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Weak parasitoid-mediated apparent competition between two Phyllonorycter (Lepidoptera: Gracillariidae) leaf miner species on a deciduous oak Quercus dentata

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タイトル: Weak parasitoid-mediated apparent competition between two Phyllonorycter (Lepidoptera: Gracillariidae) leaf miner species on a deciduous oak Quercus dentata
著者: Nakamura, Takashi 著作を一覧する
Kimura, Masahito T. 著作を一覧する
キーワード: parasitism
tissue-feeding larvae
wasps
発行日: 2009年 9月
出版者: Blackwell Publishing
誌名: Entomological Science
巻: 12
号: 3
開始ページ: 227
終了ページ: 231
出版社 DOI: 10.1111/j.1479-8298.2009.00335.x
抄録: Parasitoid assemblages and the rates of parasitism on tissue-feeding larvae of two Phyllonorycter leafminer species, P. persimilis and P. leucocorona, were studied from the autumn generation in 2002 to the summer generation in 2005 to understand whether parasitoids mediate interactions of the two leaf species. Fourteen species of parasitoids emerged from P. persimilis and 11 species emerged from P. leucocorona. The parasitism rate was high; i.e., 24.1-92.6% in P. persimilis and 58.9-81.7% in P. leucocorona. Thus, parasitism was a major mortality factor in the present Phyllonorycter species. The parasitoid composition was distinctly different between the two host species, although most parasitoids were able to parasitize both leafminer species. The analysis based on the quantitative parasitoid overlap revealed that the present parasitoids could mediate interactions between the present leafminer species, but their effects would be weak. This is attributable to that most parasitoids preferentially parasitize either of the leafminer species.
Rights: The definitive version is available at www.blackwell-synergy.com
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/43813
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 木村 正人

 

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