| 4-1(2) | 4-2(1) | ||||
| Pygidial plate absent | |
Large image | Pygidial plate preset in females and most males | |
Large image |
| Scopa present | |
Large image | If pygidial plate absent in female, then scopa also absent | |
Large image |
| [Jugal lobe over one-third as long as vannal lobe] | |
Large image | |||
