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A Natural History of Ladybird Beetles (Hardcover): Michael Majerus A Natural History of Ladybird Beetles (Hardcover)
Michael Majerus; Edited by Helen Roy, Peter Brown
R1,370 Discovery Miles 13 700 Ships in 10 - 15 working days

The Coccinellidae are a family of beetles, known variously as ladybirds or ladybugs. In Britain alone, some 46 species belong to the Coccinellidae family, although only 26 of these are recognisably ladybirds. Composed largely of Professor Michael Majerus' lifetime work, and updated by two leading experts in the field, this book reveals intriguing insights into ladybird biology from a global perspective. The popularity of this insect group has been captured through societal and cultural considerations, coupled with detailed descriptions of complex scientific processes, to provide a comprehensive and accessible overview of these charismatic insects. Bringing together many studies on ladybirds, this book has been organised into themes, ranging from anatomy and physiology to ecology and evolution. This book is suitable for interested amateur enthusiasts, and researchers involved with ladybirds, entomology and biological control.

Field Guide to Invasive Plants and Animals in Britain (Paperback): Olaf Booy, Max Wade, Helen Roy Field Guide to Invasive Plants and Animals in Britain (Paperback)
Olaf Booy, Max Wade, Helen Roy 1
R699 R538 Discovery Miles 5 380 Save R161 (23%) Ships in 10 - 15 working days

The impact of invasive organisms is second only to habitat loss as a threat to biodiversity and yet, despite increasing ecological awareness, people remain largely unaware of these plants and animals and their potentially devastating impact. Although most biological introductions fail, many prove successful and these can prove disastrous for native fauna and flora. This field guide will enable the identification of a range of invasive plants and animals now found in Britain. Though these species are of particular concern to conservationists there has previously been no unified guide devoted to their recognition. This book will act both as an ID guide, appealing to the amateur naturalist, and as an important tool for ecologists and land managers attempting to tackle the problem posed by invasive species.

Guide to Ladybirds of the British Isles (Wallchart): Michael Majerus, Helen Roy, Peter Brown, Remy Ware Guide to Ladybirds of the British Isles (Wallchart)
Michael Majerus, Helen Roy, Peter Brown, Remy Ware; Illustrated by Chris Shields
R108 Discovery Miles 1 080 Ships in 10 - 15 working days
Field Guide to the Ladybirds of Great Britain and Ireland (Paperback): Helen Roy, Peter Brown Field Guide to the Ladybirds of Great Britain and Ireland (Paperback)
Helen Roy, Peter Brown; Illustrated by Richard Lewington 1
R685 R523 Discovery Miles 5 230 Save R162 (24%) Ships in 10 - 15 working days

"A ground-breaking identification guide ... the perfect marriage of artistic excellence, deep knowledge and, dare I say it, of scientists' genuine affection." BRETT WESTWOOD This brand new illustrated field guide covers all 47 species of ladybird occurring in the British Isles in a handy and easy-to-use format. Twenty-seven species are colourful and conspicuous and easily recognised as ladybirds; the remaining species are more challenging, but the clear illustrations and up-to-date text in this guide will help to break down the identification barriers. A useful introduction provides an overview of ladybird ecology, tips on studying and recording, and suggested sites for finding ladybirds. The main part of the book comprises detailed species texts, covering field characters, food, habitats, suggested survey methods, ranges, conservation statuses and distribution trends. An illustrated at-a-glance identification guide and helpful pointers for differentiating similar-looking species are also included. With 102 colour photographs and 47 distribution maps, combined with Richard Lewington's peerless artwork, this is the definitive guide to one of our most cherished and charismatic insect groups.

