. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 1912 ENTOMOLOGICAL SOCIETY 21 prediction has proved to be true, it is curious to note that a provision of nature this Spring helped to restore the balance to which we are more or less accustomed. It can be seen from the Meteorological Eecords that the Spring was dry and more or less warm, and devoid of late frosts at the time of blossoming. The apples set well, the various varieties blossoming conjointly, and development taking place very rapidly. Just at the time, after blossoming, when the develo
. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 1912 ENTOMOLOGICAL SOCIETY 21 prediction has proved to be true, it is curious to note that a provision of nature this Spring helped to restore the balance to which we are more or less accustomed. It can be seen from the Meteorological Eecords that the Spring was dry and more or less warm, and devoid of late frosts at the time of blossoming. The apples set well, the various varieties blossoming conjointly, and development taking place very rapidly. Just at the time, after blossoming, when the developing fruits are recommended to be sprayed, rain came and continued for a few days, interfering with the process of spraying. It would be fairly estimated that not more than 50 per cent, of the apple growers sprayed during the important week following the fall of the blossoms. The week of May 22nd was the time when the blossoms fell from apples on the average for the whole district. The Plum Curculio {Conotrachelus nenwpliar). This insect was exceedingly prevalent this year. I do not believe that it is given its due consideration by the majority of the fruit growers in the district, as being one of the most satisfactory means of reducing the proiits and yield of the various fruits in their orchards. It is well known and very much dreaded by a great many, but from the fact that it causes fruit to drop, its importance is to a large extent lost sight Fig. 14. Codling Moth and its work, showing the different stages. In the first four days of July of this year I examined a total of 3,300 apples between Jordan and St. Catharines. At this time of year, before the development of the second brood of Codling Moth had taken place, per cent, of the apples were infested with Curculio wliile per cent, were attacked by Codling Moth. In a few days I had occasion to visit the Eidgeway and Fort Erie District, and there examined a total of 3,100 fruits and found that per cent,
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872