Table 2. Trait loadings of phylogenetic principal component analyses with and without body size, eigenvalues, and percent variance explained by first two principal components.
| Phylogenetic Principal Components Analysis | ||||
|---|---|---|---|---|
| with size | without size | |||
| Trait | PC1 | PC2 | PC1 | PC2 |
| Male body size | -0.823 | 0.467 | ||
| Female body size | -0.685 | 0.598 | ||
| Female pregenital closing force | -0.883 | 0.044 | -0.796 | -0.039 |
| Intrinsic penis muscle force | -0.719 | -0.181 | -0.771 | -0.006 |
| Penis protractor muscle force | -0.658 | -0.252 | -0.727 | -0.115 |
| Penis length | -0.883 | 0.066 | -0.806 | -0.070 |
| Penis investment | -0.434 | -0.660 | -0.570 | -0.547 |
| Male pedipalpal investment | 0.016 | -0.791 | -0.185 | -0.457 |
| Female operculum investment | -0.154 | -0.307 | -0.268 | 0.298 |
| Penis section modulus (S X) | -0.502 | 0.103 | -0.501 | 0.776 |
| Penis section modulus (S Y) | -0.600 | -0.067 | -0.633 | 0.599 |
| Fultura width | -0.514 | -0.555 | -0.652 | -0.424 |
| Eigenvalue | 4.746 | 2.157 | 3.914 | 1.756 |
| % Variance | 39.55 | 17.97 | 39.14 | 17.56 |