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2002 Fiscal Year Final Research Report Summary

Evolution of eusociality by using paper wasps as model organisms

Research Project

Project/Area Number 12304048
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field 生態
Research InstitutionKYUSHU UNIVERSITY

Principal Investigator

KASUYA Eiji  Fac. Sciences, Ass. Prof., 大学院・理学研究院, 助教授 (00161050)

Co-Investigator(Kenkyū-buntansha) YAMANE Seki  Kagoshima Univ. Fac. Science, Prof., 理学部, 教授 (30145453)
MIYANO Sinya  Nat. Hist. Mus. Inst, Department Head, 研究科長 (20250152)
SUZUKI Tadashi  Tokyo Metropolitan Univ., Fac. Science, Ass. Prof., 大学院・理学研究科, 助教授 (40128575)
YAMANE Soichi  Ibaraki Univ. Fac. Education, Prof., 教育学部, 教授 (40091871)
MAKINO shunichi  Forest Forest. Prod. Res. Inst., Laboratory Chief, 研究室長(研究職)
Project Period (FY) 2000 – 2002
Keywordspaper wasps / eusociality / kin selection / altruism / queen / relatedness / social insect / wasp
Research Abstract

Evolution of eusociality in paper wasps was studied by using three approaches, (1) estimation of relatedness among individuals, (2) measuring the benefit and cost accompanying with eusociality, and (3) analysis of phylogenetic relationships. Methods for experimental analyses both in field and laboratory were developed. Highly variable genetic markers are necessary for the estimation of relatedness among individual wasps. We used micro satellite DNA as the genetic marker for this purpose. This demonstrated the monoandry of queens and the absence of worker opposition in queen right colonies in some species, and the unique features of species with worker oviposition like Polistes chinensis. The benefit and cost with eusociality were measured by using the demographic data. This method of the estimation has been considered as best at present. We made the quantitative evaluation of the hypotheses for the evolution of eusociality including 3/4 kin selection hypothesis, from the estimated relatedness, cost and benefit. We also made the quantitative assessment of direct and indirect (via reproduction of other individuals) effects on inclusive fitness. The validity of the assumptions in the estimation, which were implicit or explicit, were examined by the results of the experimental studies. Phylogenetic trees were constructed by using the sequence data of DNA. They also enabled the analyses of the trait evolution in paper wasps.

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] Kumano, N., Kasuya, E: "Why do workers of the primitively eusocial wasp Polistes chinensis antennalis remain at their natal nest?"Animal Behaviour. 61. 655-660 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Inagawa, K., J.Kojima, K.Sayama, K.Tsuchida: "Colony productivity of the paper wasp Polistes snelleni"Insectes Sociaux. 48. 259-265 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kudo, K.: "Growth rate and body weight of foundress-reared offspring in a paper wasp, Polistes chinensis"Insectes Sociaux. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tsuchida, K., Nagata, N, Kojima, J.: "Diplold males and sex determination in a paper wasp, Polistes chinensis antennalis"Insectes Sociaux. 49. 120-124 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Suzuki, T.: "Queen replacement without gerontocracy in a paper wasp Parapolybia indica in temperate Japan"Ethology Ecology Evolution. (印刷中).

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kojima, J.: "A critique of variable reduction methods to analyze morphological caste differences in social wasps"Journal of the New York Entomological Society. 108. 332-338 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kumano, N. & Kasuya, E: "Why do workers of the primitively eusocial wasp Polistes chinensis antennalis remain at their natal nest?"Animal Behavior. 61. 655-660 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Inagawa, K., J.Kojima, K.Sayama & K.Tsuchida: "Colony productivity of the paper wasp Polistes snelleni"Insectes Sociaux. 48. 259-265 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kudo, K.: "Growth rate and body weight of foundress-reared offspring in a paper wasp, Polistes chinensis"Insectes Sociaux. in press.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tsuchida, K., Nagata, N, & Kojima, J.: "Diploid males and sex determination in a paper wasp, Polistes chinensis antennalis"Insectes Sociaux. 49. 120-124 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Suzuki, T.: "Queen replacement without gerontocracy in a paper wasp Parapolybia indica in temperate Japan"Ethology Ecology Evolution. in press.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kojima, J.: "A critique of variable reduction methods to analyze morphological caste differences in social"Journal of the New York Entomological Society. 108. 332-338 (2001)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2004-04-14  

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