Table 1.
Comparison of the measurements of body and male genitalia (aedeagus) among the three species of the A. brunneus complex
| A) General MANOVA | |||||
|---|---|---|---|---|---|
| Variables | Effect | Value | F | Sig. | Power |
| BL, BW (DVs); species (IVs) | Pillai trace | 0.85 | 41.95 | <0.001 | 1 |
| Wilks’ lambda | 0.16 | 84.12 | <0.001 | 1 | |
| Hotelling trace | 5.14 | 143.82 | <0.001 | 1 | |
| Roy’s greatest root | 5.13 | 292.13 | <0.001 | 1 | |
| AL, AD (DVs); species (IVs) | Pillai trace | 0.96 | 50.62 | <0.001 | 1 |
| Wilks’ lambda | 0.09 | 125.66 | <0.001 | 1 | |
| Hotelling trace | 9.48 | 253.53 | <0.001 | 1 | |
| Roy’s greatest root | 9.42 | 513.12 | <0.001 | 1 | |
| B) Pairwise t comparisons | |||||
| t-test comparison | BL | BW | AL | AD | |
| A. brunneus vs A. ramblae | <0.001 | <0.001 | <0.001 | <0.001 | |
| A. brunneus vs A. rufulus | <0.001 | <0.001 | <0.001 | <0.001 | |
| A. ramblae vs A. rufulus | <0.001 | <0.001 | <0.001 | 0.1 | |
| C) Mean values | |||||
| BL | BW | AL | AD | ||
| A. brunneus | 7.75 | 4.86 | 1.44 | 0.07 | |
| A. ramblae | 6.67 | 4.30 | 1.15 | 0.01 | |
| A. rufulus | 7.32 | 4.57 | 1.33 | 0.02 |
BL, body length; BW, body width; AL, length of the aedeagus; AD, asymmetry of the aedeagus (see Additional file 1: Figure S1). DVs, dependent variables; IVs, independent variables.