- Ives, W. G. H., R. A. Blauel, and J. K. Robins. 1971. Prairies Region. Pages 67-76. Canada Department of Fisheries and Forestry, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1970. 101 p.
- Ives, W. G. H., R. A. Blauel, and J. K. Robins. 1972. Prairies Region. Pages 73-80. Canada Department of the Environment, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1971. 106 p.
- Tripp, H. A., and R. A. Blauel. 1969. Alberta-Northwest Territories-Yukon Region. Pages 98-110. Canada Department of Fisheries and Forestry, Forest Insect and Disease Survey, Annual Report 1968. 141 p.
- Tripp, H. A., J. R. Robins, and R. A. Blauel. 1970. Alberta-Northwest Territories-Yukon Region. Pages 84-96. Canada Department of Fisheries and Forestry, Canadian Forestry Service, Forest Insect and Disease Survey, Annual Report 1969. 125 p.