Sippell, W.L.
-
A proposed long-term management strategy for the spruce budworm in North America.
Year: 1984
Catalog ID: 38636
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Évaluation continue du tableau changeant des dommages causés par la tordeuse des bourgeons de l’épinette au Canada.
-
Planning now to reduce, postpone or prevent the next spruce budworm outbreak.
Year: 1984
Catalog ID: 22399
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Historical records suggest a new international strategy of management for the spruce budworm in North America.
Year: 1984
Catalog ID: 22398
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
A review of the spruce budworm and its outbreak history.
Year: 1983
Catalog ID: 22397
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
A newly-recognized characteristic of eruptions of the spruce budworm in Ontario.
Year: 1982
Catalog ID: 38637
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Annual report of the forest insect and disease survey, 1976: Ontario region.
Sippell, W.L.; Rose, A.H.; Gross, H.L.
Year: 1978
Catalog ID: 37044
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Insects and diseases important in plantation establishment.
Year: 1977
Catalog ID: 38639
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Spruce budworm associated tree mortality in northeastern Ontario, 1972-76.
Year: 1977
Catalog ID: 38638
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Another plague of forest tent caterpillars.
Year: 1977
Catalog ID: 38446
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Forest insect and disease conditions in Ontario, 1977.
-
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)
-
Forest insect and disease conditions in Ontario. Forestry Bulletin June-July 1976.
-
Annual report of the forest insect and disease survey, 1975: Ontario region.
Sippell, W.L.; Gross, H.L.; Rose, A.H.
Year: 1976
Catalog ID: 37043
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Forest insect and disease conditions in Ontario. 1976. Forestry Bulletin August-October, 1976.8p.
-
Forest insect and disease conditions in Ontario. 1976. Forestry Bulletin May 1976. 4p.
-
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)
-
Forest insect and disease conditions in Ontario. Forestry Bulletin June - July 1975.
-
Annual report of the forest insect and disease survey, 1974: Ontario region.
Sippell, W.L.; Rose, A.H.; Gross, H.L.
Year: 1975
Catalog ID: 37042
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Forest insect and disease conditions in Ontario. 1975. Forestry Bulletin August - September 1975.
-
Forest insect and disease conditions in Ontario. 1975. Forestry Bulletin May 1975. 6p.
-
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)
-
Forest insect and disease conditions in Ontario. 1974. Forestry Bulletin August-September 1974. 8p.
-
Forest insect and disease conditions in Ontario. 1974. Forestry Bulletin June-July 1974. 11p.
-
Forest insect and disease conditions in Ontario. 1974. Forestry Bulletin May 1974. 3p.
-
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)
-
Annual report of the forest insect and disease survey, 1973: Ontario Region.
Sippell, W.L.; Rose, A.H.; Gross, H.L.
Year: 1973
Catalog ID: 37041
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Annual report of the forest insect and disease survey, 1972: Ontario region.
Sippell, W.L.; Gross, H.L.; Rose, A.H.
Year: 1973
Catalog ID: 37040
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Forest insect and disease conditions in Ontario. 1973. Forestry Bulletin August-September 1973. 6p.
-
Forest insect and disease conditions in Ontario. 1973. Forestry Bulletin August 1973. 11p.
-
Forest insect and disease conditions in Ontario.1973. Forestry Bulletin May 1973. 6p.
-
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)
-
Annual report of the forest insect and disease survey, 1971: Ontario region.
Sippell, W.L.; Rose, A.H.; Gross, H.L.
Year: 1972
Catalog ID: 37038
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Forest insect and disease conditions in Ontario. 1972. Forestry Bulletin August-September 1972. 8p.
-
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)
-
The eastern pine-shoot borer, Eucosma Gloriola (Lepidoptera : Tortricidae), in North America
DeBoo, R.F.; Sippell, W.L.; Wong, H.R.
Year: 1971
Catalog ID: 31147
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (request by e-mail)
-
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)
-
Annual report of the forest insect and disease survey 1970: Ontario Region.
Sippell, W.L.; Gross, H.L.; Rose, A.H.
Year: 1970
Catalog ID: 37036
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
The current spruce budworm situation in northeastern Ontario. O-X-135.
-
Annual report of the Forest Insect and Disease Survey 1969: Ontario Region.
Sippell, W.L.; Rose, A.H.; Gross, H.L.
Year: 1969
Catalog ID: 37034
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Annual report of the forest insect and disease survey 1968: Ontario region.
Sippell, W.L.; Gross, H.L.; Rose, A.H.
Year: 1968
Catalog ID: 37033
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Annual report of the forest insect and disease survey: Ontario Region, 1967.
Sippell, W.L.; Rose, A.H.; Larsen, M.J.
Year: 1967
Catalog ID: 37541
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
-
Annual report of the forest insect and disease survey, 1966.
.
Sippell, W.L.; Dance, B.W.; Rose, A.H.
Year: 1966
Catalog ID: 38661
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Use of aircraft in the appraisal of forest insect and disease damage.
Year: 1966
Catalog ID: 38642
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Highlights of forest insect conditions in Ontario in 1965.
Year: 1966
Catalog ID: 38641
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Distribution of cocoon parasite of the European pine sawfly, Neodiprion sertifer (Geoffroy) in southern Ontario.
Year: 1966
Catalog ID: 38437
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Ontario's tent caterpillar problem.
