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Two new species of the πΆπ‘¦π‘π‘Žπ‘’π‘’π‘  β„Žπ‘–π‘Ÿπ‘œπ‘ β„Žπ‘–π‘šπ‘Žπ‘’π‘›π‘ π‘–π‘ -group (Araneae: Cybaeidae) from the northern Hida Mountains, Japan

Year: 2025
Type: article
Abstract: Two small-sized species of the spider genus πΆπ‘¦π‘π‘Žπ‘’π‘’π‘  L. Koch, 1868, 𝐢. π‘π‘¦π‘π‘›π‘œπ‘‘β„Žπ‘Ÿπ‘–π‘₯ sp. nov. and 𝐢. π‘‘π‘Žπ‘‘π‘’π‘¦π‘Žπ‘šπ‘’π‘›π‘ π‘–π‘  sp. nov., are described based on both sexes from the Tateyama Mountain Range in the Hida Mountains, central Honshu, Japan. Phylogenetic analyses using nuclear internal transcribed spacer 1, 28S rRNA, and histone H3 markers revealed that the two new species are members of the monophyletic Japanese πΆπ‘¦π‘π‘Žπ‘’π‘’π‘  β„Žπ‘–π‘Ÿπ‘œπ‘ β„Žπ‘–π‘šπ‘Žπ‘’π‘›π‘ π‘–π‘ -group. Both new species conform to the morphological diagnosis of the β„Žπ‘–π‘Ÿπ‘œπ‘ β„Žπ‘–π‘šπ‘Žπ‘’π‘›π‘ π‘–π‘ -group β€” small body size and a short, thick male palp β€” and build two-opening retreats, indicating that retreat architecture in the group varies and encompasses both two- and three-opening forms.
Authors: Nakano, Takafumi, Ogawa, Gakuto, Mori, Kei, Hatanaka, Yu, Koike, Naoki, Sugawara, Yusuke
Institution: Kyoto University
Language: English
Subfield: Genetics
Open Access status: green
OpenAlex ID: W7112745740
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