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Global Insights in Speciation: a New Butterfly Model System

Objective

Research in evolutionary biology has historically made use of rapidly evolving, species-rich groups as models to investigate the mechanisms of speciation: evolutionary radiations. However, most model radiations resulted from isolated events, and thus lack comparative power. Here, I propose a novel system in evolution: the Acraeini. This group of butterflies has several qualities that make it an ideal model: 1) it comprises 8 genera, differing in ecology and in geographic distribution; 2) 2 of these, Telchinia and Actinote, can be considered sister radiations, descended from a common ancestor, but distributed over Africa and Latin America respectively; 3) it is globally distributed, spanning Africa, Asia, Australia and Latin America; 4) it is closely related to Heliconius butterflies, also an evolutionary radiation and a well-established speciation model system. All these qualities give the Acraeini substantial comparative power, making it an ideal model to investigate speciation dynamics and how they are affected by differing ecologies, continental distributions, and genetic infrastructure. In SpecMod, I focus on developing the Acraeini framework through 3 research objectives, achievable via a collaborative network of African, South American and European institutions. 1) Produce 13 new reference genomes covering all 8 genera and notable subgroups of species, to investigate patterns of gene evolution between different genera and continents and draw comparisons with gene evolution in Heliconius. 2) Compile a comprehensive collection of species-level ecological information, to test the effect of specific traits on speciation dynamics across species-rich and species-poor Acraeini genera. 3) Carry out mating experiments in Acraeini to investigate the behavioural and chemical ecology of sex role reversal, a seldom observed phenomenon in butterflies, where females perform courtship and produce chemical mating signals rather than males.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-GF - HORIZON TMA MSCA Postdoctoral Fellowships - Global Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

UNIVERSITY OF GLASGOW
Net EU contribution
€ 353 327,64
Address
UNIVERSITY AVENUE
G12 8QQ Glasgow
United Kingdom
Region
Scotland West Central Scotland Glasgow City
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Partners (1)