Publications du Service canadien des forêts

Where have all the birch leafminers gone? 1996. Langor, D.W.; Digweed, S.C.; McQueen, R.L.; Spence, J.R. Pages 3-6 (Vol. August 1996) in J.P. Brandt, compiler. Forest insect and disease notes. Natural Resources Canada, Canadian Forest Service, Northern Forestry Centre, Edmonton, Alberta. 3-6 p.