Tripp, H.A.
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Pacific Region
Tripp, H.A.; Ross, D.A.; Hunt, R.S.
Year: 1975
Catalog ID: 32835
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Activity patterns of parasitoids on the Swaine jack pine sawfly, Neodiprion swainei (Hymenoptera : Diprionidae), and parasitoid impact on the host
Year: 1972
Catalog ID: 15832
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
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Annual report: forest insect and disease survey, Alberta-Northwest Territories-Yukon Region, 1967
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The development of Neodiprion swainei Middleton (Hymenoptera : Diprionidae) in the province of Quebec
Year: 1965
Catalog ID: 16142
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
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Hail damage
Tripp, H.A.; O'Neil, L.C.; Ouellette, G.B.
Year: 1962
Catalog ID: 16141
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
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The relationship of Spathimeigenia spinigera Townsend (Diptera : Tachinidae) to its host, Neodiprion swainei Midd. (Hymenoptera: Diprionidae)
Year: 1962
Catalog ID: 16140
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
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The biology of Perilampus hyalinus Say (Hymenoptera : Perilampidae), a primary parasite of Neodiprion swainei Midd. (Hymenoptera: Diprionidae) in Quebec, with descriptions of the egg and larval stages
Year: 1962
Catalog ID: 16139
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
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Dégâts par la grêle
Tripp, H.A.; O'Neil, L.C.; Ouellette, G.B.
Year: 1961
Catalog ID: 16138
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
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The biology of hyperparasite, Euceros frigidus Cress. (Ichneumonidae) and description of the planidial stage
Year: 1961
Catalog ID: 16137
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
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Spathimeigenia spinigera Townsend (Diptera : Tachinidae), a parasite of Neodiprion swainei Middleton (Hymenoptera: Tenthredinidae)
Year: 1960
Catalog ID: 16136
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
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Observations on the hyperparasite Euceros frigidus Cress
Year: 1960
Catalog ID: 16135
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
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Studies on the general biology and natural control of the jack pine sawfly, Neodiprion swainei Midd
Year: 1958
Catalog ID: 16134
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
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An ecological study and damage appraisal of white spruce cone insects
Year: 1956
Catalog ID: 16133
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
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Studies on the general biology and natural control of the jack pine sawfly, Neodiprion swainei Midd
Year: 1956
Catalog ID: 16132
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
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Reports on jack pine sawflies infestations in Quebec-1954
Daviault, L.; Martineau, R.; Tripp, H.A.
Year: 1955
Catalog ID: 15049
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).