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Test of the "cascade reinforcement" and character displacement on multiple characters of seashore flightless weevils

Research Project

Project/Area Number 19K06790
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 45020:Evolutionary biology-related
Research InstitutionKyushu University

Principal Investigator

Matsubayashi Kei  九州大学, 基幹教育院, 助教 (60528256)

Co-Investigator(Kenkyū-buntansha) 小島 弘昭  東京農業大学, 農学部, 教授 (80332849)
Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords形質置換 / 波及的隔離強化 / 種間競争 / 交尾器 / 海浜性昆虫 / 色彩多型 / 種分化 / 種間相互作用 / 繁殖干渉 / 雄交尾器内袋骨片 / 海浜性ゾウムシ / 系統地理 / 移動分散
Outline of Research at the Start

飛翔能力を欠く日本の海浜性ゾウムシの近縁な2種では、オス交尾器内袋骨片の形状と鞘翅色彩について形質置換が示唆されている。この2種間では他にも複数の形質が形質置換を示す可能性があるため、その様相を集団間比較によって明らかにする。さらに、このような種間での形質置換が波及的に種内異所的集団間の生殖隔離を発達させる “波及的隔離強化”について検証する目的で、これらのゾウムシを用いた形態計測、飼育交配実験、分子集団遺伝学的解析、野外観察などを通して、形質置換の生態的要因および進化的背景を調査する。

Outline of Final Research Achievements

In the two closely related species of beach weevils, we investigated (1) reproductive character displacement, and (2) whether reproductive isolation is strengthened between the two species corresponding to the difference in reproductive trait. As a results, it is clearly showed that Scepticus tigrinus has larger genitalia in sympatric area than those in the allopatric area to the closely related S. griseus, whereas S. griseus has smaller genitalia in the sympatric area compare to those in allopatric area. This reproductive character displacement is presumed to have recently evolved locally where the distributions overlap. On the other hand, there no clear correlation between the degrees of morphological differences of male genitalia and the strength of reproductive isolation.

Academic Significance and Societal Importance of the Research Achievements

生殖器における形質置換は近縁な生物間でしばしば観察される現象だが、それがどのような原因でいつどの集団で起きているか、そしてそれが他の隔離要因と一緒に進化しているかどうかについては詳細に調べられてこなかった。今回の研究においては、ゾウムシで起きている生殖的形質置換が異種に対する間違い交尾に起因した繁殖干渉によって生じていること、そしてそれがごく最近に2種のゾウムシが同所的に生息し始めてから生じたということが明らかになった。これは現在進行形で起きている形質置換の好例として、生殖形質以外の生態的形質における形質置換への影響などといった、さらなる発展が期待できるものである。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (21 results)

All 2023 2022 2021 2020 2019

All Journal Article (16 results) (of which Peer Reviewed: 13 results,  Open Access: 1 results) Presentation (5 results) (of which Invited: 3 results)

  • [Journal Article] 総論:昆虫の海を越えた分散パターンとメカニズム2023

    • Author(s)
      松林 圭
    • Journal Title

      昆虫と自然

      Volume: 58 Pages: 2-4

    • Related Report
      2022 Annual Research Report
  • [Journal Article] Additional record of Parendymia pillages Kirsch (Coleoptera, Curculionidae), a potential pest of mangroves from Iriomote-jima Island, the Ryukyus, Japan2021

    • Author(s)
      Yamamoto, M., S. Tachikake, N. Imai & H. Kojima
    • Journal Title

      Elytra, n. ser.

      Volume: 11 Pages: 379-384

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] 海浜性昆虫の“浮遊分散”仮説を検証する2021

    • Author(s)
      上野、松林
    • Journal Title

      海洋と生物

      Volume: 43 Pages: 46-52

    • Related Report
      2020 Research-status Report
  • [Journal Article] Weevils (Coleoptera, Curculionoidea) Associated with Ferns in Japan2020

    • Author(s)
      Hiroaki Kojima, Sae Furuhashi, Hiraku Yoshitake and Futoshi Miyamoto
    • Journal Title

      Elytra, new series

      Volume: 10 Pages: 5-18

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] First record of Allaeotes niger He, Zhang and Pelsue (Coleoptera, Dryophthoridae, Stromboscerinae) from Japan2020

    • Author(s)
      Hiroaki Kojima, Yusuke Fujisawa
    • Journal Title

      Nodai Entomology

      Volume: 2 Pages: 10-13

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] A new species of Amystax Roelofs, 1873 endemic to the mountainous area of the Yakushima World Natural Heritage site, Kyushu, Japan2020

