Hölldobler, B. & Wilson, E. O. The Ants (Harvard Univ. Press, 1990) Book Google Scholar
Foster, K. R. & Ratnieks, F. L. W. A new eusocial vertebrate? Trends Ecol. Evol.20, 363–364 (2005) Article Google Scholar
Hamilton, W. D. The genetical evolution of social behaviour, I, II. J. Theor. Biol.7, 1–16 (1964) ArticleCAS Google Scholar
Wilson, E. O. The Insect Societies (Harvard Univ. Press, 1971) Google Scholar
Wilson, E. O. Sociobiology: The New Synthesis (Harvard Univ. Press, 1975) Google Scholar
Wilson, E. O. One giant leap: how insects achieved altruism and colonial life. Bioscience58, 17–25 (2008) Article Google Scholar
Linksvayer, T. A. & Wade, M. J. The evolutionary origin and elaboration of sociality in the aculeate Hymenoptera: maternal effects, sib-social effects, and heterochrony. Q. Rev. Biol.80, 317–336 (2005) Article Google Scholar
Queller, D. C. & Strassmann, J. E. Kin selection and social insects. Bioscience48, 165–175 (1998) Article Google Scholar
Costa, J. T. The Other Insect Societies (Harvard Univ. Press, 2006) Google Scholar
Cole, B. J. & Wiernacz, D. C. The selective advantage of low relatedness. Science285, 891–893 (1999) ArticleCAS Google Scholar
Hughes, W. O. H. & Boomsma, J. J. Genetic diversity and disease resistance in leaf-cutting ant societies. Evolution58, 1251–1260 (2004) Article Google Scholar
Rheindt, F. E., Strehl, C. P. & Gadau, J. A genetic component in the determination of worker polymorphism in the Florida harvester ant Pogonomyrmex badius. Insectes Soc.52, 163–168 (2005) Article Google Scholar
Jones, J. C., Myerscough, M. R., Graham, S. & Oldroyd, B. P. Honey bee nest thermoregulation: diversity supports stability. Science305, 402–404 (2004) ArticleCASADS Google Scholar
Schwander, T., Rosset, H. & Chapuisat, M. Division of labour and worker size polymorphism in ant colonies: the impact of social and genetic factors. Behav. Ecol. Sociobiol.59, 215–221 (2005) Article Google Scholar
Wilson, E. O. & Hölldobler, B. Eusociality: origin and consequence. Proc. Natl Acad. Sci. USA102, 13367–13371 (2005) ArticleCASADS Google Scholar
Fletcher, J. A., Zwick, M., Doebeli, M. & Wilson, D. S. What’s wrong with inclusive fitness? Trends Ecol. Evol.21, 597–598 (2006) Article Google Scholar
Traulsen, A. Mathematics of kin- and group-selection: formally equivalent? Evolution64, 316–323 (2010) Article Google Scholar
Doebeli, M. & Hauert, C. Limits to Hamilton’s rule. J. Evol. Biol.19, 1386–1388 (2006) ArticleCAS Google Scholar
Wolf, J. B. & Wade, M. J. On the assignment of fitness to parents and offspring: whose fitness is it and when does it matter? J. Evol. Biol.14, 347–356 (2001) Article Google Scholar
Grafen, A. in Behavioural Ecology Ch. 3 (eds Krebs, J. R. & Davies, N. B.) (Blackwell, 1984) 62–84.
Frank, S. A. Foundations of Social Evolution (Princeton Univ. Press, 1998) Google Scholar
Rousset, F. Genetic Structure and Selection in Subdivided Populations (Princeton Univ. Press, 2004) Google Scholar
van Veelen, M. Group selection, kin selection, altruism and cooperation: when inclusive fitness is right and when it can be wrong. J. Theor. Biol.259, 589–600 (2009) ArticleMathSciNet Google Scholar
Fletcher, J. A. & Doebeli, M. A simple and general explanation for the evolution of altruism. Proc. R. Soc. Lond. B276, 13–19 (2009) Article Google Scholar
West, S. A., Griffin, A. S. & Gardner, A. Evolutionary explanations for cooperation. Curr. Biol.17, R661–R672 (2007) ArticleCAS Google Scholar
Nowak, M. A. Five rules for the evolution of cooperation. Science314, 1560–1563 (2006) ArticleCASADS Google Scholar
Ohtsuki, H., Hauert, C., Lieberman, E. & Nowak, M. A. A simple rule for the evolution of cooperation on graphs and social networks. Nature441, 502–505 (2006) ArticleCASADS Google Scholar
Traulsen, A. & Nowak, M. A. Evolution of cooperation by multilevel selection. Proc. Natl Acad. Sci. USA103, 10952–10955 (2006) ArticleCASADS Google Scholar
Taylor, P. D., Day, T. & Wild, G. Evolution of cooperation in a finite homogeneous graph. Nature447, 469–472 (2007) ArticleCASADS Google Scholar
Antal, T., Ohtsuki, H., Wakeley, J., Taylor, P. D. & Nowak, M. A. Evolution of cooperation by phenotypic similarity. Proc. Natl Acad. Sci. USA106, 8597–8600 (2009) ArticleCASADS Google Scholar
Tarnita, C. E., Antal, T., Ohtsuki, H. & Nowak, M. A. Evolutionary dynamics in set structured populations. Proc. Natl Acad. Sci. USA106, 8601–8604 (2009) ArticleCASADS Google Scholar
Tarnita, C. E., Ohtsuki, H., Antal, T., Fu, F. & Nowak, M. A. Strategy selection in structured populations. J. Theor. Biol.259, 570–581 (2009) ArticleMathSciNet Google Scholar
