Books

1. West, S.A. (2009) Sex Allocation. Princeton University Press (Monographs in Population Biology Series).

Papers

• Abe, J., Kamimura, Y, Shimada, M & West, S.A. (2009) Extremely female biased primary sex ratio and precisely constant male production in a parasitoid wasp Melittobia. Animal Behaviour 78, 515-523.
• Wild, G. & West, S.A. (2009) Genomic imprinting and sex allocation. American Naturalist 173, E1-E14.
  
• Burton-Chellew, M.N., Koevoets, T., Grillenberger, B.K, Sykes, E.M., Underwood, S.L., Bijlsma, K., Gadau, J., van de Zande, L., Beukeboom, L.W., West, S.A. & Shuker, D.M. (2008) Facultative sex ratio adjustment in natural populations of wasps: cues of local mate competition and the precision of adaptation. American Naturalist 172, 393-404.
• Meunier, J., West, S.A. & Chapuisat, M. (2008) Split sex ratios in the social Hymenoptera: a meta-analysis. Behavioral Ecology 19, 382-390.
• Pannebakker, B.A., Halligan, D.L., Reynolds, K.T., Ballantyne, G.A., Shuker, D.M., Barton, N. & West, S.A. (2008) Effects of spontaneous mutation accumulation on sex ratio traits in a parasitoid. Evolution 62, 1921-1935.
• West, S.A., Griffin, A.S. & Gardner, A. (2008) Social semantics: how useful has group selection been? Journal of Evolutionary Biology 21, 374-385. This was a reply to DS Wilson's comment on our 2007 Social Semantics review.
• Gardner, A., Hardy, I.C.W., Taylor, P.D. & West. S.A. (2007) Spiteful soldier production in polyembryonic parasitoid wasps. American Naturalist 169, 519-533.
  
• Innocent, T.M., Savage, J., West, S.A. & Reece, S.E. (2007) Lethal combat and sex ratio evolution in a parasitoid wasp. Behavioral Ecology, 18, 709-715.
• Shuker, D.M., Reece, S.E., Lee, A. Graham, A., Duncan, A.B. & West, S.A. (2007). Information use in space and time: sex allocation behaviour in the parasitoid wasp Nasonia vitripennis. Animal Behaviour, 73, 971-977.
• Sykes, E.M., Innocent, T.M., Pen, I., Shuker, D.M. & West, S.A. (2007) Asymmetric larval competition in the parasitoid wasp Nasonia vitripennis: a role in sex allocation. Behavioral Ecology & Sociobiology, 61, 1751-1758.
  
• Wild, G. & West, S.A. (2007) A sex allocation theory for vertebrates: combining local resource competition and condition-dependent allocation. American Naturalist 170, E112-E128.
  
• Shuker, D.M., Pen, I. & West, S.A (2006) Sex ratios under asymmetrical local mate competition in the parasitoid wasp Nasonia vitripennis. Behavioral Ecology 17, 345-352.  {PDF}
  
• Shuker, D.M., Sykes, E.M., Browning, L.E., Beukeboom, L.W. & West, S.A. (2006) Male influence on sex allocation in the parasitoid wasp Nasonia vitripennis. Behavioral Ecology & Sociobiology 59, 829-835.  {PDF}
• Griffin, A.S., Sheldon, B.C. & West, S.A. (2005) Cooperative breeders adjust offspring sex ratios to produce helpful helpers. American Naturalist 166, 628-632. {PDF}
  
• Gardner, A., Alsop, D.J., Charnov, E.L. & West, S.A. (2005) A dimensionless invariant for relative size at sex change in animals: explanation and implications. American Naturalist, 165, 551-566. {PDF}
• Lopez-Vaamonde, C., Godfray, H.C.J., West, S.A., Hansson, C. & Cook, J.M. (2005) The evolution of host use and unusual reproductive strategies in Achrysocharoides parasitoid wasps. Journal of Evolutionary Biology 18, 1029-1041. {PDF}
  
• Nee, S., Colegrave, N., West, S.A. & Grafen, A. (2005) The illusion of invariant quantities in life-histories. Science 309, 1236-1239 {PDF}  {Science perspective} {Media}
  
• Reece, S.E, Duncan, A.B., West, S.A. & Read, A.F. (2005) Host cell preference and variable transmission strategies in malaria parasites. Proceedings of the Royal Society London Series B 272, 511-517. {PDF}
  
