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

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 10 - 15 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 10 - 15 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.

Butterflies Magic Painting Book (Paperback): Abigail Wheatley Butterflies Magic Painting Book (Paperback)
Abigail Wheatley; Illustrated by Camilla Garofano
R207 R190 Discovery Miles 1 900 Save R17 (8%) Ships in 9 - 17 working days

Packed with beautiful scenes showing butterflies of the world flitting among flowers. Simply brush water over the black and white designs to watch the butterflies burst into a rainbow of colours.

Diseases Of Nematodes - Volume II (Hardcover): George O. Poinar Diseases Of Nematodes - Volume II (Hardcover)
George O. Poinar
R2,795 Discovery Miles 27 950 Ships in 10 - 15 working days

The present work deals with the diseases of nematodes. Although the term disease implies a pathological condition brought about by an infectious agent, a broader concept is used here.

The Insects - An Outline of Entomology (Hardcover, 5th Edition): P Gullan The Insects - An Outline of Entomology (Hardcover, 5th Edition)
P Gullan
R1,554 Discovery Miles 15 540 Ships in 9 - 17 working days

Insects represent over half of the planet's biological diversity. This popular textbook provides a comprehensive introduction to this extraordinary diversity, and places entomology central to the theory and practice of evolutionary and ecological studies.

Fully revised, this fifth edition opens with a chapter concerning the popular side of insect studies, including insects in citizen science, zoos and butterfly houses, and insects as food for humans and animals. Key features of insect structure, function, behaviour, ecology and classification are integrated with appropriate molecular studies, including the latest international studies. Much of the book is organized around major biological themes: living on the ground, in water, on plants, in colonies, and as predators, parasites/parasitoids and prey insects. A strong evolutionary theme is maintained throughout.

There is major revision to the chapter on systematics and taxonomy, and a new chapter, Insects in a Changing World, includes insect responses to, and the consequences of, both climate change and human-assistedglobal alterations to distributions. Updated 'Taxoboxes' demonstrate topical issues and provide conciseinformation on all aspects of each of the 28 major groupings (orders) of insects, plus the three orders of non-insect hexapods. New boxes describe a worrying increase in insect threats to landscape and commercial trees (including eucalypts, palms and coffee) and explain the value of molecular genetic data, including evolutionary developmental biology and DNA barcoding, in insect biodiversity studies.The authors maintain the clarity and conciseness of earlier editions, and extend the profuse illustrations with new hand-drawn figures. Over 50 colour photographs, together with the informative text and an accompanying website with links to video clips, appendices, textboxes and further reading lists, encourage a deeper scientificstudy of insects. The book is intended as the principal text for students studying entomology, as well as a reference text for undergraduate and graduate courses in fields of ecology, agriculture, fisheries and forestry, palaeontology, zoology, and medical and veterinary science.

Guide to Ladybirds of the British Isles (Wallchart): Richard Lewington Guide to Ladybirds of the British Isles (Wallchart)
Richard Lewington
R135 Discovery Miles 1 350 Ships in 10 - 15 working days
Biotechnology of Silk (Paperback, Softcover reprint of the original 1st ed. 2014): Tetsuo Asakura, Thomas Miller Biotechnology of Silk (Paperback, Softcover reprint of the original 1st ed. 2014)
Tetsuo Asakura, Thomas Miller
R4,714 Discovery Miles 47 140 Ships in 10 - 15 working days

This book is a snapshot of the current state of the art of research and development on the properties and characteristics of silk and their use in medicine and industry. The field encompasses backyard silk production from ancient time to industrial methods in the modern era and includes an example of efforts to maintain silk production on Madagascar. Once revered as worth its weight in gold, silk has captured the imagination from its mythical origins onwards. The latest methods in molecular biology have opened new descriptions of the underlying properties of silk. Advances in technological innovation have created silk production by microbes as the latest breakthrough in the saga of silk research and development. The application of silk to biomaterials is now very active on the basis of excellent properties of silks including recombinant silks for biomaterials and the accumulated structural information.

