Functional equivalence of grasping cerci and nuptial food gifts in promoting ejaculate transfer in katydids.

@article{Vahed2014FunctionalEO,
  title={Functional equivalence of grasping cerci and nuptial food gifts in promoting ejaculate transfer in katydids.},
  author={Karim Vahed and James D. J. Gilbert and David B. Weissman and Ludivina Barrientos-Lozano},
  journal={Evolution; international journal of organic evolution},
  year={2014},
  volume={68 7},
  pages={2052-65}
}
The function of nuptial gifts has generated longstanding debate. Nuptial gifts consumed during ejaculate transfer may allow males to transfer more ejaculate than is optimal for females. However, gifts may simultaneously represent male investment in offspring. Evolutionary loss of nuptial gifts can help elucidate pressures driving their evolution. In most katydids (Orthoptera: Tettigoniidae), males transfer a spermatophore comprising two parts: the ejaculate-containing ampulla and the… CONTINUE READING
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