. Elementary entomology. Entomology. Fig. ioi. Rocky Mountain locust laying eggs «, females ovipositing, with earth cut away to show tip of abdomen placing eggs at d, and completed egg mass at c; c, eggs, (.\fter Riley) years by the clouds of Rock\ {Mclanophis spretus) wh ich swooped down from the tablelands of the northwest, where they bred and mul- tiplied. Accounts of the numbers and voracity of these locusts seem almost incredible to-day, except to those who have seen an occasional outbreak in the northwest, for with the set- tling and development of the western plateau they have become le
. Elementary entomology. Entomology. Fig. ioi. Rocky Mountain locust laying eggs «, females ovipositing, with earth cut away to show tip of abdomen placing eggs at d, and completed egg mass at c; c, eggs, (.\fter Riley) years by the clouds of Rock\ {Mclanophis spretus) wh ich swooped down from the tablelands of the northwest, where they bred and mul- tiplied. Accounts of the numbers and voracity of these locusts seem almost incredible to-day, except to those who have seen an occasional outbreak in the northwest, for with the set- tling and development of the western plateau they have become less abundant, and are now injurious only in Minnesota, the Dakotas, and Manitoba. In the mid- dle and southern states the large bird grasshopper, or Mountain. Fig. 102. The Carolina locust {Dissosietra Carolina), female. (Slightly enlarged) (After Lugger). 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 Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882; Metcalf Collection (North Carolina State University). NCRS. Boston, Ginn
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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912
