Revision of the Orthopteran Group Melanopli (Acridiidae)
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| Stand: | 2015-08-04 03:50:33 |
Produktbeschreibung
Excerpt from Revision of the Orthopteran Group Melanopli (Acridiidae): With Special Reference to North American Forms The Present Essay describes iii detail and discusses the classification of a group of grasshoppers which forms the prevailing type of orthopteran life throughout North America - the common short-horned grasshoppers one sees every summer day. Its best known representative to the world at large is the destructive migratory locust of the West, the so called "Rocky Mountain Locust." The outbreak of this insect has been at times extremely disastrous; so much so that a Government commission was for several years in existence, which published nearly twenty years ago two voluminous reports in which it and one or two of its immediate allies were studied with a minuteness and thoroughness, and illustrated with a fullness very rarely given to any such insignificant looking creature. This destructive insect has numerous closely related allies in all parts of the United States, many of which often abound to such an extent as to do serious damage to crops, and a few of them have been known to migrate in similar fashion (though over a far more restricted area), so that they have sometimes been mistaken by the uninstructed for that destructive pest. The group is almost confined to North America, and a great many species have been described by various writers in a more or less desultory manner. It is the aim of the present paper to enlarge and systematize our knowledge of this important group as a basis for future studies. No group of North American Orthoptera has been in greater need of revision. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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