Desert Navigator - The Journey of an Ant (Hardcover): Rudiger Wehner Desert Navigator - The Journey of an Ant (Hardcover)
Rudiger Wehner
R1,384 Discovery Miles 13 840 Ships in 10 - 15 working days

Winner of the Association of American Publishers PROSE Award for Excellence in Biological and Life Sciences A world-renowned researcher of animal behavior reveals the extraordinary orienteering skills of desert ants, offering a thrilling account of the sophisticated ways insects function in their natural environments. Cataglyphis desert ants are agile ultrarunners who can tolerate near-lethal temperatures when they forage in the hot midday sun. But it is their remarkable navigational abilities that make these ants so fascinating to study. Whether in the Sahara or its ecological equivalents in the Namib Desert and Australian Outback, the Cataglyphis navigators can set out foraging across vast expanses of desert terrain in search of prey, and then find the shortest way home. For almost half a century, Rudiger Wehner and his collaborators have devised elegant experiments to unmask how they do it. Through a lively and lucid narrative, Desert Navigator offers a firsthand look at the extraordinary navigational skills of these charismatic desert dwellers and the experiments that revealed how they strategize and solve complex problems. Wehner and his team discovered that these insect navigators use visual cues in the sky that humans are unable to see, the Earth's magnetic field, wind direction, a step counter, and panoramic "snapshots" of landmarks, among other resources. The ants combine all of this information to steer an optimal course. At any given time during their long journey, they know exactly where to go. It is no wonder these nimble and versatile creatures have become models in the study of animal navigation. Desert Navigator brings to light the marvelous capacity and complexity found in these remarkable insects and shows us how mini brains can solve mega tasks.

Machine Learning in Medicine - Part Two (Paperback, 2013 ed.): Ton J. Cleophas, Aeilko H. Zwinderman Machine Learning in Medicine - Part Two (Paperback, 2013 ed.)
Ton J. Cleophas, Aeilko H. Zwinderman
R1,408 Discovery Miles 14 080 Ships in 10 - 15 working days

Machine learning is concerned with the analysis of large data and multiple variables. However, it is also often more sensitive than traditional statistical methods to analyze small data. The first volume reviewed subjects like optimal scaling, neural networks, factor analysis, partial least squares, discriminant analysis, canonical analysis, and fuzzy modeling. This second volume includes various clustering models, support vector machines, Bayesian networks, discrete wavelet analysis, genetic programming, association rule learning, anomaly detection, correspondence analysis, and other subjects. Both the theoretical bases and the step by step analyses are described for the benefit of non-mathematical readers. Each chapter can be studied without the need to consult other chapters. Traditional statistical tests are, sometimes, priors to machine learning methods, and they are also, sometimes, used as contrast tests. To those wishing to obtain more knowledge of them, we recommend to additionally study (1) Statistics Applied to Clinical Studies 5th Edition 2012, (2) SPSS for Starters Part One and Two 2012, and (3) Statistical Analysis of Clinical Data on a Pocket Calculator Part One and Two 2012, written by the same authors, and edited by Springer, New York.

Biology of Grasshoppers (Hardcover): R. F. Chapman Biology of Grasshoppers (Hardcover)
R. F. Chapman
R7,072 Discovery Miles 70 720 Ships in 10 - 15 working days

