. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. (a) The Female Midge, with her four-pointed ovi- positor extended ; {b) head ; (c) tip of ovipositor ; {d) joints of antennse ; all his;hlv magnified. (Riley.). (a) The Male Midge, highly magnified; (b) head, Surther enlarged ; (c) clasping organs ; (rf) joints of antennae ; (e) cla«s ; (//) forms of scales on body and wings. (Riley.) The main preventive is a short rotation of crops, in which the fields are not allowed to remain longer than two seasons in grass. Experiments and experience have both
. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. (a) The Female Midge, with her four-pointed ovi- positor extended ; {b) head ; (c) tip of ovipositor ; {d) joints of antennse ; all his;hlv magnified. (Riley.). (a) The Male Midge, highly magnified; (b) head, Surther enlarged ; (c) clasping organs ; (rf) joints of antennae ; (e) cla«s ; (//) forms of scales on body and wings. (Riley.) The main preventive is a short rotation of crops, in which the fields are not allowed to remain longer than two seasons in grass. Experiments and experience have both shown that there is no use attempting to kill the wire-worms by soaking the seeds in poisonous chemicals, or by putting poisonous substances on the lands in the hope that the insects will be killed. Outworms were quite abundant in many sections of the Province, and did considerable damage. An interesting observation was made in Kent County where the cutworms were very numerous up to the end of May. Heavy rains occurred at this time, and many of the low, level fields were inundated. Thousands of dead cutworms were seen along the borders of th« drowned fields. 5 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
