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Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences > Invertebrates > Insects (entomology)

Insect Diapause (Hardcover): David L. Denlinger Insect Diapause (Hardcover)
David L. Denlinger
R1,260 R1,095 Discovery Miles 10 950 Save R165 (13%) Ships in 5 - 10 working days

Our highly seasonal world restricts insect activity to brief portions of the year. This feature necessitates a sophisticated interpretation of seasonal changes and enactment of mechanisms for bringing development to a halt and then reinitiating it when the inimical season is past. The dormant state of diapause serves to bridge the unfavourable seasons, and its timing provides a powerful mechanism for synchronizing insect development. This book explores how seasonal signals are monitored and used by insects to enact specific molecular pathways that generate the diapause phenotype. The broad perspective offered here scales from the ecological to the molecular and thus provides a comprehensive view of this exciting and vibrant research field, offering insights on topics ranging from pest management, evolution, speciation, climate change and disease transmission, to human health, as well as analogies with other forms of invertebrate dormancy and mammalian hibernation.

Food Exploitation By Social Insects - Ecological, Behavioral, and Theoretical Approaches (Paperback): Stefan Jarau, Michael... Food Exploitation By Social Insects - Ecological, Behavioral, and Theoretical Approaches (Paperback)
Stefan Jarau, Michael Hrncir
R2,049 Discovery Miles 20 490 Ships in 10 - 15 working days

Omnipresent in virtually all terrestrial ecosystems and of undisputed ecological and economical importance, the study of social insects is an area that continues to attract a vast number of researchers. As a consequence, a huge amount of information about their biology and ecology has accumulated. Distilling this scattered information into a highly focused reference, Food Exploitation by Social Insects: Ecological, Behavioral, and Theoretical Approaches unites traditional behavioral and ecological studies with theoretical and mathematical models. The book covers foraging ecology and behavior of social insects, their communication mechanisms, and theoretical models of important aspects. It examines two different but inseparably interlaced levels of social insect foraging: the macroscopic or colony level and the microscopic or individual level. The chapters include discussions of foraging decisions, patterns and strategies of social insect colonies, and information use and information transfer between workers. The book provides examples of how this biological knowledge can be used as a basis for the construction of mathematical and neural network models that in return may increase understanding of social insect foraging. The contributors provide a fresh look on their topics, covering a wide range of subjects and recent scientific developments that are unprecedented in breadth and depth. The coverage of ants, bees, and wasps in one resource is a unique feature of the book. This taxonomic content combined with the variety of research approaches, allows the book to provide deeper insight into the subject.

Fruit Flies of Economic Significance - Their Identification and Bionomics (Paperback): Ian White, Marlene Elson-Harris Fruit Flies of Economic Significance - Their Identification and Bionomics (Paperback)
Ian White, Marlene Elson-Harris
R2,997 Discovery Miles 29 970 Ships in 10 - 15 working days

This book presents biosystematic information on fruit flies of the world that are of economic importance, and includes host data for about 250 species, as well as illustrated keys to adults, distribution data and recent references for over 100 of these species. In addition there is extensive
coverage of larval stages, with the inclusion of keys separating the final instar larvae of over 60 species and detailed new descriptions of 34 of these species. As a whole, the book is a comprehensive identification guide to fruit fly pests across many temperate regions and will be invaluable to
entomologists and pest control specialists.

Field Guide To The Dragonflies of Britain and Europe (Paperback, 2nd Revised Edition): K-D Dijkstra, Asmus Schröter Field Guide To The Dragonflies of Britain and Europe (Paperback, 2nd Revised Edition)
K-D Dijkstra, Asmus Schröter; Illustrated by Richard Lewington
R643 Discovery Miles 6 430 Ships in 10 - 15 working days

The first edition of the Field Guide to the Dragonflies of Britain and Europe was a ground-breaking identification guide that led to an increase in Odonata recording across Europe. The second edition includes fully revised regional guides and identification texts, updated distribution maps and conservation statuses, illustrated accounts for five species that have been discovered in the region since the first edition, updated checklists and taxonomy, new photographs throughout, as well as an introduction to larvae identification. Each species is lavishly illustrated with artworks of males, females and variations, as well as close-ups of important characters.