"Novel Aspects of Insect - Plant Interactions" is edited by Pedro Barbosa and Deborah Letourneau. This volume represents the forefront of two rapidly advancing areas of ecology: three-trophic-level interactions and the interdisciplinary field of chemical ecology. The book focuses on the role of microorganisms as mediators of interactions between insects and plants, providing critical appraisal of studies and suggesting ways to integrate competing hypotheses of insect-plant dynamics. 1988 (0471832766) 362 pp. "Arthropod Biological Control Agents and Pesticides" is written by Brian A. Croft. Examining the effects of pesticides on predators and parasites and exploring methods for reducing negative impacts of pesticide use, this book focuses on the interaction of pesticides with entomophagous arthropods. It surveys the history of research in the field and discusses susceptibility assessment, lethal, sublethal, and ecological effects of pesticides, and selectivity, resistance, and resistance management. 1990 (0471819751) 723 pp. "Lepidopteran Anatomy", is written by John Eaton. This single-source treatment on the anatomy of Lepidoptera provides a detailed exposition of its anatomy plus all its life stages, including the larva and adult forms of the exoskeleton, musculature, organ systems, and specialized structures. As the only thorough examination of the morphology of this insect group, it is an essential acquisition for entomologists, morphologists, and insect physiologists. 1988 (1058629) 257 pp. "Integrated Pest Management Systems and Cotton Production" is edited by Ray Frisbie, Kamal El-Zik, and L. Ted Wilson. The most complete and authoritative work available on the subject, this book brings together information on integrated pest management strategies that are applicable to cotton. It addresses economic, agronomic, and biological factors of pest management and focuses on plant resistance to pests and the genetic rationale for improving plant health. 1989 (0471817821) 437 pp.

Machine Learning in Medicine (Paperback, 2013 ed.): Ton J. Cleophas, Aeilko H. Zwinderman Machine Learning in Medicine (Paperback, 2013 ed.)
Ton J. Cleophas, Aeilko H. Zwinderman
R2,111 Discovery Miles 21 110 Ships in 10 - 15 working days

Machine learning is a novel discipline concerned with the analysis of large and multiple variables data. It involves computationally intensive methods, like factor analysis, cluster analysis, and discriminant analysis. It is currently mainly the domain of computer scientists, and is already commonly used in social sciences, marketing research, operational research and applied sciences. It is virtually unused in clinical research. This is probably due to the traditional belief of clinicians in clinical trials where multiple variables are equally balanced by the randomization process and are not further taken into account. In contrast, modern computer data files often involve hundreds of variables like genes and other laboratory values, and computationally intensive methods are required. This book was written as a hand-hold presentation accessible to clinicians, and as a must-read publication for those new to the methods.

Insect Collection and Identification - Techniques for the Field and Laboratory (Paperback, 2nd edition): Timothy J. Gibb,... Insect Collection and Identification - Techniques for the Field and Laboratory (Paperback, 2nd edition)
Timothy J. Gibb, Christian Oseto
R2,073 Discovery Miles 20 730 Ships in 10 - 15 working days

Insect Collection and Identification: Techniques for the Field and Laboratory, Second Edition, is the definitive text on all aspects required for collecting and properly preparing specimens for identification. This book provides detailed taxonomic keys to insects and related arthropods, giving recent classification changes to various insect taxa, along with updated preservation materials and techniques for molecular and genomic studies. It includes methods of rearing, storing and shipping specimens, along with a supporting glossary. New sections provide suggestions on how insects and other arthropods can be used within, and outside, the formal classroom and examine currently accepted procedures for collecting insects at crime scenes. This book is a necessary reference for entomology professionals and researchers who seek the most updated taxonomy and techniques for collection and preservation. It will serve as a valuable resource for entomology students and professionals who need illustrative and detailed information for easy arthropod identification.

The Biology of the Honey Bee (Paperback, Revised): Mark L. Winston The Biology of the Honey Bee (Paperback, Revised)
Mark L. Winston
R809 Discovery Miles 8 090 Ships in 10 - 15 working days

From ancient cave paintings of honey bee nests to modern science's richly diversified investigation of honey bee biology and its applications, the human imagination has long been captivated by the mysterious and highly sophisticated behavior of this paragon among insect societies. In the first broad treatment of honey bee biology to appear in decades, Mark Winston provides rare access to the world of this extraordinary insect. In a bright and engaging style Winston probes the dynamics of the honey bee's social organization. He recreates for us the complex infrastructure of the nest, describes the highly specialized behavior of workers, queens, and drones, and examines in detail the remarkable ability of the honey bee colony to regulate its functions according to events within and outside the nest. Winston integrates into his discussion the results of recent studies, bringing into sharp focus topics of current bee research. These include the exquisite architecture of the nest and its relation to bee physiology; the intricate division of labor and the relevance of a temporal caste structure to efficient functioning of the colony; and, finally, the life-death struggles of swarming, supersedure, and mating that mark the reproductive cycle of the honey bee. "The Biology of the Honey Bee" not only reviews the basic aspects of social behavior, ecology, anatomy, physiology, and genetics, it also summarizes major controversies in contemporary honey bee research, such as the importance of kin recognition in the evolution of social behavior and the role of the well-known dance language in honey bee communication. Thorough, well-illustrated, and lucidly written, this book will for many years be a valuable resource for scholars, students, and beekeepers alike.

