Archives de catégorie : Non classé

Are more toxic prey better protected?

This is the question addressed in Mathieu Chouteau’s paper, just published in Animal Behaviour (vol 153:49-59). How do bird predators consider the natural range of variation in toxin load among butterfly species in a community? Mathieu asked chicks what they … Continuer la lecture

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Two positions available – Apply now

Two positions are open in my group, to work on the ecology and evolutionary genomics of mimicry supergenes in Heliconius butterflies. 1- A 3-year PhD studentship on the ecology of inversions and balancing selection. The project aims at deciphering the … Continuer la lecture

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Alien inversion

May 2018: Congratulations to Paul Jay, Annabel Whibley, Angeles de Cara, Lise Frézal and Reuben Nowell (!) for their paper showing that the supergene was formed via the introgression of an inversion. Supergene alleles evolved their differences and coadaptation in … Continuer la lecture

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Polymorphism not maintained by mimicry

July 2017: Congratulations to Mathieu Chouteau for his paper in PNAS, showing how H. numata mate disassortatively with respect to mimetic wing pattern. Polymorphism is not maintained by mimicry, really!

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