Green Pesticides Handbook - Essential Oils for Pest Control (Paperback): Leo M.L. Nollet, Hamir Singh Rathore Green Pesticides Handbook - Essential Oils for Pest Control (Paperback)
Leo M.L. Nollet, Hamir Singh Rathore
R2,838 Discovery Miles 28 380 Ships in 10 - 15 working days

Green pesticides, also called ecological pesticides, are pesticides derived from organic sources which are considered environmentally friendly and are causing less harm to human and animal health and to habitats and the ecosystem. Essential oils based insecticides started have amazing features. This book gives a full spectrum of the whole range of essential oil based pesticides that may be used in pest control. It discusses the uses and limitations, including the recent advances in this area. It describes the metabolism and mode of action, and provides the present status of essential oil based pesticide residues in foodstuffs, soil and water.

Area-Wide Management of Fruit Fly Pests (Hardcover): Pablo Montoya, Diana Perez-Staples, Francisco Diaz-Fleischer, Maria Vera Area-Wide Management of Fruit Fly Pests (Hardcover)
Pablo Montoya, Diana Perez-Staples, Francisco Diaz-Fleischer, Maria Vera
R4,667 Discovery Miles 46 670 Ships in 10 - 15 working days

Fruit fly (Diptera: Tephritidae) pests have a profound impact on horticultural production and economy of many countries. It is fundamental to understand their biology and evaluate methods for their suppression, containment, or eradication. Area-Wide Management of Fruit Fly Pests comprises contributions from scientists from around the world on several species of tephritids working on diverse subjects with a focus on area-wide management of these pests. The first three sections of the book explore aspects of the biology, ecology, physiology, behavior, taxonomy, and morphology of fruit flies. The next two sections provide evidence on the efficacy of attractants, risk assessment, quarantine, and post-harvest control methods. The fifth and sixth sections examine biological control methods such as the Sterile Insect Technique and the use of natural enemies of fruit flies. The seventh section focuses on area-wide integrated pest management and action programs. Finally, the eighth section examines social, economic, and policy issues of action programs aimed at involving the wider community in the control of these pests and facilitate the development of control programs. Features: Presents information on the biology of tephritid flies. Provides knowledge on the use of natural enemies of fruit flies for their biological control. Includes research results on models and diets used for the Sterile Insect Technique. Reports developments on the chemical ecology of fruit flies that contribute to make control methods more specific and efficient. Reviews subjects such as Holistic Pest Management and Area-Wide Management Programs including social, economic, and policy issues in various countries. The Open Access version of this book, available at https://www.taylorfrancis.com/books/9780429355738, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license.

Forensic Entomology - The Utility of Arthropods in Legal Investigations, Third Edition (Paperback, 3rd edition): Jason H. Byrd,... Forensic Entomology - The Utility of Arthropods in Legal Investigations, Third Edition (Paperback, 3rd edition)
Jason H. Byrd, Jeffery K. Tomberlin
R2,793 Discovery Miles 27 930 Ships in 9 - 17 working days

Forensic Entomology: The Utility of Arthropods in Legal Investigations, Third Edition continues in the tradition of the two best-selling prior editions and maintains its status as the single-most comprehensive book on Forensic Entomology currently available. It includes current, in-the-field best practices contributed by top professionals in the field who have advanced it through research and fieldwork over the last several decades. The use of entomology in crime scene and forensic investigations has never been more prevalent or useful given the work that can be done with entomological evidence. The book recounts briefly the many documented historical applications of forensic entomology over several thousand years. Chapters examine the biological foundations of insect biology and scientific underpinnings of forensic entomology, the principles that govern utilizing insects in legal and criminal investigations. The field today is diverse, both in topics studied, researched and practiced, as is the field of professionals that has expanded throughout the world to become a vital forensic sub-discipline. Forensic Entomology, Third Edition celebrates this diversity by including several new chapters by premier experts in the field that covers such emerging topics as wildlife forensic entomology, microbiomes, urban forensic entomology, and larval insect identification, many of which are covered in depth for the first time. The book will be an invaluable reference for investigators, legal professionals, researchers, practicing and aspiring forensic entomologists, and for the many students enrolled in forensic science and entomology university programs.

