Canadian Forest Service Publications
Birch-leafmining sawflies. 1994. Langor, D.W.; Digweed, S.C.; McQueen, R.L.; Spence, J.R. Pages 3-4 (Vol. May 1994) in K.I. Mallett, compiler. Forest Insect and Disease Notes. Natural Resources Canada, Canadian Forest Service, Northern Forestry Centre, Edmonton, Alberta.
Year: 1994
Issued by: Northern Forestry Centre
Catalog ID: 20967
Language: English
Availability: PDF (download)