Cracking the olfactory code of a butterfly: the scent of ageing.

@article{Nieberding2012CrackingTO,
  title={Cracking the olfactory code of a butterfly: the scent of ageing.},
  author={Caroline Marie Nieberding and Klaus Fischer and Marjo Saastamoinen and Cerisse E Allen and Erika A. Wallin and Erik Hedenstr{\"o}m and Paul Martin Brakefield},
  journal={Ecology letters},
  year={2012},
  volume={15 5},
  pages={415-24}
}
Although olfaction is a primary mode of communication, its importance in sexual selection remains understudied. Here, using the butterfly Bicyclus anynana, we address all the parameters of importance to sexual selection for a male olfactory signal. We show that variation in the male sex pheromone composition indicates male identity and male age. Courting males of different ages display small absolute (c. 200 ng) but large relative (100%) change of one specific pheromone component (hexadecanal… CONTINUE READING
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