• Shuker, D.M., Pen, I., Duncan, A.B., Reece, S.E. & West, S.A. (2005) Sex ratios under asymmetrical local mate competition: theory and a test with parasitoid wasps. American Naturalist 166, 301-316. {PDF}
• West, S.A., Shuker, D.M. & Sheldon, B.C. (2005) Sex ratio adjustment when relatives interact: a test of constraints on adaptation. Evolution 59, 1211-1228. {PDF}
• Allsop, D.J. & West, S.A. (2004) Changing sex at the same relative body size (reply). Nature, 428. {PDF}
• Allsop, D.J. & West, S.A. (2004) Sex ratio evolution in sex changing animals. Evolution, 58, 1019-1027. {PDF}
  
• Allsop, D.J. & West, S.A. (2004) Sex allocation in the sex changing marine goby Coryphopterus personatus on atoll fringing reefs. Evolutionary Ecology Research, 6, 843-855. {PDF}
  
• Reece, S.E., Shuker, D.M., Pen, I. Duncan, A.B., Choudhary, A., Batchelor, C.M. & West, S.A. (2004) Kin discrimination and sex ratios in a parasitoid wasp. Journal of Evolutionary Biology, 17, 208-216. {PDF}
• Sheldon, B.C & West, S.A. (2004) Maternal Dominance, maternal condition, and offspring sex ratio in ungulate mammals. American Naturalist, 163, 40-54. {PDF}  {Supplementary Info}  {Media}
  
• Shuker, D.M. & West, S.A. (2004) Information constraints and the precision of adaptation. Proceedings of the National Academy of Science, USA, 101, 10363-10367. {PDF}   {Current Biology Commentary}
  
• Shuker, D.M., Reece, S.E., Whitehorn, P.R. & West, S.A. (2004) Sib-mating does not lead to facultative sex ratio adjustment in the parasitoid wasp, Nasonia vitripennis. Evolutionary Ecology Research, 6, 473-480. {PDF}
  
• Shuker, D.M., Reece, S.E., Taylor, J. & West, S.A. (2004) Wasp sex ratios when females on a patch can be related. Animal Behaviour, 68, 331-336. {PDF}
  
• Allsop, D.J. & West, S.A. (2003) Constant relative age and size at sex change in sequentially hermaphroditic
  fish. Journal of Evolutionary Biology, 16, 921-929. {PDF}  {Planet Earth  Article}
  
• Allsop, D.J. & West, S.A. (2003) Changing sex at the same relative size body size. Nature, 425, 783-784. {PDF} {Supplementary Info}  {Media}
  
