1913 



ENTOMOLOGICAL SOCIETY. 



felt sure the strong lime-sulphur alone of the first application had killed most 

 of the larvse. 



Fall Canker-Woem {Alsophila pometaria). Tliis old foe of orchards and 

 other deciduous trees was much more abundant and destructive this year than I 

 had ever seen it before, but as usual it was confined to a few localities. At Dundas 

 and near Stoney Creek several orchards lost almost all their foliage through its 

 attacks. From two or three other districts similar reports of injury were sent in. 

 This photograph was taken by Mr. Baker and me in an orchard near Stony Cfeek 

 and shows the sort of work done by this pest. Fortunately, one of our fourth 



Pig. 22. — Cluster of small, woody, deformed Apples, 



caused by the feeding of aphids in the 



twigs and fruit. 



year students had rented a badly infested orchard in the district. He sprayed this 

 very thoroughly shortly before the blossoms hurst and succeeded in getting such 

 excellent results that not enough caterpillars escaped to do any appreciable damage. 

 The worst orchards I saw were in sod. From caterpillars brought to Guelph by 

 Mr. Baker numerous females and a few males are now, Oct. 11, emerging. 



Aphids. This has been one of the worst seasons we have had for Aphids, the 

 wet spring giving them an excellent start. On bearing apple trees by far the 

 most destructive species in the Niagara District was the Eosy Aphis {Aphis sorhi.) 



