. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Fig 60. Fig. 61. The Psylla winters in the full-grown or perfect state, a minute brick-red fly, about one-eighth of an inch in length. From the broad head the body tapers to a point at the caudal extremity. There are two pairs of large transparent wings, which when closed cover the body. The thighs are abnormally developed, which enables it to jump a long way; hence the name "Pear-tree ; In form this insect is the counterpart of the Dog-. Please note that these images are extra


. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Fig 60. Fig. 61. The Psylla winters in the full-grown or perfect state, a minute brick-red fly, about one-eighth of an inch in length. From the broad head the body tapers to a point at the caudal extremity. There are two pairs of large transparent wings, which when closed cover the body. The thighs are abnormally developed, which enables it to jump a long way; hence the name "Pear-tree ; In form this insect is the counterpart of the Dog-. 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