Natural History of Insects (Paperback): Martin Walters Natural History of Insects (Paperback)
Martin Walters
R244 R225 Discovery Miles 2 250 Save R19 (8%) Ships in 9 - 17 working days

This title offers a guide to the world of arthropods, covering many insect orders, including beetles, flies, stick insects, dragonflies, ants and wasps, as well as microscopic creatures. It provides a fascinating overview of insects and spiders, including their habitats and classification, all shown in over 195 beautiful photographs and illustrations. All aspects of insect life are covered, such as the way insects defend themselves and how they are able to jump, leap and fly. It describes cryptic coloration, and the way insects can use camouflage to blend into their background and escape attack from predators. It offers various methods of feeding are discussed, from biting and chewing to lapping, sucking, piercing and filter feeding, according to their different mouthparts. It outlines their useful role in pollination of crops, production of honey, and removing insect pests. In the arthropoda phylum, insects are one of the most successful species, and spiders are one of the largest groups. This book studies how they organize their lives. The first section provides information of every aspect of insect life: evolution, anatomy, life cycles, flight and social organization. The last section describes the 30 orders within the class Insecta, demonstrating the huge variety of insects, from microscopic creatures to giant stick insects and large beetles. Typical features of insects in each order are highlighted. With expert text, illustrations and clear photographs, this guide will be enjoyed by all who take an interest in natural history.

Biological Control in Plant Protection - A Colour Handbook, Second Edition (Hardcover, 2nd edition): Neil Helyer, Nigel D.... Biological Control in Plant Protection - A Colour Handbook, Second Edition (Hardcover, 2nd edition)
Neil Helyer, Nigel D. Cattlin, Kevin C Brown
R5,506 Discovery Miles 55 060 Ships in 10 - 15 working days

There has been a large increase in the commercial use of integrated crop/pest management methods for pest and disease control on a wide range of crops throughout the world since the first edition of this book. The completely revised second edition of the bestselling Biological Control in Plant Protection: A Color Handbook continues the objective of providing a handbook with profiles and full-color photographs of as many examples of biological control organisms from as wide a global area as possible. It is designed to help readers anticipate and recognize specific problems of pest management and then resolve them using the natural enemies of pests-parasites, predators, and pathogens. The authors first describe the impact of predator-prey relationships on host plant species in arable, orchard, and protected environments. The main sections of the book include profiles of pests, beneficial arthropods (insects and mites), and beneficial pathogens (bacteria, fungi, viruses, and nematodes), featuring a tabular pest identification guide. Descriptions of biocontrol organisms are divided into four sections: species characteristics, lifecycle, crop/pest associations, and influences of growing practices. The text is illustrated throughout with color photographs of the highest quality. This revised edition helps readers more fully understand the concepts and practice of biological control and integrated pest management. All chapters have been updated and expanded, and more than 300 new photographs have been added. The second edition covers new beneficial organisms and pest profiles, and it includes a new chapter on the practical aspects and application of biological control. It also contains a new final chapter that puts biological control in perspective, discussing interactions that occur when using biocontrol for population management as well as some of the possible mechanisms of biocontrol.

Nuevas observaciones sobre las abejas de Francois Huber (Spanish, Hardcover): Francois Huber Nuevas observaciones sobre las abejas de Francois Huber (Spanish, Hardcover)
Francois Huber; Contributions by Michael Bush; Translated by Michelle Carrera-Hutchins
R1,709 R1,400 Discovery Miles 14 000 Save R309 (18%) Ships in 10 - 15 working days
British and Irish Moths: Third Edition - A Photographic Guide (Hardcover, 3rd edition): Chris Manley British and Irish Moths: Third Edition - A Photographic Guide (Hardcover, 3rd edition)
Chris Manley
R1,096 Discovery Miles 10 960 Ships in 10 - 15 working days

A stunning new edition of the best-selling photographic guide to the moths of the British Isles – now covering all British species. British and Irish Moths is the most comprehensive collection of photographs of British moths ever published. It covers both macro and micro species, and almost all the images are all of living insects, taken in natural conditions. Concise text descriptions cover wingspan, status and distribution, flight period, habitat and larval foodplants, while thumbnail maps provide a quick overview of geographical distributions. This third edition has been significantly expanded so that it includes all species on the British list, approximately 2,500 in total, representing a magnificent achievement by the author, Chris Manley. It also includes updates to the text, improvements to the photographic selection, and extra identification hints. For the leaf-mining micros, photographs are included to demonstrate the all-important feeding signs that can often be a more reliable identification method than seeing the adult. This revised and now comprehensive edition is an essential part of the library of any moth enthusiast.