    • Author(s)
      Hiroaki Kojima, Takeshi Yoro
    • Journal Title

      Zootaxa

      Volume: 4732 Pages: 495-500

    • Related Report
      2020 Research-status Report 2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Unexpectedly long survivorships on the sea water of multiple coastal beetles indicate the possibility of ‘floating dispersal' for trans-oceanic migration2020

    • Author(s)
      Ueno H., Kitagawa L., Matsubayashi, K. W
    • Journal Title

      Entomological Science

      Volume: - Issue: 3 Pages: 294-296

    • DOI

      10.1111/ens.12424

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] 種のちがいを量る2019

    • Author(s)
      松林 圭
    • Journal Title

      日本生態学会誌

      Volume: 69 Pages: 171-182

    • NAID

      130007771843

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 種の境界:進化学と生態学、分子遺伝学から種分化に迫る -序論と趣旨説明-2019

    • Author(s)
      山口 諒、松林 圭
    • Journal Title

      日本生態学会誌

      Volume: 69 Pages: 145-149

    • NAID

      130007771842

    • Related Report
      2019 Research-status Report
  • [Journal Article] Record of four dryophthorid weevils (Coleoptera, Curculionoidea) new to the fauna of Satsuma-Kuroshima Island, the Osumi Islands, Kyushu, Japan2019

    • Author(s)
      Kojima H., Kaneko N., Shimamoto S
    • Journal Title

      Nodai Entomology

      Volume: 1 Pages: 9-10

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Confirmation of the presence of Anosimus decoratus Roelofs (Coleoptera, Curculionidae, Entiminae) on Yakushima Island, Kyushu, Japan2019

    • Author(s)
      Kojima H., Yoro T
    • Journal Title

      Nodai Entomology

      Volume: 1 Pages: 6-8

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Reconfirmation of presence of three pest weevils (Coleoptera, Dryophthoridae) on Banana on Yakushima Island, Kyushu, Japan2019

    • Author(s)
      Kojima H., Suzuki K., Yoro T
    • Journal Title

      Nodai Entomology

      Volume: 1 Pages: 5-5

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Four weevils of the subtribe Ochyromerina (Coleoptera, Curculionidae, Curculioninae, Tychiini) new to the fauna of Yakushima Island, Kyushu, Japan2019

    • Author(s)
      Kojima H., Saeki T., Yoro T
    • Journal Title

      Nodai Entomology

      Volume: 1 Pages: 3-4

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] A new plant host record for adult of Euphyllobiomorphus kurosawai Morimoto (Coleoptera, Curculionidsae, Entiminae), endemic to Yakushima Island, Kyushu, Japan2019

    • Author(s)
      Kojima H., Yoro T
    • Journal Title

      Nodai Entomology

      Volume: 1 Pages: 1-2

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Biological notes on threatened celeuthetine weevil, Torishimazo lineatus (Coleptera, Curculionidae), endemic to the Ogasawara Islands, Tokyo, Japan2019

    • Author(s)
      Kojima H., Nagano H
    • Journal Title

      Elytra

      Volume: 9 Pages: 391-394

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Biological notes on celeuthetine weevils of the genus Ogasawarazo, subgenus Ogasawarazo (Colepotera, Curculionidae, Entiminae) endemic to the Ogasawara Islands, Tokyo, Japan2019

    • Author(s)
      Kojima H., Nagano H
    • Journal Title

      Elytra

      Volume: 9 Pages: 385-390

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] 砂浜で闘うゾウムシ ~種間相互作用と環境への適応が促す多様化~2022

    • Author(s)
      松林圭
    • Organizer
      第69回日本生態学会大会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 甲虫における「海流分散」の可能性 ~海水耐性と遺伝的分化の関係から見えてきたこと~2022

    • Author(s)
      上野弘人、北川耕咲、東悠斗、荒谷邦雄、松林圭
    • Organizer
      第69回日本生態学会大会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] ハマヒョウタンゴミムシダマシは逆立ちして海を渡るのか?2021

    • Author(s)
      松林圭、上野弘人
    • Organizer
      第81回日本昆虫学会大会
    • Related Report
      2021 Research-status Report
  • [Presentation] 変異、それとも形質置換?海浜性ゾウムシの交尾器に見る種間相互作用2021

    • Author(s)
      松林 圭
    • Organizer
      日本生態学会大会
    • Related Report
      2020 Research-status Report
  • [Presentation] やっかいなお隣さんが多様性を生み出す?2020

    • Author(s)
      松林圭
    • Organizer
      日本生態学会大会
    • Related Report
      2019 Research-status Report
    • Invited

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Published: 2019-04-18   Modified: 2024-01-30  

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