. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 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 inj
. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 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.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Entomological Society of Ontario; Ontario. Dept. of Agriculture. Toronto, The Society
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872
