Ítem
Solo Metadatos
Speciation by hybridization in Heliconius butterflies
Título de la revista
Autores
Mavárez, Jesús
Salazar, Camilo
Bermingham, Eldredge
Salcedo, Christian
Jiggins, Chris D
Linares, Mauricio
Fecha
2006-06-15
Directores
ISSN de la revista
Título del volumen
Editor
Nature Publishing Group
Springer Nature
Springer Nature
Citations
Métricas alternativas
Resumen
Abstract
Speciation is generally regarded to result from the splitting of a single lineage. An alternative is hybrid speciation, considered to be extremely rare, in which two distinct lineages contribute genes to a daughter species. Here we show that a hybrid trait in an animal species can directly cause reproductive isolation. The butterfly species Heliconius heurippa is known to have an intermediate morphology and a hybrid genome1, and we have recreated its intermediate wing colour and pattern through laboratory crosses between H. melpomene, H. cydno and their F1 hybrids. We then used mate preference experiments to show that the phenotype of H. heurippa reproductively isolates it from both parental species. There is strong assortative mating between all three species, and in H. heurippa the wing pattern and colour elements derived from H. melpomene and H. cydno are both critical for mate recognition by males.
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Keywords
Heliconius heurippa , Heliconius cydno
