TABLE 2.

Fixation indices between European corn borer populations collected from maize, mugwort, and hop, and between maize, mugwort, and other plants

Comparison		Tpi		Ket		Pbp		Mpi		All genes
Plant 1	Plant 2	FCT	FSC	FCT	FSC	FCT	FSC	FCT	FSC	FCT	FSC
Overall France
Maize	Mugwort	0.05**	−0.01	0.03*	0.06**	0.14**	−0.03	0.00	0.12	0.06***	0.05*
	Hop	0.00	0.04	0.01	0.09**	−0.05	0.04	−0.06	0.17*	0.00	0.08**
	Pepper	0.01	−0.01	−0.01	0.12***	−0.06	0.01	−0.07	0.07	0.00	0.05**
	Sorghum	0.01	−0.01	0.01	0.05	0.05	−0.03	−0.09	0.09	0.02	0.03
	Xanthium	−0.02	−0.01	0.05	0.05*	0.04	−0.01	0.18	0.13	0.07	0.05
Mugwort	Hop	0.04	0.11*	−0.02	0.13**	0.12*	−0.08	−0.06	0.16	0.04	0.10**
	Pepper	0.01	0.01	0.05	0.16***	0.15*	−0.14	0.06	−0.13	0.07*	0.04**
	Sorghum	0.00	0.03	0.05	0.06*	0.17***	−0.23	0.03	−0.09	0.06***	0.02
	Xanthium	0.09	0.04	0.04	0.06*	0.31**	−0.23	0.08	0.03	0.13***	0.03
Northern France only
Maize	Mugwort	0.05	0.01	0.06**	0.03	0.25***	−0.16	−0.10	0.31*	0.09***	0.09
	Hop	0.00	0.10	0.11***	0.08	0.05	−0.14	−0.14	0.42**	0.04***	0.15**
Mugwort	Hop	−0.05	0.13	−0.05	0.14***	0.12*	−0.20	−0.23	0.21	0.03	0.12**

F_CT is relative to among-group variance and F_SC to within-group variance. Within-population variance is not shown. P-values testing whether indices are significantly >0 were obtained by permutation tests with 10,000 permutations (Schneider et al. 2000). *P < 0.05, **P < 0.01, ***P < 0.001.