Encyclopedia of South American Aquatic Insects: Hemiptera - Heteroptera - Illustrated Keys to Known Families, Genera, and... Encyclopedia of South American Aquatic Insects: Hemiptera - Heteroptera - Illustrated Keys to Known Families, Genera, and Species in South America (Paperback, 2011 ed.)
Charles W. Heckman
R8,873 Discovery Miles 88 730 Ships in 10 - 15 working days

Hemiptera - Heteroptera encompasses the three well-defined suborders of the true bugs which are adapted to an aquatic or littoral habitat. The book begins with a section on the biology these insects and provides illustrations of the basic features of their morphology and outlines the larval development. Brief outlines of the ecological and zoogeographical peculiarities of the three aquatic suborders are presented individually, and various methods for observing, collecting, preserving, rearing, and examining specimens are discussed. Most of the book is devoted to keys for the identification of adults to species, and notes are provided that will help recognize the known larvae. Unlike most other aquatic insects, the larval instars of the heteropteran species closely resemble the adults in their morphology, preferred habitats, and feeding habits. Therefore, distinguishing features of those relatively few larvae which have been described in detail are usually mentioned in the keys to the adults rather than being included in separate keys. In addition to the most important features for determining the individual species, many keys include additional notes on the morphology, which is intended to give the user a better chance of recognizing specimens of species not yet known to science. After the currently recognized name of each species, the known range is provided. Regions of the world outside of South America, South American countries, and the states of Brazil from which the species has been reported are listed. Following the range information, major synonyms previously used for the species in the literature are provided. If subspecies have been described and are still recognized as such, they are also discussed. Finally, if the status of the species is regarded as uncertain because of a poor description, strong resemblance to another species, or any other reason, a note is added that a detailed study will be necessary to clarify the status of the taxon. Taxonomic revisions in the book itself are strictly avoided. To provide the user of the keys with maximum assistance in making reliable identifications, the book is richly illustrated with pen and ink drawings of thousands of individual morphological structures arranged in 820 figures. The book is intended to make a significant impact toward popularizing the study of South American water bugs by assembling and condensing the information in hundreds of individual publications on the group, which appeared in many books and journals published in many different countries over the past 200 years. Some of these works are very difficult to obtain in South America, and their lack creates serious impediments to systematic, ecological, and zoogeographical research. In the more than 730 titles appearing in the bibliography, the original descriptions and revisions of almost all South American species can be found.

Arthropods as Vectors of Emerging Diseases (Paperback, 2012 ed.): Heinz Mehlhorn Arthropods as Vectors of Emerging Diseases (Paperback, 2012 ed.)
Heinz Mehlhorn
R5,173 Discovery Miles 51 730 Ships in 10 - 15 working days

Global warming and globalization are the buzzwords of our time. They have nearly reached a religious status and those who deny their existence are considered modern heretics. Nevertheless, the earth has become an overcrowded village, traversable within a single day. Thus it is hardly surprising that besides persons and goods also agents of disease are easily transported daily from one end of the world to the other, threatening the health and lives of billions of humans and their animals. Agents of diseases (prions, viruses, bacteria, fungi and parasites) are not only transmitted by body contact or direct exchange of bodily fluids, but also by means of vectors which belong to the groups of licking or blood-sucking arthropods (mites, ticks, insects) that live close to humans and their houses. Without a doubt the recently accelerating globalization supports the import of agents of disease into countries where they never had been or where they had long since been eradicated, leading to a false sense of living on a "safe island." These newly imported or reintroduced diseases - called "emerging diseases" - may lead to severe outbreaks in cases where the countries are not prepared to combat them, or in cases where viruses are introduced that cannot be controlled by medications or vaccines. Arthropods are well known vectors for the spread of diseases. Thus their invasion from foreign countries and their spreading close to human dwellings must be blocked everywhere (in donor and receptor countries) using safe and effective measures. This book presents reviews on examples of such arthropod-borne emerging diseases that lurk on the fringes of our crowded megacities. The following topics show that there is an ongoing invasion of potential vectors and that control measures must be used now in order to avoid disastrous outbreaks of mass diseases.

