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Structure And Function Of Palpi In The Colorado Potato Beetle Leptinotarsa Decemlineata Say
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Book Synopsis Structure and Function of Palpi in the Colorado Potato Beetle, Leptinotarsa Decemlineata (Say) by : Avalokitesvara Sen
Download or read book Structure and Function of Palpi in the Colorado Potato Beetle, Leptinotarsa Decemlineata (Say) written by Avalokitesvara Sen and published by . This book was released on 1987 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Mandla Mpho Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612110915 Total Pages :158 pages Book Rating :4.1/5 (19 download)
Book Synopsis Mating Behavior of the Colorado Potato Beetle [microform] : the Role of Palpi in Mating and the Release of Copulatory Behavior in Leptinotarsa Decemlineata Say (Coleoptera: Chrysomelidae) by : Mandla Mpho
Download or read book Mating Behavior of the Colorado Potato Beetle [microform] : the Role of Palpi in Mating and the Release of Copulatory Behavior in Leptinotarsa Decemlineata Say (Coleoptera: Chrysomelidae) written by Mandla Mpho and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1995 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genome Evolution of the Colorado Potato Beetle, Leptinotarsa Decemlineata Say by : Zachary Cohen
Download or read book Genome Evolution of the Colorado Potato Beetle, Leptinotarsa Decemlineata Say written by Zachary Cohen and published by . This book was released on 2021 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid evolution is becoming increasingly relevant to evolutionary biologists and ecologists, especially in the context of global environmental change. This thesis is motivated by the goal of understanding the genomic mechanisms and evolutionary history that allow pest insects to rapidly adapt to their environment. A deeper understanding of how agriculturally impactful pest species successfully overcome environmental challenges is not only of fundamental interest, but it can also translate into new efforts to mitigate pest impacts and improve sustainable food production. Few systems exemplify adaptability to environmental novelty and selective pressure as well as agricultural super-pests. This status is reserved for those that have a major impact on crop yield and a propensity for rapid development of pesticide resistance. Among insect super-pests, the Colorado potato beetle, Leptinotarsa decemlineata (Say), is notable for its long history of population outbreaks, global expansion, and repeated evolution of insecticide resistance. To investigate how adaptation in this lineage has occurred since becoming an agricultural pest, I first establish a comparative phylogenomic framework examining the evolution of pest traits in the genus Leptinotarsa in Chapter 1. I use this framework to compare genomic features of CPB against nine closely-related Leptinotarsa species, to determine that CPB, and daughter species, have genome-wide elevated rates of positive selection and genes associated with plant preference, xenobiotic metabolism and stress. Furthermore, this finding seems to be attributed to larger effective population size in these lineages, possibly due to expanded host breadth. In Chapter 2, I refine the CPB reference genome and develop a reference graph of the Colorado potato beetle using pest and non-pest representative individuals. This reference elucidates an important supporting role structural variants have played in the evolution of insecticide resistance. Finally, in Chapter 3, I use population genomic resequencing of two important resistant populations to examine the demographic history, genome-wide recombination maps, and patterns of selective sweeps. I find evidence that CPB pest history mirrors known historical records and that populations exhibit independent evolution of insecticide resistance genes. Altogether, my research shows that CPB evolves insecticide resistance rapidly due to substantial standing genetic variation and by leveraging diverse molecular pathways of resistance.
