Tripp, H.A.
-
Pacific Region. 1975. Tripp, H.A.; Ross, D.A.; Hunt, R.S. Pages 83-93 in Forest insect and disease survey - annual report 1974. Environment Canada, Canadian Forestry Service, Ottawa.
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).
-
Activity patterns of parasitoids on the Swaine jack pine sawfly, Neodiprion swainei (Hymenoptera : Diprionidae), and parasitoid impact on the host. 1972. Price, P.W.; Tripp, H.A. The Canadian Entomologist 104: 1003-1016.
Year: 1972
Catalog ID: 15832
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
-
Annual report: forest insect and disease survey, Alberta-Northwest Territories-Yukon Region, 1967. 1968. Tripp, H.A.; Robins, J.K. Government of Canada, Department of Forestry and Rural Development, Forest Research Laboratory, Calgary, Alberta. Information Report A-X-15. 64 p.
-
The development of Neodiprion swainei Middleton (Hymenoptera : Diprionidae) in the province of Quebec. 1965. Tripp, H.A. The Canadian Entomologist 97(1): 92-107.
Year: 1965
Catalog ID: 16142
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
-
Hail damage. 1962. Tripp, H.A.; O'Neil, L.C.; Ouellette, G.B. Bi-monthly Progress Report 18(3): 1-2.
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).
-
The relationship of Spathimeigenia spinigera Townsend (Diptera : Tachinidae) to its host, Neodiprion swainei Midd. (Hymenoptera: Diprionidae) 1962. Tripp, H.A. The Canadian Entomologist 94(8): 809-818.
Year: 1962
Catalog ID: 16140
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
-
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. 1962. Tripp, H.A. The Canadian Entomologist 94(12): 1250-1270.
Year: 1962
Catalog ID: 16139
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
-
Dégâts par la grêle. 1961. Tripp, H.A.; O'Neil, L.C.; Ouellette, G.B. Bull. Inf. Bimest. 17(6) : 1.
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).
-
The biology of hyperparasite, Euceros frigidus Cress. (Ichneumonidae) and description of the planidial stage. 1961. Tripp, H.A. The Canadian Entomologist 93(1): 40-58.
Year: 1961
Catalog ID: 16137
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
-
Spathimeigenia spinigera Townsend (Diptera : Tachinidae), a parasite of Neodiprion swainei Middleton (Hymenoptera: Tenthredinidae) 1960. Tripp, H.A. The Canadian Entomologist 92(5): 347-359.
Year: 1960
Catalog ID: 16136
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
-
Observations on the hyperparasite Euceros frigidus Cress. 1960. Tripp, H.A. Bi-monthly Progress Report 16(2): 1-2.
Year: 1960
Catalog ID: 16135
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Studies on the general biology and natural control of the jack pine sawfly, Neodiprion swainei Midd. 1958. Tripp, H.A. Government of Canada, Department of Northern Affairs and National Resources, Forestry Branch, Sainte-Foy, Québec. Annual Technical Report 1957. 19 p.
Year: 1958
Catalog ID: 16134
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
-
An ecological study and damage appraisal of white spruce cone insects. 1956. Tripp, H.A.; Hedlin, A.F. Forestry Chronicle 32(4): 400-410.
Year: 1956
Catalog ID: 16133
Issued by: Laurentian Forestry Centre
Availability: PDF (request by e-mail)
-
Studies on the general biology and natural control of the jack pine sawfly, Neodiprion swainei Midd. 1956. Tripp, H.A. Government of Canada, Department of Northern Affairs and National Resources, Forestry Branch, S.l. Annual Technical Report 1955. 31 p.
Year: 1956
Catalog ID: 16132
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Reports on jack pine sawflies infestations in Quebec-1954. 1955. Daviault, L.; Martineau, R.; Tripp, H.A. s.n., S.l., Vol. 1955]. 15 p.
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).