ArticleEcology and evolution2016
Differentiation in putative male sex pheromone components across and within populations of the African butterfly Bicyclus anynana as a potential driver of reproductive isolation.
Article in Ecology and evolution, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Geographical variation of chemical signals and odor discrimination in the great Himalayan leaf-nosed bat (Hipposideros armiger).BMC biology · 2026Article
- Female olfactory sensitivity is temporally asynchronous with male courtship in a butterfly.The Journal of experimental biology · 2026Article
- Species specificity and intraspecific variation in the chemical profiles ofEcology and evolution · 2020Article
- Early-exposure to new sex pheromone blends alters mate preference in female butterflies and in their offspring.Nature communications · 2020Article
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11 authors.
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Abstract
Sexual traits are often the most divergent characters among closely related species, suggesting an important role of sexual traits in speciation. However, to prove this, we need to show that sexual trait differences accumulate before or during the speciation process, rather than being a consequence of it. Here, we contrast patterns of divergence among putative male sex pheromone (pMSP) composition and the genetic structure inferred from variation in the mitochondrial cytochrome oxidase 1 and nuclear CAD loci in the African butterfly Bicyclus anynana (Butler, 1879) to determine whether the evolution of "pheromonal dialects" occurs before or after the differentiation process. We observed differences in abundance of some shared pMSP components as well as differences in the composition of the pMSP among B. anynana populations. In addition, B. anynana individuals from Kenya displayed differences in the pMSP composition within a single population that appeared not associated with genetic differences. These differences in pMSP composition both between and within B. anynana populations were as large as those found between different Bicyclus species. Our results suggest that "pheromonal dialects" evolved within and among populations of B. anynana and may therefore act as precursors of an ongoing speciation process.
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