. Elementary entomology . Fig. ioi. Rocky Mountain locust laying eggs a, females ovipositing, with earth cut away to show tip of abdomen placing eggs at </, and completed egg mass at c; c, eggs. (After Riley) years by the clouds of Rocky {Mclanopbis sprctus) which 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 abunda
. Elementary entomology . Fig. ioi. Rocky Mountain locust laying eggs a, females ovipositing, with earth cut away to show tip of abdomen placing eggs at </, and completed egg mass at c; c, eggs. (After Riley) years by the clouds of Rocky {Mclanopbis sprctus) which 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
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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912