Integrated Management of Insects in Stored Products (Paperback): Bhadriraju Subramanyam Integrated Management of Insects in Stored Products (Paperback)
Bhadriraju Subramanyam
R2,059 Discovery Miles 20 590 Ships in 10 - 15 working days

This work offers a comprehensive presentation of the identification, biology, ecology and sampling of insect pests in stored foods, and provides a balanced ciew of the biological, physical and chemical control methods used in pest management. It furnishes step-by-step procedures for creating individually tailored integrated pest management programmes. Every available method of control is covered.

Biology and Management of Bactrocera and Related Fruit Flies (Hardcover): Anthony R. Clarke Biology and Management of Bactrocera and Related Fruit Flies (Hardcover)
Anthony R. Clarke
R2,327 Discovery Miles 23 270 Ships in 10 - 15 working days

Throughout Asia, Australia and the Pacific, and increasingly in Africa, the primary horticultural insect pests are fruit flies belonging to the genera Bactrocera, Zeugodacus and Dacus (Diptera: Tephritidae: Dacini). The Dacini is a hugely diverse clade of nearly 900 species endemic to the rainforests of Asia, Australia and the western Pacific, and the savannas and woodlands of Africa. All these species lay their eggs into fleshy fruits and vegetables, where the maggots feed, therefore destroying the fruit. In addition to being crop pests, dacines are also invasive pests of major quarantine importance and their presence in production areas can significantly impact market access opportunities. This broad text provides a rapid introduction to this economically and ecologically important group, which includes species such as the Oriental fruit fly (B. dorsalis), Melon fly (Z. cucurbitae), Queensland fruit fly (B. tryoni) and the Olive fly (B. oleae). Broken into three primary sections, it first explores the evolutionary history, systematic relationships, taxonomy and species-level diagnosis of the Dacini flies. The following biology section covers their life history, population demography, behaviour and ecology, and natural enemies. The final section of the book covers the management of these flies, with chapters on pre-harvest, post-harvest and regulatory controls. Each chapter concludes with a list of key monographs, papers or book chapters for further reading. This book will be of interest to field entomologists, extension officers, quarantine officers and market access negotiators, as well as students of applied entomology and pest management.

Biology of Mosquitoes, Volume 2 - Sensory Reception and Behaviour (Hardcover): Alan Clements Biology of Mosquitoes, Volume 2 - Sensory Reception and Behaviour (Hardcover)
Alan Clements
R4,761 Discovery Miles 47 610 Ships in 10 - 15 working days

Mosquitoes are important as transmitters of widespread major diseases and as nuisance insects. They are also one of the most studied and well-known group of insects, both in the laboratory and in the field. The first volume in "The Biology of Mosquitoes" series is a key reference work and has received excellent reviews. This second title in the three volume series focuses on the functioning of the mosquito sense organs that provide them with information about the environment and that enable the adult females to find and attack their vertebrate hosts. It also reviews knowledge of the circadian rhythms and other internal mechanisms that regulate the onset and timing of different behaviors. This integrated review of the sensory mechanisms and behavior of mosquitoes provides a unique insight into their biology. The contents, which are fully up-to-date, include much important work from the past which is often overlooked.

Prospects for Biological Control of Plant Feeding Mites and Other Harmful Organisms (Paperback, Softcover reprint of the... Prospects for Biological Control of Plant Feeding Mites and Other Harmful Organisms (Paperback, Softcover reprint of the original 1st ed. 2015)
Daniel Carrillo, Gilberto José de Moraes, Jorge E. Peña
R3,515 Discovery Miles 35 150 Ships in 18 - 22 working days

The history of biological control of harmful organisms by mites is marked by outstanding achievements with a few premiere natural enemies. Early works concentrated on the use of predatory mites for the control of synanthropic flies, More recently, the focus has been mostly on mites of the family Phytoseiidae for the control of plant feeding mites. This is an important family of acarine predators of plant pest mites, which are effectively used in agriculture worldwide. Besides the vast knowledge in several species in this family, there are as well many opportunities for biological control, represented in an array of organisms and through the improvement of management techniques, which are constantly explored by researchers worldwide. This has resulted in an increasing interest in predatory mite species within the families Stigmaeidae, Ascidae, Laelapidae, Rhodacaroidea, Macrochelidae, Erythraeidae and Cheyletidae, among others. This book will compile important developments with predatory mite species within these families, which are emerging as important tools for integrated pest management. New developments with predatory insects and pathogenic organisms attacking mites will also be a subject of this book. Finally, the potential and gaps in knowledge in biological control of acarine plant pests will be addressed.

