The Bayesian majority rule consensus tree of the analyzed samples of Polyommatus (Agrodiaetus) inferred from COI sequences. Polyommatus icarus is used to root the tree (not shown). Species and subspecies names, GenBank accession numbers, museum ID numbers and localities are shown to the right of the branches. Bayesian posterior probabilities higher than 0.5 are shown next to the recovered branches. 1–6 are clusters (see explanation in the text).