Test of the adaptiveness of sex ratio manipulation in a parasitoid wasp

  title={Test of the adaptiveness of sex ratio manipulation in a parasitoid wasp},
  author={Bethia Hurlbutt King and Hilary E. Lee},
  journal={Behavioral Ecology and Sociobiology},
In behavioral ecology it is generally assumed that behavior is adaptive. This assumption is tested here for sex ratio manipulation in response to host size in the parasitoid wasp Spalangia cameroni. Females produce a greater proportion of daughters on larger hosts. If this behavior is adaptive, it is not through a positive effect of host size on the fitness of daughters, as theory suggests and as found for other species. Females that developed on larger hosts were not more successful at… CONTINUE READING

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Sex ratio and host size in a parasitoid wasp

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