All the Insects in the World (Hardcover): David Opie All the Insects in the World (Hardcover)
David Opie; Illustrated by David Opie
R425 R381 Discovery Miles 3 810 Save R44 (10%) Ships in 18 - 22 working days
The Soils of the Philippines (Paperback, Softcover reprint of the original 1st ed. 2014): Rodelio B. Carating, Raymundo G.... The Soils of the Philippines (Paperback, Softcover reprint of the original 1st ed. 2014)
Rodelio B. Carating, Raymundo G. Galanta, Clarita D. Bacatio
R5,549 Discovery Miles 55 490 Ships in 18 - 22 working days

The first soil survey in the Philippines was done by Mr. Clarence Dorsey, an American soil scientist in the province of Batangas in 1903. The Soils of the Philippines, however, is the first comprehensive summary of more than a century of soil-survey work in this country. It integrates the soil concepts of the reconnaissance soil-survey results, which commenced as early as 1934 and continued until the mid 1960s, with the semi-detailed soil surveys that continue to this day. The result is the first-ever genetic key for classifying Philippine soils at soil series level; thus, making it possible for any newcomers to the soil survey field to confidently produce their own soil map, at a more detailed map scale, to suit the project requirements. This book brings together discussions on soils and soil mapping units and up-to-date international techniques and technologies. It makes soils relevant to current political realities and national issues. As soil survey moves from a reductionist agricultural-development planning tool to a more holistic and integrated approach, to enable us to understand our dynamic and complex environment, The Soils of the Philippines will be the only source of authoritative and updated data on soil resources for macro-level resource management planning for decades to come. With a vanishing breed of experienced soil surveyors, not only in the Philippines but also worldwide, it may remain the only book on Philippine soils for the next hundred years or more. Since soils follow a geological and not a human time frame, the contents of this volume will stay relevant for soil surveyors even in a fast changing world. As the country leaps from an agricultural economy towards modernization and a more diversified economic base, some of the soil series in the Philippines, for example the Guadalupe series underlying the skyscrapers of Makati City, are becoming extinct as a result of urban development. Therefore, this book serves as the repository for the soils that we possess, the soils that have been lost through decades of urbanization while, at the same time, it creates a soil classification system for the soils we are yet to discover.

Trapping and the Detection, Control, and Regulation of Tephritid Fruit Flies - Lures, Area-Wide Programs, and Trade... Trapping and the Detection, Control, and Regulation of Tephritid Fruit Flies - Lures, Area-Wide Programs, and Trade Implications (Paperback, Softcover reprint of the original 1st ed. 2014)
Todd Shelly, Nancy Epsky, Eric B. Jang, Jesus Reyes-Flores, Roger Vargas
R5,698 Discovery Miles 56 980 Ships in 18 - 22 working days

The book focuses on four broad topics related to trapping of agriculturally important tephritid fruit flies, namely i) lures and traps, ii) invasion biology and detection of infestations, iii) attract and kill systems, and iv) trade regulations and risk assessment. This comprehensive structure progresses from the biological interaction between insect and lures/traps to the area-wide use of trapping systems to the utilization and impact of trapping data on international trade. The chapters include accounts of earlier research but are not simply compendia and instead evaluate past and current work as a tool for critical analysis and proposal of productive avenues for future work. At present there is no book available that deals with fruit fly trapping in such a broad context. Our book fills this gap and serves as a global reference for both those interested in fruit flies specifically as well as anyone dealing with the threat of invasive agricultural insects in general.

