Fig. 1

Output from analysis of genetic relationship of populations. NJ tree on Nei’s genetic distance (1978) matrix (on left) showed the relationship among populations and colored branches indicated significant relationship after 1000 bootstrapping. Pie chart on the map (on right) corresponds to the average individual posterior assignment (Q) of each populations recovered by STRUCTURE and colors within pie charts represents the groups corresponded to K = 3. Significant branches of NJ tree are also represented in the map and corroborates with the individual clustering recovered by assignment analysis. Pie charts radious are proportional to the number of individuals collected at each sample site