On the First African Spiders of the Family Orsolobidae (Araneae, Dysderoidea). American Museum Novitates PDF Download
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Languages : en
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Languages : en
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Author: Charles E. Griswold
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Category : Afrilobus
Languages : en
Pages : 14
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Author: Charles E. Griswold
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Category : Afrilobus
Languages : en
Pages : 0
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"The first African representatives of the austral spider family Orsolobidae are described. Two new genera are established: Afrilobus, containing three new species (A. capensis and A. australis from the Cape Province of South Africa, and A. jocquei from Malawi), and Azanialobus, conatining one new species, A. lawrencei, from Transvaal, South Africa"--Page 1
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Languages : en
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Author: Norman I. Platnick
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Category : Losdolobus parana
Languages : en
Pages : 6
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Author: Ansie Dippenaar-Schoeman
Publisher: Penguin Random House South Africa
ISBN: 0799369101
Category : Juvenile Nonfiction
Languages : en
Pages : 433
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This is the first-ever field guide to provide information on a vast spectrum of spider species based on their morphology, behaviour and distribution. It’s the first book to introduce all 70 South African spider families including 370 major genera and more than 860 of the more common species. It includes illustrations of all of the families, genera and species as well as more than 2 000 colour photographs and 843 maps. - A thorough summary of morphology, biology and habitat requirements is provided - Species with medical importance are discussed - The morphological characters of all known spider families from South Africa are provided and illustrated with notes on their behavior as well as further reading material - Short morphological data with notes on behaviour and distribution of 370 major genera and 860 species is provided This field guide’s purpose is to enable observers to identify spiders in the field. One of the difficulties facing a spider-watcher is that a large number of spider species are small and extremely well camouflaged and are therefore not easily seen. For some genera you will need a magnifying glass or microscope to be able to identify the specimen to generic or species level. Many species can only be identified by a specialist who has access to a good microscope and the relevant literature. Most of the spiders were photographed alive in their natural settings and only some rare and smaller species were photographed using a camera mounted on a microscope. The illustrations and descriptions make it easy for an inexperienced spider-watcher to identify many of the common species encountered in and around the house. The spiders were divided according to the free-living species and those that build intricate webs to catch their prey. The free-living spiders were further divided according to those found on the vegetation and those living on the ground. Spiders are an abundant, diverse and highly successful group of animals. They are commonly found on farms, in gardens and also in houses. They are important predators in all terrestrial ecosystems and are regarded as the “best friends” of gardeners and farmers in sustainable agriculture because they have the important task of regulating the numbers of potentially harmful insects and mites. However, they are feared and maligned because of the venom they produce. We hope this field guide will help save the lives of a few spiders. It will be valuable for the man on the street, researchers, conservation agencies, students, gardeners, farmers, as well as spider-watchers and photographers.
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Languages : en
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Author: Petar Beron
Publisher: Springer
ISBN: 3319744186
Category : Science
Languages : en
Pages : 995
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This volume merges all geographical and paleogeographical data on all groups of the arachnofauna. The book features topics such as the ecological factors, climate and other barriers that influence the distribution of arachnida. It also elaborates on the characteristics of the distribution such as arachnida at high altitude (e.g. Himalaya), in caves, in polar regions and highlights differences between the arachnofauna of e.g. Mediterranean regions vs Central Europe, West African vs Indomalayan and more. Furthermore, amongst other topics the volume also includes chapters on the systems of arachnida, fossil orders, dispersal and dispersion, endemics and relicts, regional arachnogeography, cave and high altitude arachnida.
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Languages : en
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