4. Pairwise Ф_ST (below diagonal) and genetic distance (above diagonal) among different T. heterochaetus locations .

Location code	WZ	FA	FZ	ZS	YJ	QZ	HP	ND
ФST values in bold type indicate statistical significance (P<0.01). WZ: Wenzhou; FA: Fu’ an; FZ: Fuzhou; ZS: Zhongshan; YJ: Yangjiang; QZ: Qinzhou; HP: Hai Phong; ND: Nam Dịnh.
WZ	−	0.009	0.009	0.058	0.057	0.061	0.061	0.060
FA	0.226	−	0.005	0.059	0.058	0.062	0.063	0.063
FZ	0.238	−0.013	−	0.059	0.058	0.062	0.063	0.063
ZS	0.906	0.946	0.946	−	0.002	0.020	0.019	0.019
YJ	0.903	0.944	0.944	0.378	−	0.022	0.021	0.021
QZ	0.912	0.950	0.951	0.941	0.942	−	0.005	0.005
HP	0.907	0.944	0.947	0.922	0.926	0.711	−	0.001
ND	0.911	0.951	0.951	0.936	0.938	0.771	0.017	−