 | American Association for the Advancement of Science - 1892 - 604 էջ
...distance away from the roadways, where the vegetation was at all rank, that but few insects were found. This species, in size and length of wing, much more...continued or widespread injury from this species. The locusts found farther north have consisted of several species, most of which are known as sedentary,... | |
 | American Association for the Advancement of Science - 1892 - 606 էջ
...destructive species of Europe and some other countries than the Rocky Mountain Locust ( Caloptenvs spretus) and there seems to be no particular reason...continued or widespread injury from this species. The locusts found farther north have consisted of several species, most of which are known as sedentary,... | |
 | American Association for the Advancement of Science - 1892 - 614 էջ
...destructive species of Europe and some other countries than the Rocky Mountain Locust ( Caloptenus sprftus) and there seems to be no particular reason why, at...continued or widespread injury from this species. The locusts found farther north have consisted of several species, most of which are known as sedentary,... | |
 | American Association for the Advancement of Science - 1892 - 604 էջ
...destructive species of Europe and some other countries than the Uoeky Mountain Locust (Caloptenvx xprrtux) and there seems to be no particular reason why, at...continued or widespread injury from this species. The locusts found farther north have consisted of several species, most of which are known as sedentary,... | |
 | 1892 - 506 էջ
...species of Europe aud sonio other countries than does the Rocky Mountain Locust (Caloptcnus tpretiu), and there seems to be no particular reason why, at...think there is little reason to fear any continued and widespread injury from this species. The locusts found further north have consisted of several... | |
 | 1892 - 488 էջ
...other countries than does the Rocky Mountain Locust (Caloptcniis ftprctue), and there seems to beuo particular reason why, at times, it should not become...experience justifies calculation, however, it will uot <!<> so, and I thiiik there is little reason to fear any continued and widespread injury from this... | |
 | United States. Department of Agriculture - 1892 - 808 էջ
...migratory and destructive species of Europe and some other countries than the Kocky Mountain locust, and there seems to be no particular reason why at...and fly in vast swarms from one locality to another. The present year, in lact, Messrs. Popeuoe and Snow observed them flying southward with such ease,... | |
 | 1892 - 462 էջ
...closely resembles the migratory and destructive species of Europe and some other countries than does the Rocky Mountain Locust (Caloptenus spretus), and...think there is little reason to fear any continued and widespread injury from this species. 322 The locusts fonnd further north have consisted of several... | |
 | United States. Department of Agriculture - 1892 - 810 էջ
...migratory and destructive species of Europe and some other countries than the Rocky Mountain locust, and there seems to be no particular reason why at...and fly in vast swarms from one locality to another. The present year, in fact, Messrs. Popenoe and Snow observed them flying southward with such ease,... | |
| |
Caloptenus spretus) and there seems to be no particular reason why, at times, it should not become destructive and fly in vast swarms from one locality to another. So far as past experience justifies calculation, however, it will not do so, and I think... 