Furcula absent | Furcula present |
Male cerci with finger-like apical projections, one of them at least as long as half of the total length
| Male cerci if with apical projections present, these are very short, less than ¼ of the total length; the distal half sharply widened and/or compressed
|
Tegmina in both sexes overlapped in the mid- dorsal line
| Tegmina in both sexes not overlapped in the mid- dorsal line
|