A new monotypic genus of cobweb spiders from the Russian Far East (Araneae, Theridiidae)

A new theridiid spider, , is described from the Kuril Islands (Kunashir). The new genus belongs to the ' clade (clade 24)' of Agnarsson (2004). A pair of raised, fused setal sockets on the cheliceral promargin adjacent to the fang base was found to be another synapomorphy of all the '...

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Bibliographic Details
Published in:ZooKeys 2024-01, Vol.1195 (1), p.219-238
Main Authors: Marusik, Yuri M, Eskov, Kirill Y
Format: Article
Language:English
Subjects:
Abdomen
Discovery and exploration
Females
Identification and classification
Islands
Microscopy
Museums
New genera
New species
Physiological aspects
Spiders
Taxonomy
Zoology
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Description
Summary:A new theridiid spider, , is described from the Kuril Islands (Kunashir). The new genus belongs to the ' clade (clade 24)' of Agnarsson (2004). A pair of raised, fused setal sockets on the cheliceral promargin adjacent to the fang base was found to be another synapomorphy of all the 'distal theridiids' (the 'elongated central claw clade (clade 33)': argyrodins, ' clade' and theridiins). demonstrates a male polymorphism similar to some Simon, 1891 species (e.g., (Hentz, 1850)).
ISSN:1313-2989
1313-2970
DOI:10.3897/zookeys.1195.118632