A Revision of the North American Species of Buprestid Beetles Belonging to the Genus Agrilus (Classic Reprint)
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| Partner: | buecher.de |
| Hersteller: | Forgotten Books (Fisher, W. S.) |
| Stand: | 2015-08-04 03:50:33 |
Produktbeschreibung
Excerpt from A Revision of the North American Species of Buprestid Beetles Belonging to the Genus Agrilus The present paper is the result, of several years´ study of the genus Agrilus, and comprises all of the species found in the mainland of America north of Mexico. The task of revising the genus was undertaken because the group is an important one economically, and at the same time has been badly confused. Owing to the extreme variability of the species, erroneous identifications have been many, and the published distribution and host records are in a considerable part incorrect. Fortunately, the collection of the United States National Museum, upon which this work is largely based, is rich in reared series of many of the species. This has helped immeasurably in the selection of characters which will be useful for the separation of the species. The types have been examined of all the described species except those which have been lost or arc deposited in European collections. One hundred and seventeen species and 8 subspecies or varieties arc treated in this paper, of which 27 species and 2 subspecies are described as new. One fossil species and 5 other species which are either unknown or belong to other genera arc omitted from the key, but these species are briefly treated at the end of the paper. 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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