)-statistics; ).
A) Subdivision of North American Ostrinia nubilalis haplotypes into Atlantic coast (sites 1, 2, and 5) and Midwestern collection sites (sites 5–15, Table 2; the Ithaca, New York laboratory colony haplotype data were omitted).
B) Subdivision of sympatric univoltine (UZ) and bivoltine (BZ) ecotypes from Lamberton and Rosemount, Minnesota collection sites (sites 12 and 13; Table 2).
| A) Atlantic and midwestern subdivision | ||||
Comparison |
df |
Sum of Squares |
Variance component |
Percent of variance |
| Among regions | 1 | 0.946 | 0.00188 Va | 1.64 |
| Among subpops within regions | 14 | 2.757 | 0.00082 Vb | 0.71 |
| Within subpops | 1300 | 146.141 | 0.11242 Vc | 97.65 |
| 1315 | 149.844 | 0.11512 | 100.00 | |
| Fixation Indices | P-value and SE | |||
| ThetaSC (FIS) | 0.00725 | 0.00098 ± 0.00098 | ||
| ThetaST (FST) | 0.02350 | 0.00000 ± 0.00000 | ||
| ThetaCT (FIT) | 0.01637 | 0.00098 ± 0.00098 | ||
| B) Minnesota sympatric voltinism | ||||
Comparison |
df |
Sum of Squares |
Variance component |
Percent of variance |
| Among regions | 1 | 0.529 | 0.00227 Va |
1.53 |
| Among subpops within regions | 2 | 0.544 | 0.00212 Vb |
1.43 |
| Within subpops | 244 | 35.008 | 0.14348 Vc |
97.03 |
| 247 | 36.081 | 0.14786 |
100.00 | |
| Fixation Indices | P-value and SE | |||
| ThetaSC (FIS) | 0.01455 | 0.30108 ± 0.01070 | ||
| ThetaST (FST) | 0.02350 | 0.00782 ± 0.00313 | ||
| ThetaCT (FIT) | 0.01637 | 0.33138 ± 0.00000 | ||