Sexual isolation between three forms of flightless Chrysolina leaf beetles(Coleoptera : Chrysomelidae)parapatrically distributed in the vicinity of Sapporo, Hokkaido, northern Japan
スポンサーリンク
概要
- 論文の詳細を見る
Three closely related forms of flightless leaf beetles belonging to the Chrysolina angusticollis species complex are parapatrically distributed in the vicinity of Sapporo, Japan. We studied sexual isolation between the three forms by no choice and multiple choice designs of crossing experiments. Sexual isolation was strong, the isolation index according to Malogolowkin-Cohen et al. (1965) being 0.350-0.951, but not enough to completely prevent gene flow between the forms. Furthermore, sperms kept by females of different forms were viable and active, although the quantity was smaller in some heterogamic combinations. The results suggest that a strong postzygotic isolation operates in the contact zones of these strictly parapatric forms.
- 日本遺伝学会の論文
著者
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Katakura Haruo
Division of Biological Sciences, Graduate School of Science, Hokkaido University
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Saitoh Satoru
Department Of Periodontology Niigata University School Of Dentistry
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Katakura Haruo
Division Of Biological Sciences Graduate School Of Science Hokkaido University
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Saitoh Satoru
Division Of Biological Sciences Graduate School Of Science Hokkaido University
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Saitoh S
Division Of Biological Sciences Graduate School Of Science Hokkaido University
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AOKI Motohiko
Division of Biological Sciences, Graduate School of Science, Hokkaido University
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Aoki Motohiko
Division Of Biological Sciences Graduate School Of Science Hokkaido University
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Katakura Haruo
Division Of Biological Science Graduate School Of Science Hokkaido University
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