Arthropod-Plant Interactions - Novel Insights and Approaches for IPM (Paperback, 2012 ed.): Guy Smagghe, Isabel Diaz Arthropod-Plant Interactions - Novel Insights and Approaches for IPM (Paperback, 2012 ed.)
Guy Smagghe, Isabel Diaz
R2,617 Discovery Miles 26 170 Ships in 10 - 15 working days

The book consists of multiple chapters by leading experts on the different aspects in the unique relationship between arthropods and plants, the underlying mechanisms, realized successes and failures of interactions and application for IPM, and future lines of research and perspectives. Interesting is the availability of the current genomes of different insects, mites and nematodes and different important plants and agricultural crops to bring better insights in the cross talk mechanisms and interacting players. This book will be the first one that integrates all this fascinating and newest (from the last 5 years) information from different leading research laboratories in the world and with perspectives from academia, government and industry.

Ordnung Coleoptera (LARVEN) (Paperback, 1978 ed.): B Klausnitzer Ordnung Coleoptera (LARVEN) (Paperback, 1978 ed.)
B Klausnitzer
R1,446 Discovery Miles 14 460 Ships in 10 - 15 working days

Seit der Herausgabe des umfassenden Werkes von GHJLAROV (1964) uber die boden- bewohnenden Insektenlarven hat sich unser Wissen uber Kaferlarven bedeutend erweitert. GHJLAROV fuhrt bei gleicher Auffassung der Familien in seinem Familien- schlussel 70 Taxa an (hier 93). Nach den Tabellen der einzelnen Familien sind durch sein Buch ca. 470 Gattungen bestimmbar (hier 653). Ausserdem wurden in den vorliegenden Band 16 Familien aufgenommen, fur die GHJLAROV keinen Gattungs- schlussel bringt. Es ist nicht moglich gewesen, Tabellen bis zur Art (wie bei GHJLA- ROV} aufzunehmen. Fur spater ist eine Fortfuhrung dieses Buches geplant, und es sollen Bestimmungstabellen bis zu den Arten geschaffen werden. Auf den ersten Blick mag es verwunderlich erscheinen, wenn Familien, die vor- wiegend in Pilzen leben (z. B. Mycetophagidae), Bewohner faulenden Holzes (z. B. Serropalpidae) oder Familien, die vorwiegend in der Kraut- und Strauchschicht leben (z. B. Ooccinellidae) in dieses Buch aufgenommen wurden. Tatsachlich ist es aber so, dass alle hier behandelten Familien in Material aus Bodenfallen mehr oder minder regelmassig gefunden werden. Die eigentlich nicht zur Fauna des Bodens oder der Bodenoberflache gehorenden Ooccinellidae wurden beispielsweise mit 15,4% aller Kaferlarven bei einer Untersuchung uber die epigaische Fauna von Fichtenwaldern nachgewiesen. Es wurde darauf verzichtet, dieser Arbeit eine ver- gleichende Morphologie der Coleopte;renlarven voranzustellen. Die wesentlichsten Bestimmungsmerkmale werden anschlieQend in einer kurzen Ubersicht erlautert. Ziel des vorliegenden Buches ist eine moglichst leichte Diagnose von Kaferlarven.

