. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 1913 ENTOMOLOGICAL SOCIETY. 83 Insects Attacking Cereals and Grasses. White Grubs and Wireworms. Many complaints were received of injury to grain crops and potatoes by these larvge, especially from Western Ontario. Hessian Fly (Mayetiola destructor). The Hessian Fly has in many dis- tricts been unusually destructive. As soon as I saw that some wheat fields had as many as fifty per cent, of the plants destroyed, I sent out a circular letter outlining the most up-to-date methods of control. As the we
. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 1913 ENTOMOLOGICAL SOCIETY. 83 Insects Attacking Cereals and Grasses. White Grubs and Wireworms. Many complaints were received of injury to grain crops and potatoes by these larvge, especially from Western Ontario. Hessian Fly (Mayetiola destructor). The Hessian Fly has in many dis- tricts been unusually destructive. As soon as I saw that some wheat fields had as many as fifty per cent, of the plants destroyed, I sent out a circular letter outlining the most up-to-date methods of control. As the wet weather prevented almost any early sowing, it will be interesting to see the result next year. Many parasites were found to be present, but whether they would be in sufficient number to control the flies next year unaided is very doubtful. They are easier to rear than the He&sian Fly and are apparently present in considerable numbers almost every year. Grasshoppers. In spite of the wet season grasshoppers were very destructive in a few districts, and especially in parts of Norfolk County. • Eare or Uncommon Insects. Alabama argillacea. Large numbers of this moth were seen around electric lights at Woodstock on Oct. 11. Specimens were sent to me by Mr. James Dunlop. 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
