Simpson, L.J.
-
Atlantic provinces. 1962. Davidson, A.G.; Newell, W.R.; Simpson, L.J. Government of Canada, Department of Forestry, Dominion Entomological Laboratory, Fredericton, N.B. Bi-monthly Research Notes.
Davidson, A.G.; Newell, W.R.; Simpson, L.J.
Year: 1962
Catalog ID: 8279
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Trap light operations in New Brunswick 1945-1954. 1955. Simpson, L.J. Interim Report 1954-10. 12 p.
Year: 1955
Catalog ID: 8210
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Control of white pine weevil with DDT - Maritime Provinces. 1952. Simpson, L.J. Bi-monthly Progress Report 8(1): 1.
Year: 1952
Catalog ID: 8333
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Control of white pine weevil with DDT - Maritime Provinces. 1949. Simpson, L.J. Bi-monthy Progress Report 5(1): 1.
Year: 1949
Catalog ID: 8332
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Borer injury in burned timber - Maritime Provinces. 1949. Simpson, L.J. Bi-monthly Research Notes.
Year: 1949
Catalog ID: 8331
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Control of borers in logs with DDT - Maritime Provinces. 1947. Simpson, L.J. Bi-monthly Research Notes.
Year: 1947
Catalog ID: 8330
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Borers in burned logs - Maritimes Provinces. 1947. Simpson, L.J. Bi-monthly Research Notes.
Year: 1947
Catalog ID: 8329
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
The European spruce sawfly outbreak in the Gaspe-Peninsula. 1934. Balch, R.E.; Simpson, L.J.; Prebble, M.L. Ent. Soc. Ont., Ann. Rep. 64: 57-59.
Balch, R.E.; Simpson, L.J.; Prebble, M.L.
Year: 1934
Catalog ID: 6945
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
The effect of the birch leaf skeletonizer and the sawfly leaf-miner on the growth of birches in New Brunswick. 1932. Simpson, L.J. Forestry Chronicle 8: 89-92.
Year: 1932
Catalog ID: 7451
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Insects of the season 1931 in New Brunswick. 1932. Gorham, R.P.; Walker, G.P.; Simpson, L.J. Ent. Soc. Ont. Ann. Rep. 62: 17-20.
Gorham, R.P.; Walker, G.P.; Simpson, L.J.
Year: 1932
Catalog ID: 7128
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
A European sawfly (Diprion polytomum (Hartig)) attacking spruce in the Gaspe-Peninsula, Quebec. 1932. Balch, R.E.; Simpson, L.J. The Canadian Entomologist 64: 162-163.
Year: 1932
Catalog ID: 6944
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Effect of defoliation on larch. 1931. Simpson, L.J. Forestry Chronicle 7: 155.
Year: 1931
Catalog ID: 7450
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
The seasonal history of Polygraphus rufipennis Kirby. 1929. Simpson, L.J. The Canadian Entomologist 61: 146-151.
Year: 1929
Catalog ID: 7449
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
The seasonal history of Dendroctonus simplex Lec. 1929. Simpson, L.J. The Canadian Entomologist 61: 274-279.
Year: 1929
Catalog ID: 7448
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Insects of the season 1929 in New Brunswick. 1929. Gorham, R.P.; Walker, G.P.; Simpson, L.J. Ent. Soc. Ont. Ann. Rep. 60: 10-14.
Gorham, R.P.; Walker, G.P.; Simpson, L.J.
Year: 1929
Catalog ID: 7127
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Insects of the season 1928 in New Brunswick. 1929. Gorham, R.P.; Walker, G.P.; Simpson, L.J. Ent. Soc. Ont. Ann. Rep. 59: 13-17.
Gorham, R.P.; Walker, G.P.; Simpson, L.J.
Year: 1929
Catalog ID: 7126
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).