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J Evol Biol. 2015 Aug;28(8):1417-38. doi: 10.1111/jeb.12672. Epub 2015 Jul 14.

The diversification of Heliconius butterflies: what have we learned in 150 years?

Author information

1
Department of Zoology, University of Cambridge, Cambridge, UK.
2
Smithsonian Tropical Research Institute, Panama City, Panama.
3
Department of Biology, University of York, York, UK.
4
Institut de Systématique, Évolution, Biodiversité, ISYEB - UMR 7205 - CNRS, MNHN, UPMC, EPHE, Muséum national d'Histoire naturelle, Sorbonne Universités, Paris, France.
5
Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175, CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE, Montpellier 5, France.
6
Department of Genetics, Evolution and Environment, University College London, London, UK.
7
Department of Animal and Plant Sciences, University of Sheffield, Sheffield, UK.
8
Department of Life Sciences, Natural History Museum, London, UK.
9
School of Life Sciences, Chongqing University, Shapingba District, Chongqing, China.

Abstract

Research into Heliconius butterflies has made a significant contribution to evolutionary biology. Here, we review our understanding of the diversification of these butterflies, covering recent advances and a vast foundation of earlier work. Whereas no single group of organisms can be sufficient for understanding life's diversity, after years of intensive study, research into Heliconius has addressed a wide variety of evolutionary questions. We first discuss evidence for widespread gene flow between Heliconius species and what this reveals about the nature of species. We then address the evolution and diversity of warning patterns, both as the target of selection and with respect to their underlying genetic basis. The identification of major genes involved in mimetic shifts, and homology at these loci between distantly related taxa, has revealed a surprising predictability in the genetic basis of evolution. In the final sections, we consider the evolution of warning patterns, and Heliconius diversity more generally, within a broader context of ecological and sexual selection. We consider how different traits and modes of selection can interact and influence the evolution of reproductive isolation.

KEYWORDS:

Nymphalidae; adaptation; ecological genomics; gene flow; magic traits; mimicry; porous species; reproductive isolation; sensory ecology; speciation

PMID:
26079599
DOI:
10.1111/jeb.12672
[Indexed for MEDLINE]
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