Precision Crop Protection - the Challenge and Use of Heterogeneity (Paperback, 2010 ed.): Erich-Christian Oerke, Roland... Precision Crop Protection - the Challenge and Use of Heterogeneity (Paperback, 2010 ed.)
Erich-Christian Oerke, Roland Gerhards, Gunter Menz, Richard A Sikora
R6,548 Discovery Miles 65 480 Ships in 10 - 15 working days

Precision farming is an agricultural management system using global navigation satellite systems, geographic information systems, remote sensing, and data management systems for optimizing the use of nutrients, water, seed, pesticides and energy in heterogeneous field situations. This book provides extensive information on the state-of-the-art of research on precision crop protection and recent developments in site-specific application technologies for the management of weeds, arthropod pests, pathogens and nematodes. It gives the reader an up-to-date and in-depth review of both basic and applied research developments. The chapters discuss I) biology and epidemiology of pests, II) new sensor technologies, III) applications of multi-scale sensor systems, IV) sensor detection of pests in growing crops, V) spatial and non-spatial data management, VI) impact of pest heterogeneity and VII) precise mechanical and chemical pest control.

Protein Aggregation and Fibrillogenesis in Cerebral and Systemic Amyloid Disease (Paperback, 2012 ed.): J.Robin Harris Protein Aggregation and Fibrillogenesis in Cerebral and Systemic Amyloid Disease (Paperback, 2012 ed.)
J.Robin Harris
R5,306 Discovery Miles 53 060 Ships in 10 - 15 working days

This volume of the Subcellular Biochemistry series is the result of the long-standing research interest of the editor in the molecular mechanism underlying Alzheimer's disease and other amyloid diseases, indicated also by the earlier book in the series (Volume 38), devoted to Alzheimer's disease. The broad coverage within the present amyloidogenesis book represents an attempt to collate current knowledge relating to the proteins and peptides involved in most of the known amyloid diseases, together with some amyloid/fibril-forming proteins and peptides that are not involved in diseases. Thus, the range of topics included is comprehensive and furthermore it was thought appropriate to include both basic science and clinical presentation of the subjects under discussion.

A Master of Science History - Essays in Honor of Charles Coulston Gillispie (Paperback, 2012 ed.): Jed Z. 'Buchwald A Master of Science History - Essays in Honor of Charles Coulston Gillispie (Paperback, 2012 ed.)
Jed Z. 'Buchwald
R4,735 Discovery Miles 47 350 Ships in 10 - 15 working days

New essays in science history ranging across the entire field and related in most instance to the works of Charles Gillispie, one of the field's founders.

Insect Diets - Science and Technology, Second Edition (Hardcover, 2nd edition): Allen Carson Cohen Insect Diets - Science and Technology, Second Edition (Hardcover, 2nd edition)
Allen Carson Cohen
R5,236 Discovery Miles 52 360 Ships in 10 - 15 working days

Dr. Allen Carson Cohen's new edition of Insect Diets: Science and Technology continues to provide a current, integrated review of the field of insect diets. It reaffirms and expands upon the belief that the science of diet development and the technology of diet application in rearing programs require formal foundations and guidelines. Cohen argues for a data-driven approach as well as a focus on humane treatment in insect rearing programs. He also calls for academics and industries to make a new push toward statistical process control (SPC) in their approaches to rearing in general, using his own work with insects as a paradigm. This approach yields the benefits of careful scientific analysis by addressing issues of quality and efficiency in academic research and industrial practices and applications. See What's New in the Second Edition: This edition expands upon the role of food science in the use of artificial diets in rearing programs, especially texture analysis with rheological techniques. It includes an entirely new chapter focused solely on the subject of food quality in insect diets. The book also revisits microbial relationships to insect diets as a powerful influence on their feeding processes and emphasizes a new, better understanding and utilization of the relationship between insects and microbes in artificial diets. Cohen also expands his vision of the future of insect rearing, including the use of insects themselves as a potential food source for a rapidly expanding global human population. To that end, this book gives you guidelines to develop, use, and evaluate artificial diets in order to improve their cost and scientific efficiency in the rearing of insects, because as the author urges, it is important to "know your insect." This understanding will serve the multifaceted goals of using insect rearing for research and teaching, pest management strategies and biocontrol agents, as food for other organisms, and for many other purposes.

