. Annual report. Entomological Society of Ontario; Insect pests; Insects. 1899] ENTOMOLOGICAL SOCIETY. 31 The Chinch-bug (BUssus leucopterus) Fig. 2, caused a loss in the State of Illinois alone cf seventy-three millions of dollars in a single year by its destruction of corn and wheat: crops. It is now controlled to a large extent by means of a fungous disease which is disseminated by distributing affected individuals wherever the bug is numerous. Fortunately for us this insect is rarely found in Canada and has never done any harm to our crops. The Hessian Fly ( Gecidomyia destructor, Say ) Fi
. Annual report. Entomological Society of Ontario; Insect pests; Insects. 1899] ENTOMOLOGICAL SOCIETY. 31 The Chinch-bug (BUssus leucopterus) Fig. 2, caused a loss in the State of Illinois alone cf seventy-three millions of dollars in a single year by its destruction of corn and wheat: crops. It is now controlled to a large extent by means of a fungous disease which is disseminated by distributing affected individuals wherever the bug is numerous. Fortunately for us this insect is rarely found in Canada and has never done any harm to our crops. The Hessian Fly ( Gecidomyia destructor, Say ) Fig. 3, is doing considerable damage in the wheat fields of Ontario to-day. In some parts Fig 2. Chinch-bug 0f Manitoba it is also doing great iniury, destroy- magmfied; the hair line. c n , , . i. £ It. below shows natural^g from five to twenty percent, of the crop, size. There it has only one brood in the year, but here south there are 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
Size: 1274px × 1961px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsects, bookyear1872
