| genetic differentiation and natural hybridization between the sardinian endemic maniola nurag and the european maniola jurtina. | the mediterranean island of sardinia is known for its multitude of unique genetic lineages. we view one of them in a larger phylogeographic context. the endemic sardinian meadow brown butterfly, maniola nurag, is restricted to the mountainous areas of the island, whereas its widespread close relative, maniola jurtina, also occurs on the coast. at intermediate altitudes the species' distributions overlap. there, a number of individuals exhibit phenotypic characteristics intermediate between the t ... | 2007 | 17584221 |