Book Synopsis Feeding Ecology and Nitrogen and Lipid Composition of the Colorado Potato Beetle, Leptinotarsa Decemlineata (Say) by : Albert Zitzman
Download or read book Feeding Ecology and Nitrogen and Lipid Composition of the Colorado Potato Beetle, Leptinotarsa Decemlineata (Say) written by Albert Zitzman and published by . This book was released on 1984 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Role of AChE in Colorado Potato Beetle (Leptinotarsa Decemlineata Say) Resistance to Carbamates and Organophosphates by : Miroslav Kostić
Download or read book Role of AChE in Colorado Potato Beetle (Leptinotarsa Decemlineata Say) Resistance to Carbamates and Organophosphates written by Miroslav Kostić and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Colorado potato beetle is one of the most important pests of potatoes and one of the most difficult insects to control. Over the years, none of the control techniques developed against this pest has provided long-term protection for potato crops. Worldwide, CPB is resistant to all major groups of insecticides, including organophosphates and carbamates. The target site of organophosphate (OP) and carbamate insecticides is the same; they inhibit the activity of AChE. The function of acetylcholinesterase (AChE) is degradation of acetylcholine (ACh - neurotransmitter) in the insect cholinergic synapses. Mutations in the AChE-encoding locus have been shown to confer target site insensitivity to organophosphate and carbamate insecticides, leading to modification of AChE (MACE). A range of other amino acid substitutions in AChE confer insecticide resistance, and these mutations typically reside near to or within the active site of the enzyme. Such AChE mutations, associated with insecticide resistance, mostly known as Ace in Drosophila, have also been observed in other species, including L. decemlineata. Based on bioassays and literature, modified/insensitive AChE confers two major patterns of resistance to OPs/carbamates. Pattern I resistance is characterized by significantly higher resistance ratios (RR) (much greater reduction in the sensitivity of AChE at the biochemical level) to carbamates than to organophosphate insecticides. Pattern II resistance is characterized by resistance ratios (and/or reductions in the sensitivity of AChE) that are approximately equivalent for both carbamates and OPs. There are also a few species for which an insensitive AChE has been reported and for which molecular data have been collected, but for which the resistance profiles for both OPs and carbamates have not been reported. For CPB, both patterns were registered.
Book Synopsis Colorado Potato Beetle by : Canada. Agriculture Canada
Download or read book Colorado Potato Beetle written by Canada. Agriculture Canada and published by . This book was released on 1982 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Role of Dispersal in the Management of Adult Colorado Potato Beetles by : Pamela D. Sandeson
Download or read book Role of Dispersal in the Management of Adult Colorado Potato Beetles written by Pamela D. Sandeson and published by . This book was released on 2000 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel aspects of the biology of Chrysomelidae by : Pierre H. Jolivet
Download or read book Novel aspects of the biology of Chrysomelidae written by Pierre H. Jolivet and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 583 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chrysomelidae, along with Curculionidae and Bruchidae, are the most important phytophagous Coleoptera. At least 37,000 species of leaf beetles belonging to 19 subfamilies have now been described, and more probably remain to be discovered, especially in the tropics. Many species are familiar agricultural pests. The Colorado potato beetle, the cereal beetle, flea beetle and the corn root worms are but a few of the well known pests. Because of the economic importance and biological diversity, chrysomelids are an important taxonomic group for scientific inquiry. This book is divided into eight parts, entitled palaeontology, larvae and larval biology, trophic selection, genetics and evolution defence mechanisms, anatomy and reproduction, pathogens and natural enemies, and general studies in biology. The biologies of agricultural and forestry pests, Leptinotarsa, Plagiodera, Entomoscelis, Paropsis, Mecistomela and Aspidomorpha are dealt with in detail. Others, such as Timarcha and those in the poorly known Megalopodinae, are covered in Part VIII. In this volume the American, European, Asian and Australian fauna occupy the greatest part. This volume, together with Biology of Chrysomelidae (1988), provides a comprehensive coverage and helps to complete the picture of chrysomelid biology.
