. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 1918 ENTOMOLOGICAL SOCIETY. 39 Five kinds of control measures were tested, but only one proved at all satisfactory, namely dusting with Paris green mixed with 20 times or more its bulk of air slaked or hydrated lime. Any other fine, moderately heavy substance such as land plaster should do as well as the lime. I thought that possibly the. Zebra caterpillar and moth. poison bran might work, though the feeding, or rather the resting habit of remaining on the leaf except in wet weather, made it dou;bt
. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 1918 ENTOMOLOGICAL SOCIETY. 39 Five kinds of control measures were tested, but only one proved at all satisfactory, namely dusting with Paris green mixed with 20 times or more its bulk of air slaked or hydrated lime. Any other fine, moderately heavy substance such as land plaster should do as well as the lime. I thought that possibly the. Zebra caterpillar and moth. poison bran might work, though the feeding, or rather the resting habit of remaining on the leaf except in wet weather, made it dou;btful whether they would ever seek or find the bran. The result showed that while a few did come in contact with it and died, about 90 per cent, did not. Codling Moth (Carpocapsd pomonella). A remarkable thing about this insect this year was the great number of side injuries it caused all over the Province. This was especially noteworthy in Niagara, because most of the side injuries there are ordinarily caused by the second brood and are made during August and September, but this year about. 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
