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"Two of North America's most prolific and respected specialists on moths--particularly those of the West--have combined over a century of experience and scholarship to introduce western moths of all families authoritatively to both the amateur and the experienced professional entomologist. This biologically oriented and beautifully illustrated treatment of a quarter of all known western moth species fills a long-needed void, and does it superbly."--Charles V. Covell Jr., author of A Field Guide to Moths of Eastern North America "This work sets a new high water mark for North American lepidopterology. Considering the authors' century of combined studies of western Lepidoptera, it is clear fro...
This 1987 book examines the structure, as seen by the scanning and transmission electron microscopes, of the spermatozoa of insects, centipedes, millipedes and onychophorans.
Every four years, the world’s entomological community gathers to share and debate the latest research and to discuss the challenges facing entomology. This book explores the 100-plus-year history of these meetings, offering a glimpse into the global collaborations and scientific achievements that drove entomology to where it is today and will be tomorrow. Journey across the continents and through this rich history, learning about the people that have helped shape this science and the ways the study of insects has evolved over the years.
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How and why does Denmark have one of the richest, most equal, and happiest societies in the world today? Historians have often pointed to developments from the late nineteenth century, when small peasant farmers worked together through agricultural cooperatives, whose exports of butter and bacon rapidly gained a strong foothold on the British market. This book presents a radical retelling of this story, placing (largely German-speaking) landed elites—rather than the Danish peasantry—at center stage. After acquiring estates in Denmark, these elites imported and adapted new practices from outside the kingdom, thus embarking on an ambitious program of agricultural reform and sparking a chain of events that eventually led to the emergence of Denmark’s famous peasant cooperatives in 1882. A Land of Milk and Butter presents a new interpretation of the origin of these cooperatives with striking implications for developing countries today.
Inchworms, tiger moths, underwings, owlet moths, silkworms,sphinx moths, grass moths, and butterflies. Collectively, these and many others are the Lepidoptera, one of the most diverse groups of animals on the planet. Lepidoptera can be found in the highest tropical canopies,the driest deserts, and at the leading edge of science. The adults include some of the most beautiful insects that have inspired artists and have sailed through the dreams of human cultures for millennia. The immature stages (“caterpillars”), like the underwing depicted on the cover, link together vital processes in diverse terrestrial ecosystems that are only barely documented let alone understood. The people that study these animals are lepidopterists, and the goal of this book is to introduce them with their own words. In twenty chapters, lepidopterists tell their stories, and these tales mirror the diversity of nature in their range and depth. You will find individuals that wrestle with the challenges of scientific careers, stories of far flung travel sand close calls, and historical perspectives on recent decades of scientific break throughs.
Insects are the most diverse group of organisms in the 3 billion-year history of life on Earth, and the most ecologically dominant animals on land. This book chronicles for the first time the complete evolutionary history of insects: their living diversity, relationships and 400 million years of fossils. Whereas other volumes have focused on either living species or fossils, this is the first comprehensive synthesis of all aspects of insect evolution. The book is illustrated with 955 photo- and electronmicrographs, drawings, diagrams, and field photos, many in full colour and virtually all of them original. The book will appeal to anyone engaged with insect diversity: professional entomologists and students, insect and fossil collectors, and naturalists.
Vi pløjed, og vi såède vor sæd i sorten jord, så bad vi ham os hjælpe, som højt i Himlen bor. Og han lod snefald hegne mod frosten barsk og hård, han lod det tø og regne og varme mildt i vår. Alle gode gaver de kommer ovenned, så tak da Gud, ja pris dog Gud for al hans kærlighed! Matthias Claudius 1782. Bearbejdet 1800 Jane M. Campbell 1861 Jacob Knudsen 1891