Book Synopsis Host Selection and Gustatory Chemoreception in Three Leptinotarsa Species by : Janet Louise Haley
Download or read book Host Selection and Gustatory Chemoreception in Three Leptinotarsa Species written by Janet Louise Haley and published by National Library of Canada. This book was released on 1988 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Paul W. Riegert Publisher :Entomological Society of Canada ; [Edmonton] : Entomological Society of Alberta ISBN 13 : Total Pages :64 pages Book Rating :4.E/5 ( download)
Book Synopsis Entomologists of Alberta by : Paul W. Riegert
Download or read book Entomologists of Alberta written by Paul W. Riegert and published by Entomological Society of Canada ; [Edmonton] : Entomological Society of Alberta. This book was released on 1989 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1987 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Dissertation Index by :
Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1989 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Canadiana written by and published by . This book was released on 1989 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index to American Doctoral Dissertations by :
Download or read book Index to American Doctoral Dissertations written by and published by . This book was released on 1986 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Insect-Plant Biology by : Louis M. Schoonhoven
Download or read book Insect-Plant Biology written by Louis M. Schoonhoven and published by Oxford University Press. This book was released on 2005-12 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Half of all insect species are dependent on living plant tissues, consuming about 10% of plant annual production in natural habitats and an even greater percentage in agricultural systems, despite sophisticated control measures. Plants are generally remarkably well-protected against insect attack, with the result that most insects are highly specialized feeders. The mechanisms underlying plant resistance to invading herbivores on the one side, and insect food specialization on the other, are the main subjects of this book. For insects these include food-plant selection and the complex sensory processes involved, with their implications for learning and nutritional physiology, as well as the endocrinological aspects of life cycle synchronization with host plant phenology. In the case of plants exposed to insect herbivores, they include the activation of defence systems in order to minimize damage, as well as the emission of chemical signals that may attract natural enemies of the invading herbivores and may be exploited by neighbouring plants that mount defences as well." "Insect-Plant Biology discusses the operation of these mechanisms at the molecular and organismal levels, in the context of both ecological interactions and evolutionary relationships. In doing so, it uncovers the highly intricate antagonistic and mutualistic interactions that have evolved between plants and insects. The book concludes with a chapter on the application of our knowledge of insect-plant interactions to agricultural production." "This multidisciplinary approach will appeal to students in agricultural entomology, plant sciences, ecology, and indeed anyone interested in the principles underlying the relationships between the two largest groups of organisms on earth: plants and insects."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved
Book Synopsis Mass Production of Beneficial Organisms by : Juan A. Morales-Ramos
Download or read book Mass Production of Beneficial Organisms written by Juan A. Morales-Ramos and published by Academic Press. This book was released on 2022-09-20 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mass Production of Beneficial Organisms: Invertebrates and Entomopathogens, Second Edition explores the latest advancements and technologies for large-scale rearing and manipulation of natural enemies while presenting ways of improving success rate, predictability of biological control procedures, and demonstrating their safe and effective use. Organized into three sections, Parasitoids and Predators, Pathogens, and Invertebrates for Other Applications, this second edition contains important new information on production technology of predatory mites and hymenopteran parasitoids for biological control, application of insects in the food industry and production methods of insects for feed and food, and production of bumble bees for pollination.Beneficial organisms include not only insect predators and parasitoids, but also mite predators, nematodes, fungi, bacteria and viruses. In the past two decades, tremendous advances have been achieved in developing technology for producing these organisms. Despite that and the globally growing research and interest in biological control and biotechnology applications, commercialization of these technologies is still in progress. This is an essential reference and teaching tool for researchers in developed and developing countries working to produce “natural enemies in biological control and integrated pest management programs. Highlights the most advanced and current techniques for mass production of beneficial organisms and methods of evaluation and quality assessment Presents methods for developing artificial diets and reviews the evaluation and assurance of the quality of mass-produced arthropods Provides an outlook of the growing industry of insects as food and feed and describes methods for mass producing the most important insect species used as animal food and food ingredients
Book Synopsis Regulatory Mechanisms in Insect Feeding by : Reg F. Chapman
Download or read book Regulatory Mechanisms in Insect Feeding written by Reg F. Chapman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only book to deal comprehensively with insect feeding was published by C. T. Brues in 1946. His Insect Dietary was an account of insect feeding habits. Since that time there has been a revolution in biology, and almost all aspects of our understanding of insect feeding have expanded to an extent and into areas that would have been unthinkable in Brues' day. Yet, our book does not replace Insect Dietary but, instead, complements it, because our aim is to bring together information on the mechanisms by which food quality and quantity are regulated. We deliberately focus attention on the feeding process; to include food-finding would have required a much larger book and would have moved the focus away from more proximate mechanisms. This book is dedicated to the late Vincent G. Dethier. As a pioneer in studying the physiological basis of animal behavior, he focused on regulation of feeding in flies and caterpillars. His work on the blowfly, together with that by his many students and co-workers, still provides the most completely described mechanism of insect feeding. The citation of his work in almost every chapter in this book illustrates the importance of his findings and ideas to our current understanding of regulation of insect feeding. The authors in this book provide many innovative and stimulating ideas typifying Dethier's approach to the study of feeding be havior.
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