Geographic variation and body size differentiation in the medium-sized species of the genus Cybaeus (Araneae: Cybaeidae) in northern Kyushu, Japan, with descriptions of two new species
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- Ihara Yoh
- Hiroshima Environment & Health Association
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説明
Distribution and geographic variation of the four medium-sized species of the genus Cybaeus (Araneae: Cybaeidae) collected from northern Kyushu, Japan, were examined in detail. They are C. kuramotoi, C. ashikitaensis, C. kokuraensis n. sp. and C. yufuin n. sp. Of these, Cybaeus kuramotoi has the widest distributional range covering most of western Japan. On the other hand, distribution of C. ashikitaensis is separated into two disjunct areas, Kyushu and eastern part of the Chugoku Mountains of Honshu. Cybaeus kokuraensis and C. yufuin are endemic to Kyushu and have very limited distributional ranges. Of the four medium-sized species, two or three species are often sympatrically found in northern Kyushu, although the kuramotoi-group and C. ashikitaensis are parapatric in Okayama and Hyogo Prefecture, western Honshu. There is a slight difference in body size and coloration between these species when they occur sympatrically.
収録刊行物
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- Acta Arachnologica
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Acta Arachnologica 56 (1), 1-14, 2007
日本蜘蛛学会
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詳細情報 詳細情報について
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- CRID
- 1390001205084936576
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- NII論文ID
- 10022018665
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- NII書誌ID
- AN00000074
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- ISSN
- 18807852
- 00015202
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- NDL書誌ID
- 8957158
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可