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タイトル: | A new species of Cybaeus L. Koch, 1868 (Araneae, Cybaeidae) with simple genitalia from central Japan is the sister species of C. melanoparvus Kobayashi, 2006 with elongated genitalia |
著者: | Sugawara, Yusuke Ihara, Yoh Nakano, Takafumi https://orcid.org/0000-0001-6107-2188 (unconfirmed) |
著者名の別形: | 菅原, 優介 中野, 隆文 |
キーワード: | Arachnida Cybaeus koikei sp. nov. molecular phylogeny RTA clade spermatheca |
発行日: | 2021 |
出版者: | Pensoft Publishers |
誌名: | Zoosystematics and Evolution |
巻: | 97 |
号: | 1 |
開始ページ: | 223 |
終了ページ: | 233 |
抄録: | Spiders of the genus Cybaeus L. Koch, 1868 exhibit two major centers of diversity: Western North America and Japan. Several Japanese Cybaeus possess an elongated embolus in the male palp and elongated tubular spermathecae in the female genitalia. Here we describe Cybaeus koikei sp. nov. from central Honshu, Japan, which has an unelongated embolus and bulbous spermathecae. Phylogenetic analyses using nuclear and mitochondrial gene markers clearly support the monophyly of C. koikei sp. nov. and Cybaeus melanoparvus Kobayashi, 2006, a species with elongated genitalia. Both species share a similar habitus and a cluster of robust setae on the lateral surface of the male palpal patella. The latter is considered a synapomorphy for C. koikei sp. nov. and C. melanoparvus. A supplementary description of the spermathecae of C. melanoparvus is also provided. |
著作権等: | Copyright Yusuke Sugawara et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
URI: | http://hdl.handle.net/2433/265261 |
DOI(出版社版): | 10.3897/zse.97.64473 |
出現コレクション: | 学術雑誌掲載論文等 |
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