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1. Condition‐dependent traits can act as honest signals of mate quality, with fitter individuals being able to display preferred phenotypes. Nutrition is known to be an important determinant of individual condition, with diet known to affect many secondary sexual traits.
2. In Heliconius butterflies, male chemical signalling plays an important role in female mate choice. Potential male sex pheromone...
The signalling functions of cuticular lipids, particularly cuticular hydrocarbons, have gained considerable attention in social insect communication. Information transfer between individuals by means of these substances has been examined extensively. However, communication with cuticular lipids is not limited to inter-individual recognition. Cuticular compounds can also have a signalling function...
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