The coming and going of Batesian mimicry in a Holarctic butterfly clade
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BMC Biology 2010, 8:122 doi:10.1186/1741-7007-8-122Published: 15 September 2010
A study using phylogenetic hypothesis testing, published in BMC Evolutionary Biology, suggests that non-mimetic forms of the North American white admiral butterfly evolved from a mimetic ancestor. This case might provide one of the first examples in which mimicry was gained and then lost again, emphasizing the evolutionary lability of Batesian mimicry.