Underwood, G.R.
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Forest pest conditions in the Maritime Provinces in 1974 with an outlook for 1975. 1975. Forbes, R.S.; Underwood, G.R.; van Sickle, G.A. Fredericton, NB. Information Report M-X-53. 41 p.
Forbes, R.S.; Underwood, G.R.; van Sickle, G.A.
Year: 1975
Catalog ID: 7676
Issued by: Atlantic Forestry Centre
Availability: PDF (download)
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Notes on insects reared from woodbolts in the Maritime Provinces. 1974. Titus, F.A.; Underwood, G.R. Fredericton, NB. Information Report M-X-46. 15 p.
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Forest pest conditions in the Maritimes in 1973 with an outlook for 1974. 1974. Forbes, R.S.; Underwood, G.R.; van Sickle, G.A. Fredericton, NB. Information Report M-X-43. 29 p.
Forbes, R.S.; Underwood, G.R.; van Sickle, G.A.
Year: 1974
Catalog ID: 7666
Issued by: Atlantic Forestry Centre
Availability: PDF (download)
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Establishment in Maine, Nova Scotia, and New Brunswick of Olesicampe benefactor (Hymenoptera: Ichneumonidae), an introduced ichneumonid parasite of the larch sawfly, Pristiphora erichsonii (Hymenoptera: tenthredinidae) 1972. Embree, D.G.; Underwood, G.R. The Canadian Entomologist 140: 89-96.
Year: 1972
Catalog ID: 7089
Issued by: Atlantic Forestry Centre
Availability: Order paper copy (free)
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An infestation of Neodiprion virginianus complex (Hymenoptera: Diprionidae) in northeastern New Brunswick. 1970. Underwood, G.R. The Canadian Entomologist 102: 471-473.
Year: 1970
Catalog ID: 7565
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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Description and seasonal history of a leafminer on poplar Messa populifoliella (Hymenoptera: Tenthredinidae) 1968. Underwood, G.R.; Titus, F.A. The Canadian Entomologist 100: 407-411.
Year: 1968
Catalog ID: 7567
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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Parasites of the red-pine sawfly, Neodiprion nanulus nanulus (Hymenoptera: Diprionidae), in New Brunswick. 1967. Underwood, G.R. The Canadian Entomologist 99: 1110-1116.
Year: 1967
Catalog ID: 7564
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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A new species of Pineus (Homoptera: Adelgidae) on Abies. 1964. Underwood, G.R.; Balch, R.E. The Canadian Entomologist 96: 522-528.
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Pineus pineoides (Cholodkovsky) (Homoptera: Adelgidae) on red spruce in New Brunswick and Nova Scotia. 1963. Underwood, G.R. The Canadian Entomologist 95: 720-724.
Year: 1963
Catalog ID: 7563
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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Notes on Matsucoccus macrocicatrices Richards (Homoptera: Margarodidae) and its association with Septobasidium pinicola Snell in eastern Canada. 1960. Watson, W.Y.; Underwood, G.R.; Reid, J. The Canadian Entomologist 92: 662-667.
Watson, W.Y.; Underwood, G.R.; Reid, J.
Year: 1960
Catalog ID: 7608
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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The external morphology of the five forms of Pineus pinifoliae (Fitch) (Homoptera: Phylloxeridae) 1955. Underwood, G.R. The Canadian Entomologist 87: 201-209.
Year: 1955
Catalog ID: 7562
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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The life history of Pineus pinifoliae (Fitch) (Homoptera: Phylloxeridae) and its effect on white pine. 1950. Balch, R.E.; Underwood, G.R. The Canadian Entomologist 82: 117-123.
Year: 1950
Catalog ID: 6946
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).