Appendix Figure and tables legends
Fig S1: Median-joining networks of the three nuDNA genes.
Table S1: Sequence downloaded for molecular analysis.
Table S2: Sample site, numbers of specimen and gene amplification of S. nigrescens .
Table S3: Primers used for PCR and sequencing.
Table S4: The best molecular evolution model used in phylogenetic reconstructions.
Table S5: Sequence statistics of samples used in present studty. N, H, HP and π means the number of sequences, haplotypes, haplotype diversity, nucleotide diversity, respectively.
Table S6: Posterior probabilities for the 2 putative species using different priors for model parameters.