Invasive Alien Arthropod Predators and Parasitoids: An Ecological Approach (Hardcover, 2012 ed.): Helen Roy, Patrick Declercq,... Invasive Alien Arthropod Predators and Parasitoids: An Ecological Approach (Hardcover, 2012 ed.)
Helen Roy, Patrick Declercq, Lori-Jayne Lawson Handley, John J. Sloggett, Remy Poland, …
R4,562 R3,543 Discovery Miles 35 430 Save R1,019 (22%) Ships in 10 - 15 working days

Invasive alien species (IAS) coupled with climate change have been referred to as a "deadly duo." Until recently research on invasion biology has centred mainly on alien plants and vertebrates, despite the numerical dominance of invasive alien arthropods. Arthropods are the largest group of IAS worldwide. However, many alien arthropods are not invasive and play a beneficial role, particularly in controlling insect and mite pests. Indeed, more than 1500 terrestrial arthropod species have been identified as alien to Europe but only a fraction has been shown to cause either an ecological or economical impact, yet knowledge is severely limited by a paucity of data. The IOBC / WPRS Working Group "Benefits and Risks of Exotic Biological Control Agents" developed the theme of this book to begin to address the limitations in understanding of this important research area. Understanding invasion biology, and the dynamics of biological control practices, requires a multidisciplinary and unified approach, embracing and integrating all the research tools at our disposal, particularly modern molecular and modelling techniques. This book represents a timely synthesis of current ecological knowledge and research on alien arthropod predators and parasitoids.

Guide to the Ladybird Larvae of the British Isles (Fold-out book or chart): Peter Brown, Helen Roy, Richard F. Comont, Remy... Guide to the Ladybird Larvae of the British Isles (Fold-out book or chart)
Peter Brown, Helen Roy, Richard F. Comont, Remy Poland; Illustrated by Chris Shields
R118 Discovery Miles 1 180 Out of stock
Invasive Alien Arthropod Predators and Parasitoids: An Ecological Approach (Paperback, 2012): Helen Roy, Patrick Declercq,... Invasive Alien Arthropod Predators and Parasitoids: An Ecological Approach (Paperback, 2012)
Helen Roy, Patrick Declercq, Lori-Jayne Lawson Handley, John J. Sloggett, Remy Poland, …
R3,233 R3,069 Discovery Miles 30 690 Save R164 (5%) Out of stock

Understanding invasion biology, and the dynamics of biological control practices, requires a multidisciplinary approach, embracing and integrating all the research tools at our disposal, particularly modern molecular and modelling techniques. This book provides a comprehensive and current overview of invasive alien arthropod predators and parasitoids through 20 chapters, contributed by 69 internationally renowned scientists (previously published as peer-reviewed papers in BioControl - August 2011), ranging from broad reviews of key topics on invasive alien species (IAS) to taxon-specific chapters. The context of invasion biology is given through nine chapters focusing on current themes but highlighting future directions and knowledge gaps. Concepts are explored in detail through ten chapters focusing on a taxonomically diverse range of arthropods. The concluding chapter presents an objective approach to considering the benefits and risks of exotic biological control agents.

Field Guide to the Ladybirds of Great Britain and Ireland (Hardcover): Helen Roy, Peter Brown Field Guide to the Ladybirds of Great Britain and Ireland (Hardcover)
Helen Roy, Peter Brown; Illustrated by Richard Lewington 1
R1,352 R1,177 Discovery Miles 11 770 Save R175 (13%) Out of stock

"A ground-breaking identification guide ... the perfect marriage of artistic excellence, deep knowledge and, dare I say it, of scientists' genuine affection." BRETT WESTWOOD This brand new illustrated field guide covers all 47 species of ladybird occurring in the British Isles in a handy and easy-to-use format. Twenty-seven species are colourful and conspicuous and easily recognised as ladybirds; the remaining species are more challenging, but the clear illustrations and up-to-date text in this guide will help to break down the identification barriers. A useful introduction provides an overview of ladybird ecology, tips on studying and recording, and suggested sites for finding ladybirds. The main part of the book comprises detailed species texts, covering field characters, food, habitats, suggested survey methods, ranges, conservation statuses and distribution trends. An illustrated at-a-glance identification guide and helpful pointers for differentiating similar-looking species are also included. With 102 colour photographs and 47 distribution maps, combined with Richard Lewington's peerless artwork, this is the definitive guide to one of our most cherished and charismatic insect groups.

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