| Project/Area Number |
24570014
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Ecology/Environment
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| Research Institution | Hokkaido University |
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Principal Investigator |
SAITO YUTAKA 北海道大学, -, 名誉教授 (20142698)
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| Co-Investigator(Kenkyū-buntansha) |
ITO Katsura 高知大学, 教育研究部・総合科学系・生命環境医学部門農学部・自然環境学コース (40582474)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | Tetranychidae / Stigmaeopsis / Schizotetranychus / 生活型 / 隠蔽種 / 属分類 / 分子系統 / 生活史 / ハダニ科 / スゴモリハダニ / 造巣行動 / 社会性 / 形態変異 / 分類学 / カシノキハダニ / 歩行器 |
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| Outline of Final Research Achievements |
We studied on life type, life history, behavior and molecular phylogeny of the genera, Stigmaeopsis and Schizotetranychus. Stigmaeopsis longus on Sasa senanensis is different from that on Sasa kuriensis, because there is a reproductive isolation between them. Furthermore, we found out a new criptic species which occurrs on Pleioblastus sp. As a whole, we attempted to conclude the biology of 10 Stigmaeopsis species being distributed in China and Japan, and learned that the adaptive radiation in Stigmaeops must be mainly caused by predation pressure. Stigmaeopsis had been belonged to Schizotetranychus which is one of the big genera in Tetranychidae, but now it was known to be independent genus far from Schizotetranychus. Thus present study strongly suggested that we must thoroughly changed the sytematics of Tetranychidae.
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