Table 3.

Mean nucleotide substitution rate within seven species distributed across four regions of Japan based on 4251 candidate SNPs. Numbers in bold indicate the highest values

Species	Matsuyama	Gifu	Sendai	Sapporo
Nemoura ovocercia	0.015	0.058	0.018	0.069
Haploperla japonica	0	0.317	0	0
Stavsolus japonicus	0.315	0.092	0.058	0.197
Rhabdiopteryx japonica	0.028	0.247	0.009	0.008
Obipteryx femoralis	0.018	0.115	0.026	0.004
Isoperla nipponica	0.116	0.301	0	0.259
Amphinemura longispina	0.035	0.213	0.037	0.013