Phylogenetic analyses of the leaf beetle genus Galerucella: evidence for host switching at speciation?

Abstract

It is still the subject of lively debate whether sympatric speciation is a general mode of speciation as opposed to allopatric speciation. In herbivorous insects, host switching, i.e. colonization of, and adaptation to, a new host by a herbivore, has been proposed as one of the driving mechanisms of sympatric speciation. Evidence for host switching as a… (More)
DOI: 10.1016/j.ympev.2009.07.005

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