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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.
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.
This fully revised and updated second edition of Insect Pests of Potato now includes an opening section with a basic overview of agronomic and economic issues as they relate to potato production. It also features a new section that reviews potato production, as well as problems caused by insect pests and solutions to these problems, in all major potato-growing regions of the world. Further, a new section discusses theoretical foundations of potato pest management and includes chapters on ecological theory, evolutionary theory, and a case study on their applications to elucidate differences between Eastern and Western populations of Colorado potato beetle in North America. There is also a new chapter on the foundations of integrated pest management and their applications in controlling insect pests. The sections on the biology of main pests and on control methods now feature the latest information, including emphasis on recent advances in molecular biology and genomics. Information on the use of dsRNA technology for pest control is also included, as are new chapters on potato ladybirds and on hemipterous pests other than aphids and psyllids. This second edition provides improved integration and logical connections among chapters and expanded geographic scope of coverage making it the ideal reference on the topic. Fully revised and updated with new sections on potato-growing regions and theoretical foundations of potato pest management using ecological theory, evolutionary theory and relevant case study insights Contains improved integration and logical connections among chapters, expanded geographic scope of coverage, and scientific advances Emphasizes recent advances in molecular biology and genomics, including the use of dsRNA technology for pest control
A comprehensive work covering the about 100,000 species of Coleoptera known to occur in the Palaearctic Region. The complete work is planned for 8 volumes that will be published in intervals of about 18 months.
Dieses Buch ist der zweite von vier Bänden der Reihe "Handbuch der Zoologie", die die Systematik, Morphologie und Biologie der Coleoptera behandeln. Die Bände beantworten alle Fragen zu Phylogenese, Evolution und Ökologie der Coleoptera. Der zweite Band umfasst die Unterordnungen Elateroidea, Bostrichiformia und Cucujiformia zum Teil. Er informiert über weltweite Verbreitung, Biologie, Morphologie aller Lebensabschnitte (einschließlich Anatomie) und Phylogenese und liefert Erläuterungen zur Taxonomie. Die morphologischen Abhandlungen sind besonders detailliert illustriert und enthalten SEM-Bilder, Zeichnungen und Habitus-Darstellungen.
This guide provides the first comprehensive summary of the land mollusk fauna (slugs and snails) for Montana. It includes a checklist of species, separate keys for slugs and snails, and individual species accounts. Species accounts include a distribution map, a photograph when available, and text on physical appearance, distribution, habitat, conservation status, remarks, and selected references. A glossary of terms used in the keys and species accounts appears after the species accounts, along with a list of references cited in the body, and three appendices; the first appendix is a guide to Conservation Status, the second a table of habitat associations for all Montana species, and the third a copy of a field survey form. Following the brief Introduction are sections discussing the composition of the Montana mollusk fauna with a comparison to adjacent regions, a brief overview of the ecological significance of land mollusks, and remarks on how to study mollusks with suggestions for conducting surveys. The extant Montana fauna includes 16 species of slugs and 62 species of land snails. Of these, 7 slugs and 3 snails are introduced species (exotics), leaving 68 species (9 slugs and 59 snails) native to Montana. Eight native slugs and 15 native land snails are Montana Species of Concern (SOC); 5 SOC snails are endemic (globally restricted) to Montana. Species richness of Montana land mollusks is higher west of the Continental Divide. Eight native slugs (all of the SOC slugs) are found only west of the Divide, the ninth native slug occurring statewide. Of the native snails, 20 occur only west of the Divide, 17 only east of the Divide, and 22 on both sides of the Divide. The documented native mollusk fauna thus includes 42 species west of the Continental Divide and 39 species east of the Divide. Of the 15 SOC snails; 8 are present only west of the Divide, 4 only east of the Divide, and 3 on both sides of the Divide.