The Andean Goblin Spiders Of The New Genus Scaphidysderina Araneae Oonopidae With Notes On Dysderina
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The Andean Goblin Spiders Of The New Genus Scaphidysderina Araneae Oonopidae With Notes On Dysderina
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Author : Norman I. Platnick
language : en
Publisher:
Release Date : 2011
The Andean Goblin Spiders Of The New Genus Scaphidysderina Araneae Oonopidae With Notes On Dysderina written by Norman I. Platnick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Costarina categories.
Dysderina Simon is one of the largest of the classical genera of goblin spiders, containing numerous species that have been associated only because they are heavily scutate gamasomorphines with long, paired spines on the ventral surface of the anterior tibiae and metatarsi. The Old World species that have been assigned to the genus are wildly misplaced, and the New World fauna constitutes a complex of over 225 species belonging to at least nine genera. The northern Andes house a highly diverse fauna, both of Dysderina itself and of closely related genera. The new genus Scaphidysderina is established for one of those related but distinct Andean groups, characterized by a crenulated sternum and by the reduction or loss of the dorsal abdominal scutum in females. Seventeen new species are described from Peru (S. manu, S. pagoreni, S. scutata, S. cajamarca), Ecuador (S. tayos, S. loja, S. molleturo, S. tapiai, S. pinocchio, S. palenque, S. tandapi, S. napo, S. baerti, S. cotopaxi, S. andersoni), and Colombia (S. hormigai, S. iguaque). Males of several species show remarkable modifications of the chilum and chelicerae; the chilum is sometimes enlarged to form a conspicuous snout, and the chelicerae often bear a heavily sclerotized, dorsally directed spine. A second new genus, Costarina, is established to contain the most commonly encountered species that have been misplaced in Dysderina; Dysderina plena O.P.-Cambridge, from Mexico, is chosen as the type species, and 15 additional taxa, all described from Central America by Chickering, are transferred from Dysderina to Costarina: D. abdita, D. belinda, D. concinna, D. dura, D. humphreyi, D. improvisa, D. intempina, D. meridina, D. obtina, D. potena, D. recondita, D. rigida, D. seclusa, D. silvatica, and D. watina.
The Andean Goblin Spiders Of The New Genus Scaphidysderina Araneae Oonopidae With Notes On Dysderina
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Author : Norman I. Platnick
language : en
Publisher:
Release Date : 2011
The Andean Goblin Spiders Of The New Genus Scaphidysderina Araneae Oonopidae With Notes On Dysderina written by Norman I. Platnick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Costarina categories.
Dysderina Simon is one of the largest of the classical genera of goblin spiders, containing numerous species that have been associated only because they are heavily scutate gamasomorphines with long, paired spines on the ventral surface of the anterior tibiae and metatarsi. The Old World species that have been assigned to the genus are wildly misplaced, and the New World fauna constitutes a complex of over 225 species belonging to at least nine genera. The northern Andes house a highly diverse fauna, both of Dysderina itself and of closely related genera. The new genus Scaphidysderina is established for one of those related but distinct Andean groups, characterized by a crenulated sternum and by the reduction or loss of the dorsal abdominal scutum in females. Seventeen new species are described from Peru (S. manu, S. pagoreni, S. scutata, S. cajamarca), Ecuador (S. tayos, S. loja, S. molleturo, S. tapiai, S. pinocchio, S. palenque, S. tandapi, S. napo, S. baerti, S. cotopaxi, S. andersoni), and Colombia (S. hormigai, S. iguaque). Males of several species show remarkable modifications of the chilum and chelicerae; the chilum is sometimes enlarged to form a conspicuous snout, and the chelicerae often bear a heavily sclerotized, dorsally directed spine. A second new genus, Costarina, is established to contain the most commonly encountered species that have been misplaced in Dysderina; Dysderina plena O. P.-Cambridge, from Mexico, is chosen as the type species, and 15 additional taxa, all described from Central America by Chickering, are transferred from Dysderina to Costarina: D. abdita, D. belinda, D. concinna, D. dura, D. humphreyi, D. improvisa, D. intempina, D. meridina, D. obtina, D. potena, D. recondita, D. rigida, D. seclusa, D. silvatica, and D. watina.
Andean Goblin Spiders Of New Genus Scaphidysderina Araneae Oonopidae With Notes On Dysderina American Museum Novitates No 3712
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Author :
language : en
Publisher:
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Andean Goblin Spiders Of New Genus Scaphidysderina Araneae Oonopidae With Notes On Dysderina American Museum Novitates No 3712 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The Andean Goblin Spiders Of The New Genera Paradysderina And Semidysderina Araneae Oonopidae
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Author : Norman I. Platnick
language : en
Publisher:
Release Date : 2011
The Andean Goblin Spiders Of The New Genera Paradysderina And Semidysderina Araneae Oonopidae written by Norman I. Platnick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Oonopidae categories.
