A new species of the genus Argyrodes from Japan (Araneae, Theridiidae).

Kumada, Ken-ichi

doi:10.2476/asjaa.39.1

Acta Arachnologica

1990

DOI: 10.2476/asjaa.39.1

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A new species of the genus Argyrodes from Japan (Araneae, Theridiidae).

Ken-ichi Kumada¹

Abstract: A New Species of the Genus Argyrodes from Japan (Araneae, Theridiidae) bstract: A new species of the spider family Theridiidae is described from Japan under the name of Argyrodes nipponicus. It is closely related to Argyrodes fur and A, trigonum, but differs from these species in the shape of cephalothorax and the structure of sexual organs. The spiders of the species invade the webs of Agelena limbata and A. opulenta and rarely build their own web.

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2015

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Bibliographic checklist of Korean spiders (Arachnida: Araneae) ver. 2015

Yoo¹,

Lee²,

Im³

et al. 2015

Journal of Species Research

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Biodiversity encompasses variety of all life, including genes, species, communities, and ecosystems (Gaston, 1996). Understanding the biodiversity and distribution of species is an important part of many preservation and conservation programs. Fauna lists are inventories that generally have two main objectives: to aid the establish ment of biodiversity on various scales and to serve as raw material or distributional information for research fields, such as taxonomy, ecology, and physiology. Fau na lists that have a key function in many fields can be composed for various ecosystems at national or regional scales.Spiders are a ubiquitous and important predator group with high richness and abundance among invertebrates; they occur in many natural, as well as in agricultural ecosystems (Howell and Pienkowski, 1971;Nyffeler and Benz, 1987). Spiders are the largest order of arachnids and rank seventh in the total species diversity among all other groups of organisms (Sebastin and Peter, 2009), with 44,906 recorded species of 3,935 genera belonging to 114 families, as of June 2014 (Platnick, 2014). Spi ders, which have a distinct ecological niche, play sever al important roles in ecosystems: 1) as a component of biodiversity, 2) by contributing to material circulation and energy transfer through preying on many animals in higher trophic levels in the food web, 3) as a natural enemy that feed on many agricultural and forest insect pests, 4) as indicator species detecting environmental changes, such as global warming and environmental pol lution, and 5) providing physiologically active substan ces, such as poison and spider thread, which has used in many research fields.To date, the list of Korean spiders has been revised 24 times from 1956 to 2015 (Paik and Kim, 1956;

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Bibliographic checklist of Korean spiders (Arachnida: Araneae) ver. 2015

Yoo¹,

Lee²,

Im³

et al. 2015

Journal of Species Research

View full text Add to dashboard Cite

show abstract

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A new species of the genus Argyrodes from Japan (Araneae, Theridiidae).

Cited by 1 publication

References 1 publication

Bibliographic checklist of Korean spiders (Arachnida: Araneae) ver. 2015

Bibliographic checklist of Korean spiders (Arachnida: Araneae) ver. 2015

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