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Publications by R.C. Clark

31 records.

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The spruce budworm in Newfoundland: history, status, and control
Otvos, I.S.; Clark, R.C.
Year: 1977    Catalog ID: 6708
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Collecting and Processing Forest Insect and Disease Survey Samples in Newfoundland
Clark, R.C.; Richardson, K.S.
Year: 1974    Catalog ID: 6685
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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The Sawflies and Horntails of Newfoundland
Clark, R.C.; Clarke, L.C.; Pardy, K.E.
Year: 1974    Catalog ID: 6686
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Biological agents released in Newfoundland for the control of forest insect pests
Clark, R.C.; Otvos, I.S.; Pardy, K.E.
Year: 1973    Catalog ID: 6654
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Insects of Balsam Fir in Newfoundland
Clark, R.C.; Pardy, K.E.
Year: 1972    Catalog ID: 6637
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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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
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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The hemlock looper in Newfoundland: the outbreak, 1966 to 1971; and aerial spraying, 1968 and 1969
Otvos, I.S.; Clark, R.C.; Clarke, L.J.
Year: 1971    Catalog ID: 6626
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Studies of Adelges piceae (Ratz.) and its predators
Clark, R.C.
Year: 1963    Catalog ID: 8151
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). X. Field identification of Laricobius erichsonii Rosen. (Coleoptera: Derodontidae)
Brown, N.R.; Clark, R.C.
Year: 1962    Catalog ID: 7003
Available from: Atlantic Forestry Centre
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). XI. Cremifania nigrocellulata Cz. (Diptera: Chamaemyiidae), an introduced predator in eastern Canada
Clark, R.C.; Brown, N.R.
Year: 1962    Catalog ID: 7026
Available from: Atlantic Forestry Centre
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Studies on Adelges piceae (Ratz.) and its predators
Clark, R.C.; Brown, N.R.
Year: 1962    Catalog ID: 8152
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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A new record of Leptinillus validus (Horn) (Coleoptera: Leptinidae) in North America
Clark, R.C.
Year: 1961    Catalog ID: 7019
Available from: Atlantic Forestry Centre
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). IX. Pullus impexus (Muls.) (Coleoptera: Coccinellidae), an introduced predator in eastern Canada
Clark, R.C.; Brown, N.R.
Year: 1961    Catalog ID: 7025
Available from: Atlantic Forestry Centre
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Studies on Adelges piceae (Ratz.) and its predators
Clark, R.C.; Brown, N.R.; Smith, B.C.
Year: 1961    Catalog ID: 8159
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). VIII. Syrphidae (Diptera)
Brown, N.R.; Clark, R.C.
Year: 1960    Catalog ID: 20309
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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A method of adapting a microscope for observation of non-motile insects on tree trunks
Clark, R.C.; Brown, N.R.
Year: 1960    Catalog ID: 7023
Available from: Atlantic Forestry Centre
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). VII. Laricobius rubidus Lec. (Coleoptera: Derodontidae), a predaotr of Pineus strobi (Htg.) (Homoptera: Adelgidae)
Clark, R.C.; Brown, N.R.
Year: 1960    Catalog ID: 7024
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Studies on Adelges piceae (Ratz.) and its predators
Clark, R.C.; Brown, N.R.; Smith, B.C.
Year: 1960    Catalog ID: 8158
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). VI. Aphidecta obliterata (L.) (Coleoptera: Coccinellidae), an introduced predator in eastern Canada
Brown, N.R.; Clark, R.C.
Year: 1959    Catalog ID: 7002
Available from: Atlantic Forestry Centre
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A field cage for rearing syrphid larvae and other predators of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae)
Clark, R.C.; Brown, N.R.
Year: 1959    Catalog ID: 7022
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Studies on Adelges piceae (Ratz.) and its predators
Clark, R.C.; Brown, N.R.; Smith, B.C.
Year: 1959    Catalog ID: 8157
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). V. Laricobius erichsonii Rosen. (Coleoptera: Derodontidae), an introduced predator in eastern Canada
Clark, R.C.; Brown, N.R.
Year: 1958    Catalog ID: 7021
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Studies on Adelges piceae (Ratz.) and its predators
Clark, R.C.; Brown, N.R.; Smith, B.C.
Year: 1958    Catalog ID: 8156
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Adelges piceae (Ratz.) in Canada with reference to biological control
Balch, R.E.; Clark, R.C.; Brown, N.R.
Year: 1958    Catalog ID: 8440
Available from: Atlantic Forestry Centre
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). IV. Neoleucopis obscura (Hal.) (Diptera: Chamaemyiidae), an introduced predator in eastern Canada
Brown, N.R.; Clark, R.C.
Year: 1957    Catalog ID: 7001
Available from: Atlantic Forestry Centre
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). III. Field identification and some notes on the biology of Neoleucopis pinicola Mall. (Diptera: Chamaemyiidae)
Clark, R.C.; Brown, N.R.
Year: 1957    Catalog ID: 7020
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Studies on Adelges piceae (Ratz.) and its predators
Clark, R.C.; Brown, N.R.; Smith, B.C.
Year: 1957    Catalog ID: 8155
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). I. Field identification of Neoleucopis obscura (Hal.), Leucopina americana (Mall.) and Cremifania nigrocellulata Cz. (Diptera, Chamaemyiidae)
Brown, N.R.; Clark, R.C.
Year: 1956    Catalog ID: 6999
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Studies of predators of the balsam woolly aphid Adelges piceae (Ratz.) (Homoptera: Adelgidae). II. An annotated list of the predators associated with the balsam woolly aphid in eastern Canada
Brown, N.R.; Clark, R.C.
Year: 1956    Catalog ID: 7000
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Studies on Adelges piceae (Ratz.) and its predators
Clark, R.C.; Brown, N.R.; Smith, B.C.
Year: 1956    Catalog ID: 8154
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Studies on Adelges piceae (Ratz.) and its predators
Clark, R.C.; Brown, N.R.; Smith, B.C.
Year: 1955    Catalog ID: 8153
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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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.