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Genetic relatedness and evolution of insect sociality

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Summary

Genetic relatedness is a vital concept in the study of the evolution of social behaviour because it can be used to predict gene transmission into future generations. Any models using genetic relatedness to predict the course of social evolution have to take into account that this relatedness, when defined as genotypic regression, is affected by selection and that the evolution also depends on specific assumptions concerning the cost/benefit ratios. In this paper these problems are shown to exist in recent studies examining the evolution of worker behaviour in insects; these studies are reanalysed using allele frequency models, and the results compared with those from other models.

It is shown that cyclic inbreeding (alternating outbred and inbred generations) can favour worker evolution in diploid populations but is a necessary condition only within a very limited range of the cost/benefit ratio.

Male-haploid models show that both female and male workers evolve more easily if they can manipulate the brood produced by the queen by biassing the brood sex ratio in favour of females (the optimal proportion of females is ca. 0.75). The threshold for female workers to evolve is also lowered if they are allowed to produce some of the colony's male offspring (which arise from unfertilized eggs), in which case the optimal brood sex ratio becomes closer to 1:1. It is apparent that the two factors — sex-ratio bias and worker-produced males — are also important in the comparison of worker evolution in male-haploid and diploid insects.

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References

  1. Aoki K, Moody M (1981) One- and two-locus models of the origin of worker behavior in Hymenoptera. J Theor Biol 89:449–474

  2. Bartz SH (1979) Evolution of eusociality in termites, Proc Natl Acad Sci USA 76:5764–5768 (correction: (1980) Proc Natl Acad Sci USA 77:3070)

  3. Bartz SH (1982) On the evolution of male workers in the Hymenoptera. Behav Ecol Sociobiol 11:223–228

  4. Charlesworth B (1978) Some models of the evolution of altruistic behaviour between siblings. J Theor Biol 72:297–319

  5. Charnov EL (1978) Evolution of eusocial behavior: offspring choice or parental parasitism? J Theor Biol 75:451–465

  6. Craig R (1979) Parental manipulation, kin selection, and the evolution of altruism. Evolution 33:319–334

  7. Craig R (1980) Sex ratio changes and the evolution of eusociality in the Hymenoptera: simulation and games theory studies. J Theor Biol 87:55–70

  8. Craig R (1982) Evolution of male workers in the Hymenoptera. J Theor Biol 94:95–105

  9. Craig R (1983) Subfertility and the evolution of eusociality by kin selection. J Theor Biol 100:379–397

  10. Crozier RH (1979) Genetics of sociality. In: Hermann HR (ed) Social insects, vol I. Academic Press, New York, pp 223–286

  11. Crozier RH (1982) On insects and insects: Twists and turns in our understanding of the evolution of eusociality. In: Breed MD, Michener CD, Evans HE (eds) The biology of social insects. Westview Press, Boulder, Colo, pp 4–9

  12. Dawkins R (1979) Twelve misunderstandings of kin selection. Z Tierspychol 51:184–200

  13. Hamilton WD (1963) The evolution of altruistic behavior. Am Nat 97:354–356

  14. Hamilton WD (1964a) The genetical evolution of social behaviour I. J Theor Biol 7:1–16

  15. Hamilton WD (1964b) The genetical evolution of social behaviour II. J Theor Biol 7:17–52

  16. Hamilton WD (1967) Extraordinary sex ratios. Science 156:477–488

  17. Iwasa Y (1981) Role of sex ratio in the evolution of eusociality in haplodiploid social insects. J Theor Biol 93:125–142

  18. Kasuya E (1982) Factors governing the evolution of eusociality through kin selection. Res Popul Ecol 24:174–192

  19. Lacy RC (1980) The evolution of eusociality in termites: a haplodiploid analogy? Am Nat 116:449–451

  20. Lin N, Michener CD (1972) Evolution of sociality in insects. Q Rev Biol 47:131–159

  21. Michod R (1979) Genetical aspects of kin selection: effects of inbreeding. J Theor Biol 81:223–233

  22. Michod RE, Hamilton WD (1980) Coefficients of relatedness in sociobiology. Nature 288:694–697

  23. Seger J (1981) Kinship and covariance. J Theor Biol 91:191–213

  24. Seger J (1983) Partial bivoltinism may cause alternating sexratio biases that favour eusociality. Nature 301:59–62

  25. Starr CK (1979) Origin and evolution of insect sociality: a review of modern theory. In: Hermann HR (ed) Social insects, vol I. Academic Press, New York, pp 35–79

  26. Trivers RL, Hare H (1976) Haplodiploidy and the evolution of the social insects. Science 191:249–263

  27. Uyenoyama M, Feldman MW (1981) On relatedness and adaptive topography in kin selection. Theor Popul Biol 19:87–123

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Correspondence to Pekka Pamilo.

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Pamilo, P. Genetic relatedness and evolution of insect sociality. Behav Ecol Sociobiol 15, 241–248 (1984). https://doi.org/10.1007/BF00292985

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Keywords

  • Genetic Relatedness
  • Insect Sociality
  • Worker Evolution
  • Male Offspring
  • Female Worker