Fig. 1.

Map of Sulawesi with biogeographic barriers shown, as well as the approximate distribution of each species plotted within the inlaid maps. Species distributions estimated from [27, 28]. Individual samples are placed in the same color, and on the representative map of each sampled species. Species not included are in grey text in the center inlaid map, and P. rosenbergii is distributed on the islands north of the northern peninsula (Sangihe Islands). Base maps modified from Wikimedia Commons