2013 Fiscal Year Final Research Report
Constraints from diapause on life history evolution of insects
| Project/Area Number |
23570035
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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 | Osaka Prefecture University |
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Principal Investigator |
ISHIHARA Michihiro 大阪府立大学, 理学(系)研究科(研究院), 准教授 (40315966)
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| Project Period (FY) |
2011 – 2013
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| Keywords | 休眠のコスト / 生活史の進化 / 季節型 / 表現型可塑性 / 体温調節 / 定着成功 / キアゲハ / イタチハギマメゾウムシ |
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| Research Abstract |
Cost of diapause was detected in an alien bruchid Acanthoscelides pallidipennis as smaller adult body size and less fecundity in diapause generation than in nondiapause one. Because the cost of diapause had greater impact on the population using smaller host seeds in higher latitude, this should affect the success of establishment in high latitude. In contrast, a swallowtail butterfly Papilio machaon did not show cost of diapause. However, in P. machaon there were differences in the adult wing (seasonal) morph and physiology between diapause and nondiapause generation.
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