• Gardner, A., Reece, S.E. & West, S.A. (2003) Even more extreme fertility insurance and the sex ratios of protozoan blood parasites. Journal of Theoretical Biology, 223, 515-521. {PDF}
• Reece, S.E., Duncan, A.B., West, S.A. & Read, A.F. (2003) Sex ratios in the rodent malaria parasite, Plasmodium chabaudi. Parasitology, 127, 419-425. {PDF}  {Supplementary Info}
• West, S.A., Reece, S.E. & Read, A.F. (2003) Toxoplasma gondii, sex and premature rejection. Trends in Parasitology, 19, 155-157. {PDF}
• Nee, S., West, S.A. & Read, A.F. (2002) Inbreeding and parasite sex ratios. Proceedings of the Royal Society London Series B. 269, 755-760. {PDF}
• Reece, S.E., Broderick, A.C., Godley, B.J. & West, S.A. (2002) The effects of incubation environment, sex and pedigree on the hatchling phenotype in a natural population of loggerhead turtles. Evolutionary Ecology Research, 4, 737-748. {PDF}
• West, S.A. & Sheldon, B.C. (2002) Constraints in the evolution of sex ratio adjustment. Science, 295, 1685-1688. {PDF} {PDF of TREE commentary} {Supplementary Information} 
• West, S.A., Pen, I. Griffin, A.S. (2002) Cooperation and competition between relatives. Science, 296, 72-75. {PDF} {Supplementary Information} 
• West, S.A., Reece, S.E. & Sheldon, B.C. (2002) Sex Ratios. Heredity, 88, 117-124. {PDF}
• West, S.A., Smith, T.G., Nee, S. & Read, A.F. (2002) Fertility insurance and the sex ratios of malaria and related hemospororin blood parasites. Journal of Parasitology.88, 258-263.  {PDF}
• West, S.A., Flanagan, K.E. & Godfray, H.C.J. (2001) Variable host quality, life-history invariants and the reproductive strategy of a parasitoid wasp that produces single sex broods. Behavioral Ecology, 5, 577-583. {PDF}
• West, S.A., Reece, S.E. & Read, A.F. (2001) The evolution of gametocyte sex ratios in malaria and related apicomplexan (protozoan) parasites. Trends in Parasitology, 17, 525-531. {PDF}
• West, S.A., Murray, M.G, Machado, C., Griffin, A.S. & Herre, E.A. (2001) Testing Hamilton’s rule with competition between relatives. Nature, 409, 510-513. {PDF}   {PDF of TREE commentary} {Media}
• Pickering, J., Read, A.F., Guerrero, S. & West, S.A. (2000) Sex ratio and virulence in two species of lizard malaria parasites. Evolutionary Ecology Research, 2, 171-184. {PDF}
• West, S.A. & Rivero, A. (2000) Using sex ratios to estimate what limits reproduction in parasitoids. Ecological Letters, 3, 294-299. {PDF}
• West, S.A., Herre, E.A. & Sheldon, B.C. (2000) The benefits of allocating sex. Science, 290, 288-290. {PDF}
• West, S.A., Smith, T.G. & Read, A.F. (2000) Sex allocation and population structure in Apicomplexan (protozoa) parasites. Proceedings of the Royal Society London Series B, 267, 257-264. {PDF}
• Hurst, G.D.D., Jiggins, F.M., von der Schulenburg, J.H.G., Bertrand, D., West, S.A., Goriacheva, I.I., Zakharov, I.A., Werren, J.H., Stouthamer, R. & Majerus, M.E.N. (1999) Male-killing Wolbachia in two species of insect. Proceedings of the Royal Society London Series B, 266, 735-740.
• Martins, R.P., Antonini, Y., de Silveira, F.A., & West, S.A. (1999) Seasonal variation in the sex allocation of a neotropical bee. Behavioral Ecology, 10, 401-408. {PDF}
• West, S.A., Flanagan, K.E. & Godfray, H.C.J. (1999) Sex allocation and clutch size in parasitoid wasps that produce single sex broods. Animal Behaviour, 57, 265-275. {PDF}
• Flanagan, K.E., West, S.A. & Godfray, H.C.J. (1998) Local mate competition, variable fecundity, and information use in a parasitoid. Animal Behaviour, 56, 191-198. {PDF}
• West, S.A. & Herre, E.A. (1998) Stabilizing selection and variance in fig wasp sex ratios. Evolution, 52, 475-485. {PDF}
• West, S.A. & Herre, E.A. (1998) Partial local mate competition and the sex ratio: a study on non-pollinating fig wasps. Journal of Evolutionary Biology, 11, 531-548. {PDF}  {PDF of TREE commentary}
• West, S.A., Cook, J.M., Werren, J.H. & Godfray, H.C.J. (1998) Wolbachia in two insect host-parasitoid communities. Molecular Ecology, 7, 1457-1465. {PDF}
• West, S.A., Compton, S.G., Vincent, S.L., Herre, E.A. & Cook, J.M. (1998) Virginity in haplodiploid populations: a comparison of estimation methods. Ecological Entomology, 23, 207-210. {PDF}
• West, S.A. & Godfray, H.C.J. (1997) Sex ratio strategies after perturbation of the stable age distribution. Journal of Theoretical Biology, 186, 213-221. {PDF}
• West, S.A., Herre, E.A.,  Compton, S.G., Godfray, H.C.J. & Cook, J.M. (1997) A comparative study of virginity in fig wasps. Animal Behaviour, 54, 437-450. {PDF}

• Read, A.F., Smith, T.G. Nee, S. & West, S.A. (2002) Sex ratios of malaria parasites and related protozoa, pp 314-332.. In Sex ratios: concepts and research methods (ed. by I.C.W. Hardy). Cambridge University Press.
• West, S.A. & Herre, E.A. (2002) Using sex ratios: why bother? pp. 399-413. In Sex ratios: concepts and research methods (ed. by I.C.W. Hardy). Cambridge University Press.
• Herre, E.A., Machado, C. & West, S.A. (2001) Selective regime and fig wasp sex ratios: towards sorting rigor from pseudo-rigor in tests of adaptation, pp. 191-218. In Adaptation and Optimality (ed. by S. Orzack and E. Sober). Cambridge University Press.
• Herre, E.A., West, S.A., Cook, J.M., Compton, S.G. & Kjellberg, F. (1997) Fig wasp mating systems: pollinators and parasites, sex ratio adjustment and male polymorphism, population structure and its consequences, pp.226-239.  In Social Competition and Cooperation in Insects and  Arachnids. Volume I: The Evolution of Mating Systems (ed. by J. Choe and B. Crespi). Cambridge University Press.

• Sheldon, B. C. & West, S. A. (2002) Sex ratios. In Encyclopedia of Evolution (ed. By M. Pagel), pp. 1040-1044, Oxford University Press. {PDF}
• West, S. A. (2001) Sex ratios. In Encyclopedia of Genetics (ed. By S. Brenner & J. Miller), pp. 1820-1821. Academic Press.  {PDF}