. 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.). 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