The Economic Importance Of Insects
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The Economic Importance of Insects
Author | : Dennis S. Hill |
Publsiher | : Springer Science & Business Media |
Total Pages | : 400 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 9789401153485 |
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In the last few decades there has been an ever-increasing component in most BSc Zoology degree courses of cell biology, physiology and genetics, for spectacular developments have taken place in these fields. Some aspects of biotechnology are now also being included. In order to accommodate the new material, the old zoology courses were altered and the traditional two-year basis of systematics of the animal kingdom, comparative anatomy (and physiology) and evolution, was either severely trimmed or reduced and presented in an abridged form under another title. Soon after these course alterations came the swing to modular teaching in the form of a series of shorter, separate courses, some of which were optional. The entire BSc degree course took on a different appearance and several different basic themes became possible. One major result was that in the great majority of cases taxonomy and systematics were no longer taught and biology students graduated without this basic training. We field biologists did appreciate the rising interest in ecology and environ mental studies, but at the same time lamented the shortage of taxonomic skills, so that often field work was based on incorrect identifications. For years many of us with taxonomic inclinations have been bedevilled by the problem of teaching systematics to undergraduates. At a guess, maybe only 5% of students find systematics interesting. It is, however, the very basis of all studies in biology - the correct identification of the organism concerned and its relationships to others in the community.
Heteroptera of Economic Importance
Author | : Carl W. Schaefer,Antonio Ricardo Panizzi |
Publsiher | : CRC Press |
Total Pages | : 856 |
Release | : 2000-07-28 |
Genre | : Science |
ISBN | : 9781420041859 |
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Heteropterans regularly cause a wide variety and large number of problems for humans - at times on a catastrophic scale. The 37,000 described species of this suborder including many pests, disease transmitters, and nuisances exist worldwide, inflicting damage on crops, forests, orchards, and human life. Inspired by the widespread economic impact of
Insects of Economic Importance
Author | : Glenn Washington Herrick |
Publsiher | : Unknown |
Total Pages | : 190 |
Release | : 1920 |
Genre | : Beneficial insects |
ISBN | : MINN:319510004083744 |
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Field Crop Arthropod Pests of Economic Importance
Author | : Peter A. Edde |
Publsiher | : Academic Press |
Total Pages | : 1004 |
Release | : 2021-08-21 |
Genre | : Technology & Engineering |
ISBN | : 9780128196991 |
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Field Crop Arthropod Pests of Economic Importance presents detailed descriptions of the biology and ecology of important arthropod pest of selected global field crops. Standard management options for insect pest control on crops include biological, non-chemical, and chemical approaches. However, because agricultural crops face a wide range of insect pests throughout the year, it can prove difficult to find a simple solution to insect pest control in many, if not most, cropping systems. A whole-farm or integrated pest management approach combines cultural, natural, and chemical controls to maintain insect pest populations below levels that cause economic damage to the crop. This practice requires accurate species identification and thorough knowledge of the biology and ecology of the target organism. Integration and effective use of various control components is often enhanced when the target organism is correctly identified, and its biology and ecology are known. This book provides a key resource toward that identification and understanding. Students and professionals in agronomy, insect detection and survey, and economic entomology will find the book a valuable learning aid and resource tool. Includes insect synonyms, common names, and geographic distribution Provides information on natural enemies Is thoroughly referenced for future research
Insects and Mites of Economic Importance in the Northwest
Author | : Ralph E. Berry,Paul Mooney,Oregon State University. Department of Entomology |
Publsiher | : Unknown |
Total Pages | : 221 |
Release | : 1998 |
Genre | : Beneficial insects |
ISBN | : OCLC:55646625 |
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Insects of Economic Importance
Author | : Glenn Washington Herrick |
Publsiher | : Palala Press |
Total Pages | : 186 |
Release | : 2015-09-20 |
Genre | : Electronic Book |
ISBN | : 1343274095 |
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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Insects of Economic Importance Outlines of Lectures in Economic Entomology
Author | : Glenn Washington 1870- Herrick,Metcalf Collection (North Carolina St |
Publsiher | : Legare Street Press |
Total Pages | : 154 |
Release | : 2021-09-10 |
Genre | : Electronic Book |
ISBN | : 1015075681 |
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This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Insects of Economic Importance Outlines of Lectures in Economic Entomology Classic Reprint
Author | : Glenn W. Herrick |
Publsiher | : Unknown |
Total Pages | : 186 |
Release | : 2015-07-21 |
Genre | : Business & Economics |
ISBN | : 1331955904 |
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Excerpt from Insects of Economic Importance Outlines of Lectures in Economic Entomology Not all insects of economic importance are included in these outlines. To discuss them all, a book of many times the size of this would be needed. However, the principal pests of our main fruits, vegetables, cereals, farm animals, shade-trees, and of the household are discussed. A brief summary of the life habits of each, so far as they are known, is made, and the latest methods of control are outlined. In addition, a concise discussion of insecticides is given together with formulae and directions for making and applying them. Finally, references are given to the more important sources of information regarding the insects and their control. As far as possible, references are made to bulletins available to the general student and to those publications giving good illustrations of the insects, together with the most approved methods of control. It is neither possible nor desirable to give references to all the literature on any one insect pest but additional references to the later literature as it appears from time to time will be cited during the course. 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.