Strategic sperm allocation under parasitic sex-ratio distortion.

  title={Strategic sperm allocation under parasitic sex-ratio distortion.},
  author={Alison M. Dunn and Tara L. Andrews and Hannah Ingrey and Joanna Riley and Nina Wedell},
  journal={Biology letters},
  volume={2 1},
Parasitic sex-ratio distorters are a major selective force in the evolution of host mating behaviour and mate choice. Here, we investigate sperm limitation in the amphipod Gammarus duebeni and the impact of the microsporidian sex-ratio distorter Nosema granulosis on sperm allocation strategies. We show that males become sperm limited after three consecutive matings and provide uninfected, high fecundity, females with more sperm than infected females. We show that sperm limitation leads to a… CONTINUE READING

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