|  | PC axis | |||
---|---|---|---|---|---|
 |  | PC1 | PC2 | PC3 | PC4 |
IO3 shape analysis | Eigenvalue* | 2.07 | 1.09 | 0.37 | 0.16 |
Proportion variance (%) | 50.60 | 26.56 | 9.15 | 3.90 | |
Cumulative variance (%) | 50.60 | 77.15 | 86.30 | 90.20 | |
Shape described | Dorsoventral depth | Taper direction | Dorsal-edge curve | Flat-wing size | |
IO4 shape analysis | Eigenvalue* | 12.11 | 5.14 | 3.24 | 1.03 |
Proportion variance (%) | 50.53 | 21.50 | 13.56 | 4.32 | |
Cumulative variance (%) | 50.53 | 72.13 | 85.69 | 90.01 | |
Shape described | Flat-wing size | Canal curvature | Taper direction | Flat-wing dorsal edge | |
IO5 shape analysis | Eigenvalue* | 8.89 | 2.50 | 0.91 | 0.73 |
Proportion variance (%) | 63.31 | 17.84 | 6.47 | 5.20 | |
Cumulative variance (%) | 63.31 | 81.15 | 87.63 | 92.83 | |
Shape described | Flat-wing size | Element width | Canal bend | Flat-wing dorsal edge |