Table 3. Summary of analysis of molecular variance for Triatoma dimidiata populations.

Source of variation	d.f.	Sum of squares	Variance components	Percentage of variation	Fixation Indices
a)
Among groups	2	528.273	6.732 Va	80.24	FCT = 0.802***
Among populations within groups	10	86.820	0.982 Vb	11.71	FST = 0.920***
Within populations	123	83.047	0.675 Vc	8.05	FSC = 0.593***
Total	135	698.140	8.389
b)
Among groups	1	68.257	1.4785	60.15	FCT = 0.602*
Among populations within groups	6	15.547	0.3007	12.23	FST = 0.724***
Within populations	77	52.267	0.6788	27.62	FSC = 0.307***
Total	84	136.071	2.4580
c)
Among groups	3	596.530	5.890	86.84	FCT = 0.868***
Among populations within groups	9	18.563	0.218	3.21	FST = 0.900***
Within populations	123	83.047	0.675	9.95	FSC = 0.244***
Total	135	698.140	6.783

(a) Three groups (1, 2, and 3), (b) two subgroups (1A vs 1B), and (c) four groups/subgroups (1A, 1B, 2 and 3) were considered as indicated in the text. Populations within groups correspond to countries of sampling. ^***: P<0.001; ^**: P<0.01. d.f. = degrees of freedom.