Fig. 1

a Sampling localities and approximate geographic distribution areas of the Pseudophilotes species considered in the present study. Sampling localities for the species included in this study are showed with differently coloured circles, diamonds, and triangles respectively. Geographic distribution areas are redrawn after [2, 3, 26, 74,75,76,77] and shaded in colours referring to the sample localities. The map was prepared using Quantum GIS 2.8.2 based on a map from Natural Earth (www.naturalearthdata.com). b Median-Joining Network of Pseudophilotes COI sequences. The circle size is proportional to haplotype frequency and the different colours refer to the different species used in the study (cf. a). Numbers of mutations between haplotypes are shown at the connections, except for single or double substitutions. Connections creating loops that are less probable according to frequency and geographical criteria are indicated in dashed lines. Haplotype codes match those in Additional file 1. A1 - A3: haplogroups including P. baton, P. vicrama and P. panoptes