|  | Seven regions |  | Four regions |  | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Source of variation | df | Sum of squares | Variance components | % variation | Fixation indices |  | df | Sum of squares | Variance components | % variation | Fixation indices |  |
X. affinis: | |||||||||||||
 | Among regions | 5 | 446.7 | 8.5 | 59.6 | ФCT : 0.59 | ** | 3 | 280.3 | 4.7 | 34.0 | ФCT : 0.34 | * |
COI | Among populations within regions | 9 | 92.9 | 1.6 | 11.5 | ФSC : 0.28 | *** | 11 | 259.3 | 5.1 | 36.5 | ФSC : 0.55 | ** |
 | Within populations | 46 | 189.9 | 4.1 | 29.0 | ФST : 0.71 | *** | 46 | 189.9 | 4,1 | 29.5 | ФST : 0.71 | ** |
 | Among regions | 5 | 12.5 | 0.5 | 59.4 | ФCT : 0.59 | * | 3 | 6.8 | 0.1 | 17.5 | ФCT : 0.18 | *** |
EF1α | Among populations within regions | 5 | 2.5 | 0.1 | 14.0 | ФSC : 0.34 | * | 7 | 8.2 | 0.4 | 54.1 | ФSC : 0.66 | ** |
 | Within populations | 19 | 4.0 | 0.2 | 26.6 | ФST : 0.73 | *** | 19 | 4.0 | 0.2 | 28.5 | ФST : 0.71 | * |
X. ferrugineus: | |||||||||||||
 | Among regions | 4 | 513.6 | 11.8 | 45.8 | ФCT : 0.45 | *** | 2 | 178.2 | 2.5 | 10.0 | ФCT : 0.10 |  |
COI | Among populations within regions | 7 | 138.3 | 2.4 | 9.1 | ФSC : 0.17 |  | 9 | 473.7 | 10.6 | 42.9 | ФSC : 0.48 | *** |
 | Within populations | 38 | 442.1 | 11.6 | 45.1 | ФST : 0.55 | *** | 38 | 442.1 | 11.6 | 47.2 | ФST : 0.53 | *** |
 | Among regions | 5 | 20.7 | −1.0 | −33.3 | ФCT :−0.33 |  | 3 | 15.1 | 0.0 | −1.5 | ФCT :−0.01 |  |
EF1α | Among populations within regions | 3 | 12.2 | 2.2 | 77.0 | ФSC : 0.58 |  | 5 | 17.7 | 1.3 | 45.8 | ФSC : 0.45 |  |
 | Within populations | 10 | 16.1 | 1.6 | 56.2 | ФST : 0.44 | * | 10 | 16.1 | 1.6 | 55.7 | ФST : 0.44 |  |
X. perforans: | |||||||||||||
 | Among regions | 6 | 182.5 | 1.3 | 9.3 | ФCT : 0.09 |  | 3 | 88.6 | −0.2 | −1.5 | ФCT :−0.01 |  |
COI | Among populations within regions | 7 | 128.5 | 6.3 | 44.3 | ФSC : 0.49 |  | 10 | 222.4 | 7.7 | 54.6 | ФSC : 0.54 | *** |
 | Within populations | 20 | 132.6 | 6.6 | 46.4 | ФST : 0.54 | *** | 20 | 132.6 | 6.6 | 46.9 | ФST : 0.53 | *** |
 | Among regions | 5 | 6.4 | −1.5 | −98.0 | ФCT :−0.98 |  | 3 | 4.1 | −0.2 | −12.9 | ФCT :−0.12 |  |
EF1α | Among populations within regions | 1 | 3.0 | 1.5 | 99.0 | ФSC : 0.50 |  | 3 | 5.3 | 0.2 | 14.9 | ФSC : 0.13 |  |
 | Within populations | 2 | 3.0 | 1.5 | 99.0 | ФST : 0.01 |  | 2 | 3.0 | 1.5 | 98.1 | ФST : 0.02 |  |
X. volvulus: | |||||||||||||
 | Among regions | 4 | 100.1 | 2.6 | 20.5 | ФCT : 0.21 |  | 3 | 58.7 | 0.1 | 0.4 | ФCT : 0.01 | ** |
COI | Among populations within regions | 5 | 71.8 | 2.5 | 19.2 | ФSC : 0.24 | ** | 6 | 113.3 | 4.3 | 35.5 | ФSC : 0.36 |  |
 | Within populations | 19 | 146.6 | 7.7 | 60.2 | ФST : 0.40 | * | 19 | 146.6 | 7.7 | 64.1 | ФST : 0.36 | * |
 | Among regions |  |  |  |  |  |  | 3 | 2.9 | 0.1 | 24.3 | ФCT : 0.24 |  |
EF1α | Among populations within regions |  |  | – |  |  | 2 | 2.0 | 0.4 | 59.7 | ФSC : 0.79 | * | |
 | Within populations |  |  |  |  |  |  | 7 | 0.7 | 0.1 | 16.1 | ФST : 0.84 | *** |