Table 2.

Pairwise comparison of genetic distance (Fst) and geographic distance (km) among aphid populations

	LHC	NDF	ST	XYT	MZ	NBW	SGZ	WXZ	XZB
LHC		0.206	0.155	0.094	0.038	0.001	0.012	0.310	0.171
NDF	10.306		−0.042	0.001	0.119	0.170	0.125	0.155	0.030
ST	9.027	4.088		−0.020	0.075	0.123	0.086	0.131	0.011
XYT	7.149	4.010	2.098		0.014	0.072	0.045	0.105	0.006
MZ	67.910	61.698	59.940	62.024		0.035	0.032	0.175	0.080
NBW	72.661	66.528	64.741	66.823	4.843		−0.007	0.292	0.137
SGZ	79.087	73.272	71.351	73.420	11.871	7.145		0.268	0.108
WXZ	75.859	69.925	68.052	70.126	8.421	3.710	3.455		0.134
XZB	69.116	62.943	61.169	63.251	1.268	3.586	10.605	7.154

Above diagonal; genetic distance among populations as measured by Fst.

Below diagonal; geographic distance between populations (km).