| 1 | Hypogynial valve long, more than three times longer than width at base (Fig. 12G, H) | T. talyshensis Savchenko, 1964 |
| – | Hypogynial valve short, length approximately equal to width at base (Fig. 12A, B, D, E) | 2 |
| 2 | Cercus upcurved distally (Fig. 12A) T. caucasica Riedel, 1920 | |
| – | Cercus straight (Fig. 12D) | T. quadridentata Savchenko, 1964 |