A new genus, Paradysderina, is established for a speciose group of Andean goblin spiders belonging to the Dysderina complex. Members of Paradysderina resemble those of Scaphidysderina Platnick and Dupérré in having the dorsal abdominal scutum of females either greatly reduced or entirely absent, but lack the highly crenulated sternum characteristic of Scaphidysderina and have instead a distinctively flattened, rugose sternal surface. Males of various species of Paradysderina show a wide range of remarkable autapomorphies, including projections at the sides of the clypeus and various kinds of excavations and projections on or between the chelicerae. Several species share the highly unusual occurrence of asymmetry between the left and right male pedipalps; in some species the asymmetry involves the size of the palpal bulb, but in those and other cases, the embolus structure also differs consistently between the two sides, to such an extent that if the left and right palps were studied in isolation, they would be considered to belong to different species. Dysderina globosa (Keyserling) from Colombia and D. montana (Keyserling) from Peru are transferred to Paradysderina, and their males are described for the first time. A total of 52 new species are described, including 26 from Peru (P. watrousi, P. consuelo, P. excavata, P. silvae, P. malkini, P. maldonado, P. asymmetrica, P. apurimac, P. convencion, P. macho, P. tambopata, P. schizo, P. wygodzinskyi, P. newtoni, P. thayerae, P. carpish, P. rothae, P. tabaconas, P. sauce, P. piura, P. tambo, P. fatima, P. bagua, P. yasua, P. loreto, and P. pithecia), 15 from Ecuador (P. zamora, P. lostayos, P. puyo, P. hermani, P. yanayacu, P. baehrae, P. righty, P. centro, P. fusiscuta, P. lefty, P. vlad, P. yasuni, P. dracula, P. pecki, and P. sucumbios), and 11 from Colombia (P. imir, P. pinzoni, P. leticia, P. pira, P. vaupes, P. huila, P. chingaza, P. boyaca, P. carrizal, P. monstrosa, and P. chinacota); P. loreto is also recorded from far western Amazonas, Brazil. A second new genus, Semidysderina, is established for species that share with Scaphidysderina and Paradysderina the absence of a dorsal scutum in females and a spinneret scutum in both sexes, but differ in having a groove connecting the posterior spiracles. Six new species of Semidysderina are described from Colombia (S. lagila, S. kochalkai, S. donachui, S. marta, S. mulleri, and S. sturmi). At least four of these species, from the Sierra Nevada de Santa Marta, are remarkable for the retention of a distinct seam between the male palpal cymbium and bulb.
Behaviour And Ecology Of Spiders
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Author : Carmen Viera
language : en
Publisher: Springer
Release Date : 2017-11-02
Behaviour And Ecology Of Spiders written by Carmen Viera and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-02 with Science categories.
Within the last few decades, arachnology in the Neotropical region has experienced a great development filling the knowledge gap in one of the most diverse regions of the world. Nevertheless, large geographical areas remain poorly sampled, especially within the Amazon, and new genera and species have been continuously discovered, even in urban areas. In congruence with the recent improvements in research, several aspects of the ecology, behaviour and natural history of spiders, such as interactions with other predators and parasitoids, social interactions, dispersal patterns, habitat requirements, mating behaviors, among others, are being carefully investigated. These recent contributions incorporate substantial information on the preexisting knowledge on these subjects every year. Our main objective with this book is to present a summary on these new researches and on the currently knowledge on the main subjects involved in the general theme, emphasizing the contribution of the rich fauna of the Neotropical region to the research of behaviour and ecology of the spiders.
Spider Research In The 21st Century
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Author : David Penney
language : en
Publisher:
Release Date : 2013
Spider Research In The 21st Century written by David Penney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Spiders categories.
The result is a great increase in multi-disciplinary research and novel avenues incorporating spiders as model organisms.
The Amazonian Goblin Spiders Of The New Genus Gradunguloonops Araneae Oonopidae
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Author : Cristian J. Grismado
language : en
Publisher:
Release Date : 2015
The Amazonian Goblin Spiders Of The New Genus Gradunguloonops Araneae Oonopidae written by Cristian J. Grismado and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Spider Families Of The World
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Author : Rudy Jocqué
language : en
Publisher:
Release Date : 2006
Spider Families Of The World written by Rudy Jocqué and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Arachnida categories.
This book provides a concise overview and descriptions of the 107 spider families that are presently recognized. It contains identification keys to the families and to the different kinds of spider webs, and shortcuts to remarkable types of spiders.
The Andean Cloud Forest
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Author : Randall W. Myster
language : en
Publisher: Springer Nature
Release Date : 2020-11-12
The Andean Cloud Forest written by Randall W. Myster and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-12 with Science categories.
A book focused solely on Andean Cloud Forests (ACF) has never been published. ACF are high biodiversity ecosystems in the Neotropics with a large proportion of endemic species, and are important for the hydrology of entire regions. They provide water for large parts of the Amazon basin, for example. Here I take advantage of my many years working in ACF in Ecuador, to edit this book that contains the following sections: (1) ACF over space and time, (2) Hydrology, (3) Light and the Carbon cycle, (4) Soil, litter, fungi and nutrient cycling, (5) Plants, (6) Animals, and (7) Human impacts and management. Under this premise, international experts contributed chapters that consist of reviews of what is known about their topic, of what research they have done, and of what needs to be done in the future. This work is suitable for graduate students, professors, scientists, and researcher-oriented managers.
The Suborders Of Spiders
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Author : Norman I. Platnick
language : en
Publisher:
Release Date : 1976
The Suborders Of Spiders written by Norman I. Platnick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Arachnida categories.