Title seminar: Mycalesina butterflies as a model system for evolutionary biology Abstract: The butterfly subtribe Mycalesina (Bush Browns) is a diverse group of Old World Nymphalidae butterflies comprising over 350 species across ten genera found in Sub-Saharan Africa, Madagascar, the Southeast Asian mainland and the majority of islands down to New Guinea, as well as northern Australia. One Mycalesina species, Bicyclus anynana, have long been an important model species for work on evo-devo and phenotypic plasticity, but over the past ten years we have gathered large data-sets from the whole subtribe. The possibility to compare several parallel radiations over a large geographic area makes the Myclaesina an ideal group for investigating evolutionary patterns, and to understand the role of ecology and relatedness in shaping speciation patterns.