Pediatric Cancer, Volume 4 - Diagnosis, Therapy, and Prognosis (Paperback, Softcover reprint of the original 1st ed. 2013): M.... Pediatric Cancer, Volume 4 - Diagnosis, Therapy, and Prognosis (Paperback, Softcover reprint of the original 1st ed. 2013)
M. A. Hayat
R6,364 Discovery Miles 63 640 Ships in 18 - 22 working days

This entry in the series Pediatric Cancer offers comprehensive information on a variety of cancers, concentrating on brain tumors, the most common solid tumors and the leading cause of cancer-related mortality in children. The contents are organized in seven sections: Neuroblastoma, Medulloblastoma, Leukemia, Lymphoma, Rhabdoid, Sarcoma and Miscellaneous Tumors. Coverage includes pediatric medulloblastoma, and treatments including craniospinal radiation followed by adjuvant chemotherapy. The contributors explain diagnosis and chemotherapy of children with acute lymphoblastic leukemia, and diagnosis of bone marrow involvement in pediatric lymphoma patients. Ewing's sarcoma, a highly malignant connective tissue neoplasm formed by the proliferation of mesenchymal cells, receives extensive coverage, including targeting of molecular pathways and chemotherapy and surgical treatment. The roles of apoptotic genes, MYCN gene, MDM2, and SNP309, P13K inhibitors, alternative splicing and microRNAs, activated leukocyte cell adhesion molecule and inhibition by alu-like RNA in neuroblastoma are discussed in detail. The book explores the molecular genetics, diagnosis, prognosis and therapy of the atypical teratoid/rhabdoid tumor (AT/RT). Among the most common malignant neoplasms in children, AT/RT exhibits similarities with other CNS tumors, which can lead to misclassification, as pointed out in the book. The contributors discuss diagnosis of AT/RT type using imaging technology, and describe new strategies, including intensive multimodal therapy and high dose chemotherapy with autologous stem cell transplantation that have shown improved outcomes. Coverage of therapies includes total resection followed by aggressive chemotherapy and radiation. Discussion includes diagnosis and treatment of other pediatric tumors including adrenocortical tumors, supratentorial primitive neuroectodermal tumors, giant midline tumors, gastrointestinal stromal tumors, ependymomas and intramedullary cavernoma. Pediatric Cancer: Diagnosis, Therapy and Prognosis, Volume 4 includes contributions by ninety-one contributors - oncologists, neurosurgeons, physicians, research scientists and pathologists - representing thirteen countries. The editor, M.A. Hayat, is a Distinguished Professor in the Department of Biological Sciences at Kean University, Union, New Jersey, USA.

Arthropod Biology and Evolution - Molecules, Development, Morphology (Paperback, Softcover reprint of the original 1st ed.... Arthropod Biology and Evolution - Molecules, Development, Morphology (Paperback, Softcover reprint of the original 1st ed. 2013)
Alessandro Minelli, Geoffrey Boxshall, Giuseppe Fusco
R5,242 Discovery Miles 52 420 Ships in 18 - 22 working days

More than two thirds of all living organisms described to date belong to the phylum Arthropoda. But their diversity, as measured in terms of species number, is also accompanied by an amazing disparity in terms of body form, developmental processes, and adaptations to every inhabitable place on Earth, from the deepest marine abysses to the earth surface and the air. The Arthropoda also include one of the most fashionable and extensively studied of all model organisms, the fruit-fly, whose name is not only linked forever to Mendelian and population genetics, but has more recently come back to centre stage as one of the most important and more extensively investigated models in developmental genetics. This approach has completely changed our appreciation of some of the most characteristic traits of arthropods as are the origin and evolution of segments, their regional and individual specialization, and the origin and evolution of the appendages. At approximately the same time as developmental genetics was eventually turning into the major agent in the birth of evolutionary developmental biology (evo-devo), molecular phylogenetics was challenging the traditional views on arthropod phylogeny, including the relationships among the four major groups: insects, crustaceans, myriapods, and chelicerates. In the meantime, palaeontology was revealing an amazing number of extinct forms that on the one side have contributed to a radical revisitation of arthropod phylogeny, but on the other have provided evidence of a previously unexpected disparity of arthropod and arthropod-like forms that often challenge a clear-cut delimitation of the phylum.

