Host plant preference and performance of the sibling species of butterflies Leptidea sinapis and Leptidea reali: a test of the trade-off hypothesis for food specialisation

@article{Friberg2008HostPP,
  title={Host plant preference and performance of the sibling species of butterflies Leptidea sinapis and Leptidea reali: a test of the trade-off hypothesis for food specialisation},
  author={Magne Friberg and Christer Wiklund},
  journal={Oecologia},
  year={2008},
  volume={159},
  pages={127-137}
}
A large proportion of phytophagous insect species are specialised on one or a few host plants, and female host plant preference is predicted to be tightly linked to high larval survival and performance on the preferred plant(s). Specialisation is likely favoured by selection under stable circumstances, since different host plant species are likely to differ in suitability—a pattern usually explained by the “trade-off hypothesis”, which posits that increased performance on a given plant comes at… Expand
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Changes in host range in the nymphalid butterfly tribe Nymphalini are investigated using parsimony optimizations of host‐plant data on the butterfly phylogeny and it is shown that there is no directionality in hostrange evolution toward increased specialization, that is, specialization is not a dead end. Expand
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