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Pollen Beetles

Pollen Beetles PDF Author: A. H. Kirk-Spriggs
Publisher: Twayne Publishers
ISBN: 9780901546807
Category : Beetles
Languages : en
Pages : 164

Book Description


Pollen Beetles

Pollen Beetles PDF Author: A. H. Kirk-Spriggs
Publisher: Twayne Publishers
ISBN: 9780901546807
Category : Beetles
Languages : en
Pages : 164

Book Description


Beetles of the World

Beetles of the World PDF Author: Maxwell V. L. Barclay
Publisher: Princeton University Press
ISBN: 0691240736
Category : Nature
Languages : en
Pages : 240

Book Description
A richly illustrated guide to the astonishing variety of beetles around the world Beetles make up about a quarter of known animal species and are arguably the most diverse group of organisms on Earth: almost 400,000 species have been formally described so far, and it is likely that this number merely scratches the surface. In Beetles of the World, Maxwell Barclay and Patrice Bouchard—two of the world’s foremost beetle experts—celebrate these remarkable creatures in all their variety, from their size and appearance to their ecological importance. Providing concise accounts of all the major families and subfamilies of Coleoptera, Beetles of the World explores beetle anatomy, life cycle, fossil history, feeding habits, role in the food web, habitats, relationship with humans, and classification—as well as the essential part that beetles play in the global ecosystem, and the ways humans can help protect them. Features 300 stunning color photographs Presents family profiles with a distribution map, table of information, and commentary Includes a comprehensive introduction that provides insight into the astonishing diversity of beetles and their histories

Integrated Management of Insect Pests on Canola and Other Brassica Oilseed Crops

Integrated Management of Insect Pests on Canola and Other Brassica Oilseed Crops PDF Author: Gadi V P Reddy
Publisher: CABI
ISBN: 1780648200
Category : Technology & Engineering
Languages : en
Pages : 410

Book Description
This book comprehensively reviews current pest management practices and explores novel integrated pest management strategies in Brassica oilseed crops. It is essential reading for pest management practitioners and researchers working on pest management in canola and other Brassica crops worldwide. Canola, mustard, camelina and crambe are the most important oilseed crops in the world. Canola is the second largest oilseed crop in the world providing 13% of the world's supply. Seeds of these species commonly contain 40% or more oil and produce meals with 35 to 40% protein. However, its production has declined significantly in recent years due to insect pest problems. The canola pest complexes are responsible for high insecticide applications on canola. Many growers rely on calendar-based spraying schedules for insecticide applications. The diamondback moth Plutella xylostella and flea beetles Phyllotreta spp. (P. cruciferae and P. striolata)cause serious damage to canola. In the Northern Great Plains, USA, for instance, P. xylostella is now recorded everywhere that canola is grown. Severe damage to canola plants can be caused by overwintering populations of flea beetles feeding on newly emerged seedlings. Cabbage seed pod weevil (Ceutorhynchus obstrictus), swede midge (Contarinia nasturtii), and tarnished plant bug (Lygus lineolaris) are also severe pests on canola. Minor pests include aphids (cabbage aphid, Brevicoryne brassicae and turnip aphid, Hyadaphis erysimi) and grasshopper, Melanoplus sanguinipes.

OTS.

OTS. PDF Author: United States. Dept. of Commerce. Office of Technical Services
Publisher:
ISBN:
Category :
Languages : en
Pages : 180

Book Description


The Ancient Human Occupation of Britain

The Ancient Human Occupation of Britain PDF Author: Nick Ashton
Publisher: Elsevier
ISBN: 0444535985
Category : Science
Languages : en
Pages : 322

Book Description
The Ancient Human Occupation of Britain Project (AHOB) funded by the Leverhulme Trust began in 2001 and brought together researchers from a range of disciplines with the aim of investigating the record of human presence in Britain from the earliest occupation until the end of the last Ice Age, about 12,000 years ago. Study of changes in climate, landscape and biota over the last million years provides the environmental backdrop to understanding human presence and absence together with the development of new technologies. This book brings together the multidisciplinary work of the project. The chapters present the results of new fieldwork and research on old sites from museum collections using an array of new analytical techniques. - Features an up-to-date treatment of the record of human presence in the British Isles during the Palaeolithic period (700,000 - 10,000 years before present) - Takes multidisciplinary approach that includes archaeology, geochemistry, geochronology, stratigraphy and sedimentology - Coincides with the culmination of the AHOB project in 2010, providing a benchmark statement on the record of human occupation in Britain that can be utilized and tested by future research

