Canadian Forest Service Publications
Emergence of the larch sawfly (Pristiphora erichsonii (Htg.) in relation to soil temperature and weather patterns. 1959. Turnock, W.J. Government of Canada, Department of Northern Affairs and National Resources, Forestry Branch, Forest Biology Laboratory, Winnipeg, Manitoba. Forest research report. 134 p.
Issued by: Northern Forestry Centre
Catalog ID: 27713
Availability: PDF (download)