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commenced in 1931. is definitely on the wane. 
• The European larch sawf ly has increased in numbers throughout the 
.. ithern half of New Brunswick and in some parts of Nova Scotia. Slight 
damage at scattered points has occurred in Prince Edward Island. In the 
Fernie area of British Columbia, a great reduction in this species is 
apparent this season. 
Outbreaks of the yellow-headed spruce sawfly have been very severe 
in many parts of the three Prairie Provinces. The only areas that have 
escaped have been the most southerly portions. 
Caterpillars of the cecropia moth have done considerable damage to 
boxelder in southern Saskatchewan. 
The satin moth infestations in the Maritime Provinces have been more 
severe and widespread than in previous years . 