Ohtsuki, H. & Nowak, M. A. Evolutionary games on cycles. Proc. R. Soc. Lond. B273, 2249–2256 (2006) Article Google Scholar
Grafen, A. An inclusive fitness analysis of altruism on a cyclical network. J. Evol. Biol.20, 2278–2283 (2007) ArticleCAS Google Scholar
Hunt, J. H. The Evolution of Social Wasps (Oxford Univ. Press, 2007) Book Google Scholar
Gadagkar, R. The Social Biology of Ropalidia marginata: Toward Understanding the Evolution of Eusociality (Harvard Univ. Press, 2001) Google Scholar
Thorne, B. L., Breisch, N. L. & Muscedere, M. L. Evolution of eusociality and the soldier caste in termites: influence of accelerated inheritance. Proc. Natl Acad. Sci. USA100, 12808–12813 (2003) ArticleCASADS Google Scholar
Khila, A. & Abouheif, E. Evaluating the role of reproductive constraints in ant social evolution. Phil. Trans. R. Soc. B365, 617–630 (2010) Article Google Scholar
Pepper, J. W. & Smuts, B. A mechanism for the evolution of altruism among nonkin: positive assortment through environmental feedback. Am. Nat.160, 205–213 (2002) Article Google Scholar
Fletcher, J. A. & Zwick, M. Strong altruism can evolve in randomly formed groups. J. Theor. Biol.228, 303–313 (2004) ArticleMathSciNet Google Scholar
Wade, M. J. Group selections among laboratory populations of Tribolium. Proc. Natl Acad. Sci. USA73, 4604–4607 (1976) ArticleCASADS Google Scholar
Swenson, W., Wilson, D. S. & Elias, R. Artificial ecosystem selection. Proc. Natl Acad. Sci. USA97, 9110–9114 (2000) ArticleCASADS Google Scholar
Wade, M. J. et al. Multilevel and kin selection in a connected world. Nature463, E8–E9 (2010) ArticleCASADS Google Scholar
Clutton-Brock, T. Cooperation between non-kin in animal societies. Nature462, 51–57 (2009) ArticleCASADS Google Scholar
Johns, P. M., Howard, K. J., Breisch, N. L., Rivera, A. & Thorne, B. L. Nonrelatives inherit colony resources in a primitive termite. Proc. Natl Acad. Sci. USA106, 17452–17456 (2009) ArticleCASADS Google Scholar
Wilson, D. S. & Wilson, E. O. Rethinking the theoretical foundation of sociobiology. Q. Rev. Biol.82, 327–348 (2007) Article Google Scholar
Wilson, D. S. & Wilson, E. O. Evolution “for the good of the group.”. Am. Sci.96, 380–389 (2008) Article Google Scholar
Sakagami, S. F. & Maeta, Y. in Animals and Societies: Theories and Facts (eds Itô, Y., Brown, J. L. & Kikkawa, J.) (Japan Scientific Societies Press, 1987), 1–16.
Wcislo, W. T. Social interactions and behavioral context in a largely solitary bee, Lasioglossum (Dialictus) figueresi (Hymenoptera, Halictidae). Insectes Soc.44, 199–208 (1997) Article Google Scholar
Jeanson, R., Kukuk, P. F. & Fewell, J. H. Emergence of division of labour in halictine bees: Contributions of social interactions and behavioural variance. Anim. Behav.70, 1183–1193 (2005) Article Google Scholar
Toth, A. L. et al. Wasp gene expression supports an evolutionary link between maternal behavior and eusociality. Science318, 441–444 (2007) ArticleCASADS Google Scholar
Hunt, J. H. et al. A diapause pathway underlies the gyne phenotype in Polistes wasps, revealing an evolutionary route to caste-containing insect societies. Proc. Natl Acad. Sci. USA104, 14020–14025 (2007) ArticleCASADS Google Scholar
Hunt, J. H. & Amdam, G. V. Bivoltinism as an antecedent to eusociality in the paper wasp genus Polistes. Science308, 264–267 (2005) ArticleCASADS Google Scholar
Robinson, G. E. & Page, R. E. in The Genetics of Social Evolution (eds Breed, M. D. & Page, R. E. Jr) (Westview Press, 1989), 61–80.
Bonabeau, E., Theraulaz, G. & Deneubourg, J. L. Quantitative study of the fixed threshold model for the regulation of division of labour in insect societies. Proc. R. Soc. Lond. B263, 1565–1569 (1996) ArticleADS Google Scholar
Abouheif, E. & Wray, G. A. Evolution of the gene network underlying wing polyphenism in ants. Science297, 249–252 (2002) ArticleCASADS Google Scholar
Ross, K. G. & Keller, L. Genetic control of social organization in an ant. Proc. Natl Acad. Sci. USA95, 14232–14237 (1998) ArticleCASADS Google Scholar
West-Eberhard, M. J. Developmental Plasticity and Evolution (Oxford Univ. Press, 2003) Google Scholar
Duffy, J. E. in Evolutionary Ecology of Social and Sexual Systems: Crustaceans as Model Organisms (eds Duffy, J. E. & Thiel, M.) (Oxford Univ. Press, 2007), 387–409.
Sakagami, S. F. & Hayashida, K. Biology of the primitively social bee, Halictus duplex Dalla Torre II. Nest structure and immature stages. Insectes Soc.7, 57–98 (1960) Article Google Scholar
Cowan, D. P. in The Social Biology of Wasps (eds Ross, K. G. & Mathews, R. W.) (Comstock Pub. Associates, 1991), 33–73.