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shade trees in northeastern Alberta. Egg-rings of this species have 
"been received from points all over the territory infested this spring, 
A survey in New 3runswick indicates that the lrrch sawfly is 
comparatively scarce in the province this year. 
In the Kamloops area and the Ghilcotin district, British Columbia, 
"citing flies, including tabanids, simuliids, and leptids, are reported 
as much more troublesome than usual. 
An outbreak of the rainpool mosquito, A§des vexans Mgn. occurred 
in many sections of Ontario and Quebec as a result of heavy rains in July 
