| Soldier mandible angle of curvature | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | smac1, ° | smac2, ° | ||||||||
| Mean | Std. dev. | Min. a | Max. b | Range of Mean ± 1 | Mean | Std. dev. | Min. a | Max. b | Range of Mean ± 1 | |
| R. flavipes | 10.61 | 2.089 | 7.3 | 15.1 | 8.0–13.0 | 27.29 | 2.730 | 22.1 | 31.4 | 25.0–30.0 |
| R. virginicus | 13.62 | 1.719 | 11.7 | 18.1 | 12.0–15.0 | 32.60 | 2.003 | 29.4 | 36.7 | 31.0–35.0 |
| R. hageni | 8.39 | 1.199 | 6.9 | 11.2 | 7.0–10.0 | 23.39 | 1.307 | 21.5 | 27.3 | 22.0–25.0 |
| R. malletei | 10.51 | 1.366 | 8.1 | 13.2 | 9.0–12.0 | 25.85 | 2.282 | 22.4 | 32.9 | 24.0–28.0 |
| R. nelsonae | 10.66 | 2.206 | 7.2 | 14.6 | 8.0–13.0 | 27.27 | 2.654 | 24.1 | 34.0 | 25.0–30.0 |
Note: Shaded boxes represent values that were used in building the dichotomous key for soldiers and alates.