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Comparisons of evolutionary history among termitophilous insects associated with the same termite species

Research Project

Project/Area Number 19K16220
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 45030:Biodiversity and systematics-related
Research InstitutionYamagata University (2020-2022)
Okinawa Institute of Science and Technology Graduate University (2019)

Principal Investigator

Kanao Taisuke  山形大学, 理学部, 助教 (40758421)

Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords好白蟻性 / 種分化 / 寄主特異性 / 系統解析 / ミトコンドリア / 未記載種 / 好白蟻性昆虫 / 野外調査 / DNA実験 / 種多様性 / 分類学 / 系統地理学 / 進化
Outline of Research at the Start

同種のシロアリと種特異的に関わる複数の好白蟻性昆虫は、寄主との共進化を通して同様の分布拡大や地史的イベントを経験している。そのため、好白蟻性昆虫の種や形態の多様化は、それぞれの祖先形質などの系統的な特性を反映していると予想される。本研究は、東南アジアにおける野外調査と分子系統学的アプローチにより、同種のシロアリを寄主とする複数の好白蟻性昆虫の進化史を系統間で比較し、シロアリの巣に見られる生物多様性の成り立ちを解明する。また、得られた成果を分類学的にまとめることで、好白蟻性昆虫の種多様性の実態を明らかにする。

Outline of Final Research Achievements

I performed phylogenetic analyses and taxonomic review for termitophilous insects (rove beetles, silverfishes, and black fungus gnats) associated with Longipeditermers termites distributed in Southeast Asia. Because termitophilous insects generally have strong host specificity, the insects associated with the same termite species should experience the same historical events. As the results of the analysis, I found that the degrees of genetic variation and morphological diversification were different among the insect groups. The results also detected several undescribed species in all insect groups.

Academic Significance and Societal Importance of the Research Achievements

生物多様性は、複雑な地形への適応や生物間の共生・競争関係、同所的な生息空間のシフトなど様々な要因によって創出されてきたと考えられている。しかし、それぞれの要因が生物の多様化に与えた影響を、生物間で単純に比較することは難しい。本研究は、強い寄主特異性を持ち、同種のシロアリを寄主とする複数の好白蟻性昆虫に着目することで、系統的に離れた分類群間の進化史を比較し、上述の諸要因や系統的な要因が形態の多様化に与える影響を明らかにした。

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

    (6 results)

All 2022 2021 2019 Other

All Int'l Joint Research (1 results) Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 1 results) Presentation (1 results) (of which Int'l Joint Research: 1 results)

  • [Int'l Joint Research] Universiti Sains Malaysia/Forest Department of Sarawak(マレーシア)

    • Related Report
      2019 Research-status Report
  • [Journal Article] Termite nest evolution fostered social parasitism by termitophilous rove beetles2022

    • Author(s)
      Mizumoto Nobuaki、Bourguignon Thomas、Kanao Taisuke
    • Journal Title

      Evolution

      Volume: - Issue: 5 Pages: 1064-1072

    • DOI

      10.1111/evo.14457

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] The First Record of Termitophilous Trichopsenius (Coleoptera, Staphylinidae) from a Nest of Reticulitermes flaviceps (Blattodea, Rhinotermitidae) in Yonaguni-jima Island.2021

    • Author(s)
      Takao Konishi, Taisuke Kanao
    • Journal Title

      Elytra

      Volume: 11 Pages: 315-316

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] New Distributional Records of Two Termitophilous Rove Beetles (Coleoptera, Staphylinidae) in Japan2019

    • Author(s)
      Taisuke Kanao, Ryutaro Iwata Tsubasa Sakaki, Hironobu Hirose, and Masashi Yoshimura
    • Journal Title

      Elytra New Series

      Volume: 9 Pages: 39-40

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] A New Species of the Termitophilous Genus Trichopsenius Horn, 1877 (Coleoptera, Staphylinidae, Aleocharinae) from Morocco2019

    • Author(s)
      Taisuke Kanao and Munetoshi Maruyama
    • Journal Title

      Elytra New Series

      Volume: 9 Pages: 297-303

    • NAID

      40022132751

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] Multiple evolution of termitophily in the rove beetle subfamily Aleocharinae2022

    • Author(s)
      Taisuke Kanao
    • Organizer
      International Congress of Entomology
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research

URL: 

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

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