Sexual isolation between three forms of flightless Chrysolina leaf beetles(Coleoptera : Chrysomelidae)parapatrically distributed in the vicinity of Sapporo, Hokkaido, northern Japan

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Three closely related forms of flightless leaf beetles belonging to the <i>Chrysolina</i> <i>angusticollis</i> 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.<br>

収録刊行物

  • Genes & genetic systems

    Genes & genetic systems 71(3), 139-144, 1996-06

    The Genetics Society of Japan

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各種コード

  • NII論文ID(NAID)
    10003759757
  • NII書誌ID(NCID)
    AA11077421
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13417568
  • NDL 記事登録ID
    4163714
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z53-W539
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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