TABLE 4.
Results of the ABBA-BABA test for admixture assessment.
| Outgroup | P3 | P2 | P1 | D | Z | ABBA | BABA |
|---|---|---|---|---|---|---|---|
| P. marilynae | P. brevis | P. obermulleri | P. semifasciata | −0.0214164 | 0.44500958 | 180.753565 | 188.665185 |
| P. australis | P. brevis | P. obermulleri | P. semifasciata | 0.00523111 | 0.1052923 | 182.665167 | 180.764028 |
| P. marilynae | P. brevis | P. semifasciata | P. obermulleri | −0.0052311 | 0.1035013 | 180.764028 | 182.665167 |
| P. australis | P. brevis | P. semifasciata | P. obermulleri | −0.0052311 | 0.10302304 | 180.764028 | 182.665167 |
Abbreviations: D, overrepresentation of ABBA against BABA patterns as measured by the D-statistics; Z, Z-score test to assess whether the D-statistics is significantly (Z > 3) different from zero; ABBA, frequency of ABBA patterns; BABA, Frequency of BABA patterns.