Biocontrol of Lepidopteran Pests - Use of Soil Microbes and their Metabolites (Paperback, Softcover reprint of the original 1st... Biocontrol of Lepidopteran Pests - Use of Soil Microbes and their Metabolites (Paperback, Softcover reprint of the original 1st ed. 2015)
K Sowjanya Sree, Ajit Varma
R4,905 Discovery Miles 49 050 Ships in 18 - 22 working days

This volume describes the various applications of entomopathogenic soil microorganisms in the management and control of the devastating lepidopteran pest. An introduction describes the insecticidal properties of viruses, bacteria, fungi, nematodes and their metabolites, as well as their applications in the context of crop improvement. Subsequent chapters focus on topics such as insecticidal proteins; the role of nucleopolyhedroviruses; Bt toxins and their receptors; control of lepidopterans using entomopathogenic fungi; management of cotton defoliators; and sustainable use of entomopathogenic nematodes and their bacterial symbionts. An overview of culture collections of entomopathogenic microorganisms rounds out the volume.

Mimicry in Butterflies (Paperback): Reginald Crundall Punnett Mimicry in Butterflies (Paperback)
Reginald Crundall Punnett
R849 Discovery Miles 8 490 Ships in 10 - 15 working days

Originally published in 1915, this book was written by the renowned British geneticist Reginald Crundall Punnett (1875-1967). Intended to appeal to a broad range of readers, the text presents a concise discussion of mimicry in butterflies and the role of mimicry in the evolutionary process. Illustrative figures and notes are included. This book will be of value to anyone with an interest in butterflies, the development of evolutionary theory and the history of science.

Insects, Fire and Conservation (Paperback, Softcover reprint of the original 1st ed. 2014): Tim R. New Insects, Fire and Conservation (Paperback, Softcover reprint of the original 1st ed. 2014)
Tim R. New
R3,187 Discovery Miles 31 870 Ships in 18 - 22 working days

A global synthesis of the impacts of wildfires and controlled burning on insects, bringing together much hitherto scattered information to provide a guide to improved conservation management practice. The great variety of responses by insect species and assemblages demonstrates the often subtle balance between fire being a severe threat and a vital management component. Examples from many parts of the world and from diverse biotopes and production systems display the increasingly detailed appreciation of fire impacts on insects in terrestrial and freshwater environments and the ways in which prescribed burning may be tailored to reduce harmful ecological impacts and incorporated into protocols for threatened species and wider insect conservation benefits.

Plant Biotechnology - Experience and Future Prospects (Paperback, Softcover reprint of the original 1st ed. 2014): Agnes... Plant Biotechnology - Experience and Future Prospects (Paperback, Softcover reprint of the original 1st ed. 2014)
Agnes Ricroch, Surinder Chopra, Shelby J. Fleischer
R4,551 Discovery Miles 45 510 Ships in 18 - 22 working days

Written in easy to follow language, the book presents cutting-edge agriculturally relevant plant biotechnologies and applications in a manner that is accessible to all. This book introduces the scope and method of plant biotechnologies and molecular breeding within the context of environmental analysis and assessment, a diminishing supply of productive arable land, scarce water resources and climate change. Authors who have studied how agro ecosystems have changed during the first decade and a half of commercial deployment review effects and stress needs that must be considered to make these tools sustainable.

Honeybee Nests - Composition, Structure, Function (Paperback, Softcover reprint of the original 1st ed. 2014): H.R. Hepburn, C.... Honeybee Nests - Composition, Structure, Function (Paperback, Softcover reprint of the original 1st ed. 2014)
H.R. Hepburn, C. W. W. Pirk, O. Duangphakdee
R6,854 Discovery Miles 68 540 Ships in 18 - 22 working days

This work, a sequel to Honeybees and Wax published nearly 30 years ago, starts with a brief introduction and discussion of nesting sites, their spaces and densities, self-organization of nest contents, and interspecific utilization of beeswax. The following chapters cover communication by vibrations and scents and wax secretion, and discuss the queen in relation to the combs. Discussions on completed nests include the significance of brood, the roles of pollen and nectar flow, and comb-building, and are followed by a triad of related chapters on the construction of cells and combs and their energetic costs. An in-depth examination of the conversion of wax scales into combs, the material properties of scale and comb waxes, and the wax gland complex are presented. The next chapters are devoted to a comprehensive analysis of the literature on the chemistry and synthesis of beeswax, and, finally, the material properties of honeybee silk are highlighted.

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