Year: 1965
Catalog ID: 38654
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Annual report of the forest insect and disease survey, 1965.
Sippell, W.L.; Dance, B.W.; Rose, A.H.
Year: 1965
Catalog ID: 38439
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
An intensive survey of spruce budworm infestations in the Geraldton district, 1962.
Year: 1964
Catalog ID: 38653
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect conditions, 1964.
Sippell, W.L.; MacDonald, J.E.; Rose, A.H.
Year: 1964
Catalog ID: 37853
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Forest insect survey. September-October Interim Report. 1964.
MacDonald, J.E.; Sippell, W.L.
Year: 1964
Catalog ID: 37852
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
A review of the Dutch elm disease: vectors of the disease.
Year: 1964
Catalog ID: 36699
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Vectors of the Dutch elm disease
Year: 1964
Catalog ID: 15171
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Interim report of the forest insect survey. May 1963.
MacDonald, J.E.; Sippell, W.L.
Year: 1963
Catalog ID: 37872
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect conditions, 1963.
Sippell, W.L.; MacDonald, J.E.; Rose, A.H.
Year: 1963
Catalog ID: 37854
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Outbreaks of the forest tent caterpillar, Malacosoma disstria Hbn., a periodic defoliator of broad-leaved trees in Ontario.
Year: 1962
Catalog ID: 38652
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect conditions, 1962.
Sippell, W.L.; MacDonald, J.E.; Rose, A.H.
Year: 1962
Catalog ID: 37851
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Scolytid vectors of the Dutch elm disease in Ontario.
Year: 1961
Catalog ID: 38651
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
The life history, parasites, and economic status of the larch shoot moth, Argyresthia laricella Kft. (Lepidoptera, Yponomeutidae), and comparisons with A. laevigatella H.-S.
Year: 1961
Catalog ID: 38650
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Key to the puparia of common dipterous parasites of the forest tent caterpillar, Malacosoma disstria Hbn., in Ontario.
Year: 1961
Catalog ID: 38649
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Extension of infestations of the European pine sawfly, Neodiprion sertifer(Geoff.).
Year: 1961
Catalog ID: 38648
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Extension of infestations of the European pine sawfly, Neodiprion sertifer(Geoff.).
Year: 1961
Catalog ID: 38647
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect survey, 1961.
Sippell, W.L.; MacDonald, J.E.; Rose, A.H.
Year: 1961
Catalog ID: 37850
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
The Nantucket pine tip moth, Rhuacionia frustrana.
Sippell, W.L.; Lindquist, O.H.
Year: 1961
Catalog ID: 37601
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Bud-miners, Argyresthia spp., on spruce and balsam fir in Ontario.
Lindquist, O.H.; Sippell, W.L.
Year: 1961
Catalog ID: 37598
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect survey,1960.
Sippell, W.L.; MacDonald, J.E.; Rose, A.H.
Year: 1960
Catalog ID: 37849
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect survey, 1959.
Sippell, W.L.; MacDonald, J.E.; Rose, A.H.
Year: 1959
Catalog ID: 37848
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
New distribution records and notes on an Arborvitae leaf-miner in Ontario.
Lindquist, O.H.; Sippell, W.L.
Year: 1959
Catalog ID: 37595
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
First records of two pine sawflies in Michigan.
Year: 1958
Catalog ID: 38467
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect survey,1958.
Sippell, W.L.; MacDonald, J.E.
Year: 1958
Catalog ID: 37847
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
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)
-
A moth attacking larch shoots in eastern Canada.
Year: 1957
Catalog ID: 38662
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect survey, 1957.
Sippell, W.L.; MacDonald, J.E.
Year: 1957
Catalog ID: 37846
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Damage to jack pine by the pine tortoise scale.
Year: 1956
Catalog ID: 38663
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect survey, 1956.
Sippell, W.L.; MacDonald, J.E.; Wallace, D.R.
Year: 1956
Catalog ID: 37845
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Effects of weather on the forest tent caterpillar Malacosoma disstria Hbn., in central Canada in the spring of 1953.
Blais, J.R.; Prentice, R.M.; Sippell, W.L.; Wallace, D.R.
Year: 1955
Catalog ID: 38646
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect survey, 1955.
Sippell, W.L.; MacDonald, J.E.; Wallace, D.R.
Year: 1955
Catalog ID: 37844
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Effects of weather on the forest tent caterpillar Malacosoma disstria Hbn., in Central Canada in the spring of 1953.
Blais, J.R.; Prentice, R.M.; Sippell, W.L.; Wallace, D.R.
Year: 1955
Catalog ID: 14891
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect survey,1954.
Sippell, W.L.; MacDonald, J.E.; Wallace, D.R.
Year: 1954
Catalog ID: 37843
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
The forest tent caterpillar in north-western Ontario.
Year: 1953
Catalog ID: 38645
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Studies of the responses of the female Aedes mosquito. Part V. The role of visual factors.
Year: 1953
Catalog ID: 38643
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Province of Ontario: Forest insect survey, 1953.
Sippell, W.L.; MacDonald, J.E.; Wallace, D.R.
Year: 1953
Catalog ID: 37839
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Winter rearing of the forest tent caterpillar, Malacosoma disstria Hbn.
Year: 1952
Catalog ID: 38644
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
