, R.L.

  Year: 1992

  Catalog ID: 3173

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• Western false hemlock looper

  Ferris, R.L.

  Year: 1992

  Catalog ID: 3168

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• Western false hemlock looper in British Columbia 1947-1991

  Ferris, R.L.

  Year: 1992

  Catalog ID: 3167

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• Forest insect and disease conditions, Cariboo Forest Region 1991

  Erickson, R.D.; Ferris, R.L.

  Year: 1992

  Catalog ID: 3166

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• Summary of forest pest conditions Prince George Forest Region

  Humphreys, N.; Ferris, R.L.

  Year: 1991

  Catalog ID: 31569

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• Two-year cycle spruce budworm in the Prince George and Cariboo Forest Regions

  Ferris, R.L.; Erickson, R.D.

  Year: 1991

  Catalog ID: 31564

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• Forest tent caterpillar in the Prince George Region

  Humphreys, N.; Ferris, R.L.; Wood, C.S.

  Year: 1991

  Catalog ID: 31562

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• History of important forest pests in the Yukon Territory, 1952 - 1990

  Ferris, R.L.

  Year: 1991

  Catalog ID: 26380

  Available from: Pacific Forestry Centre

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• Forest insect and disease conditions, Prince George Forest Region 1990

  Turnquist, R.; Ferris, R.L.

  Year: 1991

  Catalog ID: 3093

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• Forest insect and disease conditions, Yukon Forest Region 1990

  Ferris, R.L.

  Year: 1991

  Catalog ID: 3088

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• Forest insect and disease conditions, Cariboo Forest Region 1990

  Erickson, R.D.; Ferris, R.L.

  Year: 1991

  Catalog ID: 3087

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• Forest tent caterpillar, Prince George Forest Region 1990 update and forecast for 1991

  Turnquist, R.; Ferris, R.L.

  Year: 1990

  Catalog ID: 31028

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• Summary of forest pest conditions in the Yukon Territory

  Ferris, R.L.

  Year: 1990

  Catalog ID: 31021

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• Summary of forest pest conditions Prince George Forest Region

  Turnquist, R.; Ferris, R.L.

  Year: 1990

  Catalog ID: 31018

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• Summary of forest pest conditions in the Cariboo Forest Region

  Erickson, R.D.; Ferris, R.L.

  Year: 1990

  Catalog ID: 31015

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• Eastern and two-year-cycle spruce budworms in Spruce fir forests in the Prince George Forest Region

  Turnquist, R.; Ferris, R.L.

  Year: 1990

  Catalog ID: 31013

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• Forest tent caterpillar and large aspen tortrix in Trembling Aspen in the Prince George Forest Region

  Turnquist, R.; Ferris, R.L.

  Year: 1990

  Catalog ID: 31012

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• Forest tent caterpillar in the Prince George area

  Turnquist, R.; Ferris, R.L.

  Year: 1990

  Catalog ID: 31010

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• Two-year-cycle spruce budworm in the Prince George and Quesnel Forest Districts

  Ferris, R.L.

  Year: 1990

  Catalog ID: 31009

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• Forest insect and disease conditions, Prince George Forest Region 1989

  Turnquist, R.; Ferris, R.L.

  Year: 1990

  Catalog ID: 2994

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• Forest insect and disease conditions, Cariboo Forest Region 1989

  Erickson, R.D.; Ferris, R.L.

  Year: 1990

  Catalog ID: 2989

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• Forest tent caterpillar in the Prince George area 1989 update and forecast for 1990

  Turnquist, R.; Ferris, R.L.

  Year: 1989

  Catalog ID: 30997

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• Forest tent caterpillar population increase in the Prince George Forest region

  Turnquist, R.; Ferris, R.L.

  Year: 1989

  Catalog ID: 30992

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• Forest insect and disease conditions, Prince George Forest Region 1988

  Turnquist, R.; Ferris, R.L.

  Year: 1989

  Catalog ID: 2894

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• Forest insect and disease conditions, Cariboo Forest Region 1988

  Erickson, R.D.; Ferris, R.L.

  Year: 1989

  Catalog ID: 2888

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• Forest insect and disease conditions, Vancouver Forest Region 1987

  Humphreys, N.; Ferris, R.L.

  Year: 1988

  Catalog ID: 2770

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• Balsam woolly aphid, Adelges piceae on West Thurlow Island near Campbell River

  Ferris, R.L.

  Year: 1987

  Catalog ID: 30893

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• Balsam woolly aphid, Adelges piceae extend beynd the regulation area in the Vancouver Forest Region

  Ferris, R.L.

  Year: 1987

  Catalog ID: 30891

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• Winter moth, Operophtera brumata egg hatch in Victoria, B.C

  Ferris, R.L.

  Year: 1987

  Catalog ID: 30890

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• A canker fungus, Nitschkia molnarii in association with a bark miner, Laspeyresia pseudotsugae in young Douglas-fir near Campbell River

  Ferris, R.L.

  Year: 1987

  Catalog ID: 30889

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• Forest insect and disease conditions, Vancouver Forest Region 1986

  Humphreys, N.; Ferris, R.L.

  Year: 1987

  Catalog ID: 2684

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• Western tent caterpillar in the Vancouver Region in 1986, and 1987 forecast

  Ferris, R.L.

  Year: 1986

  Catalog ID: 30880

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• Winter moth in Victoria

  Ferris, R.L.

  Year: 1986

  Catalog ID: 30876

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• Forest insect and disease conditions, Kamloops Forest Region, 1985

  Erickson, R.D.; Ferris, R.L.

  Year: 1986

  Catalog ID: 2579

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• Larch budmoth defoliation of western larch Nelson and Kamloops Regions

  Ferris, R.L.; Turnquist, R.

  Year: 1985

  Catalog ID: 30866

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• Forest insect and disease conditions, Kamloops Forest Region, 1984 (File Report- Not for publication)

  Erickson, R.D.; Ferris, R.L.

  Year: 1985

  Catalog ID: 26377

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• Forest insect and disease conditions, Kamloops Forest Region, 1983 (File Report)

  Erickson, R.D.; Ferris, R.L.

  Year: 1984

  Catalog ID: 26381

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• Forest insect and disease conditions - Kamloops Forest Region 1982 (File Report - Not for publication)

  Wood, R.O.; Ferris, R.L.

  Year: 1983

  Catalog ID: 5110

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