The Biology of Imaginal Disks (Paperback, Softcover reprint of the original 1st ed. 1972): H Ursprung, R. Noethiger The Biology of Imaginal Disks (Paperback, Softcover reprint of the original 1st ed. 1972)
H Ursprung, R. Noethiger
R1,389 Discovery Miles 13 890 Ships in 10 - 15 working days

~o working hypothesis amounts to much until it has been tested on suitable material. Indeed, the choice of an appropriate experimental system has often been the key to the solution of a problem. The present volume is devoted to insect imaginal disks. These groups of larval cells are the primordia of precisely characterized adult counterparts, without apparent function in larvae. At the onset of metamorphosis, the subtle interplay of hormonal signals brings growth to a halt, and differentiation begins. In the fruitfly, a host of mutations are known to affect the development of disks; these provide ample material for analysis. It was largely ERNST HADORN'S ingenuity that directed the attention of many scientists around the world to this promising experimental system, and to him this volume is dedicated. All the contributors have been associated with him at one time or another, as graduate students, postdoctoral fellows, or colleagues. Each author has attempted to cover comprehensively the topic assigned to him. This has inevitably led to some overlapping, for which the editors should be blamed, not the authors, as this results from the way the topic was subdivided at the outset. We believe this volume will be a welcome sourcebook for the specialist in the field, and a provocative monograph for the uninitiated scientist interested in the exciting area of cell determination.

Killing Bugs for Business and Beauty - Canada's Aerial War against Forest Pests, 1913-1930 (Paperback): Mark Kuhlberg Killing Bugs for Business and Beauty - Canada's Aerial War against Forest Pests, 1913-1930 (Paperback)
Mark Kuhlberg
R781 Discovery Miles 7 810 Ships in 10 - 15 working days

Killing Bugs for Business and Beauty examines the beginning of Canada’s aerial war against forest insects and how a tiny handful of officials came to lead the world with a made-in-Canada solution to the problem. Shedding light on a largely forgotten chapter in Canadian environmental history, Mark Kuhlberg explores the theme of nature and its agency. The book highlights the shared impulses that often drove both the harvesters and the preservers of trees, and the acute dangers inherent in allowing emotional appeals instead of logic to drive environmental policy-making. It addresses both inter-governmental and intra-governmental relations, as well as pressure politics and lobbying. Including fascinating tales from Cape Breton Island, Muskoka, and Stanley Park, Killing Bugs for Business and Beauty clearly demonstrates how class, region, and commercial interest intersected to determine the location and timing of aerial bombings. At the core of this book about killing bugs is a story, infused with innovation and heroism, of the various conflicts that complicate how we worship wilderness.

Typical Flies: Volume 1 - A Photographic Atlas of Diptera (Paperback): E.K. Pearce Typical Flies: Volume 1 - A Photographic Atlas of Diptera (Paperback)
E.K. Pearce
R663 Discovery Miles 6 630 Ships in 10 - 15 working days

First published in 1928 as the second edition of a 1915 original, this book is the first of a three-part study on Diptera, or two-winged flies. Pearce includes advice on the capture and study of entomological samples, and the majority of the volume is made up of detailed photos of various species of two-winged flies, both male and female, as well as the eggs and habitats of certain breeds. This book will be of value to anyone with an interest in scientific photography or the history of entomology.

Typical Flies: Volume 3 - A Photographic Atlas of Diptera (Paperback): E.K. Pearce Typical Flies: Volume 3 - A Photographic Atlas of Diptera (Paperback)
E.K. Pearce
R665 Discovery Miles 6 650 Ships in 10 - 15 working days

First published in 1928, this book is the third and final of a three-part study on Diptera, or two-winged flies. Pearce includes advice on the capture and study of entomological samples, and the majority of the volume is made up of detailed photos of various species of two-winged flies, both male and female, as well as the eggs and habitats of certain breeds. This book will be of value to anyone with an interest in scientific photography or the history of entomology.

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