American Insects

American Insects PDF Author: Ross H. Arnett, Jr.
Publisher: CRC Press
ISBN: 9780849302121
Category : Science
Languages : en
Pages : 1032

Book Description
Offering a complete accounting of the insects of North America, this handbook is an up-dated edition of the first handbook ever compiled in the history of American entomology. By using American Insects, A Handbook of the Insects of America North of Mexico, Second Edition, readers can quickly determine the taxonomic position of any species, genus, or higher taxon of insect known to occur in America and Canada. Every order, family, and genus is conveniently numbered and indexed, making this volume the only complete single source for all of the names of orders, families, and genera currently available. This book fills the need for an accurate way to identify, with the several hundred drawings and photos, the common insects of all orders. Now there is a tool available to those working without a major collection and library; and those who would like to have a general knowledge of insect life without becoming overwhelmed by the vast number of minute insect species. This usable guide provides sizes, shapes, color patterns and salient features of some species of each major family by pointing out those groups most likely to be encountered, including all North America pests. What's New in this Edition? Researchers in many orders use the results of cladistics, a new tool for determining the relationship of orders, families, genera, and species of organisms, including plants as well as animals Specialists have provided lengthy lists of generic changes Many of the identification keys have been revised by adding more illustrations and making sure all description terms are in the Glossary The bibliographies of each Order section have been updated to include all important works that have appeared since the original edition

The Concept of Ecostacking

The Concept of Ecostacking PDF Author: Jinjun Wang
Publisher: CABI
ISBN: 1789248698
Category : Science
Languages : en
Pages : 290

Book Description
Ecostacking is a new concept and approach which aims to maximize the benefits of ecosystem service providers in cropping systems to help achieve the goal of long-term sustainable agriculture and food production. The term "ecostacking" means combining synergistically the beneficial services of functional biodiversity from all levels and types. It is a comprehensive approach, where the various ecosystem service providers are fully integrated with the rest of the cropping system including agronomic practices. It is an approach which goes beyond conventional Integrated Pest Management practises, and attempts to take advantage of all the functional biodiversity of a system. The Concept of Ecostacking is the first book in a series which introduces ecostacking concepts to the reader and explores how this approach can be used in a variety of ways and in different cropping systems. The book defines this new concept and shows, using illustrative case studies from around the world, how ecostacking principles can be successfully employed in cropping systems in the open field, in greenhouses and in forestry. This book has been written and edited by the world's leading experts in this new and exciting endeavour, and is a must-read for everyone with an interest in developing sustainable crop protection systems and ecosystem management.

Field Pests of Bean in Africa

Field Pests of Bean in Africa PDF Author:
Publisher: CIAT
ISBN:
Category :
Languages : en
Pages : 52

Book Description


Biocontrol-Based Integrated Management of Oilseed Rape Pests

Biocontrol-Based Integrated Management of Oilseed Rape Pests PDF Author: Ingrid H. Williams
Publisher: Springer Science & Business Media
ISBN: 904813983X
Category : Technology & Engineering
Languages : en
Pages : 461

Book Description
Oilseed rape is a major arable crop in both Europe and North America. It is attacked by unique complexes of insect pests still largely controlled through the application of chemical insecticides. Crop management systems for the future must combine sustainability with environmental acceptability to satisfy both social and economic demands. This book, in its 17 chapters each led by a world expert, reviews research progress towards developing integrated pest management systems for the crop that enhance conservation biocontrol. This approach is particularly timely because of the development in Europe of insecticide resistance in the pollen beetle, a major pest of the crop. The past decade has seen considerable progress in our knowledge of the parasitoids and predators that contribute to biocontrol, of their distribution patterns, and their behavioural ecology, both within and without the crop. There is potential for natural enemy conservation through modification of within-field crop husbandry practices, as well as, on the landscape scale, through habitat manipulation to encourage vegetational diversity. This book will prove invaluable as a text for researchers, university teachers, graduate scientists, extension workers and growers involved in integrated pest management.

Pests, Diseases, and Nutritional Disorders of the Common Bean in Africa

Pests, Diseases, and Nutritional Disorders of the Common Bean in Africa PDF Author: D. J. Allen
Publisher: CIAT
ISBN: 9789589439555
Category : Common bean
Languages : en
Pages : 152

Book Description