| 1 |
Hemelytral membran deprived of basal cells | 2 |
| Hemelytral membran with basal cells (Tessaratominae) | 3 |
|
| 2 |
Tarsi biarticulate | Natalicolinae Horváth, 1900 |
| Tarsi triarticulate | Oncomerinae Stål, 1870 |
|
| TESSARATOMINAE | 4 | |
| 3 | Connexivum
expanded in a serrated series of two-teethed blades |
Prionogastrini |
| 4 |
Connexivum not
so |
5 |
| 5 |
Antennae of
five articles (Sepinini) |
6 |
| Antenae of
four articles (Tessaratomini) |
7 |
|
| Sepinini |
6 | |
| 6 |
Tarsi
bi-articulate |
Platitatina Horváth |
| Tarsi
triarticulate |
Sepinina Horváth |
|
| Tessaratomini |
||
| 7 |
Metasternal
elevation produced anteriorely surpassing mesocoxae , its
apex generally free (except in some African Tessaroma
species) |
Tessaratomina
Stål |
| If metasternal
elevation present, it does not invade mesosternum |
8 |
|
| 8 |
Mesosternal
elevation as long as mesosternum, bifurcate anteriorely
|
Amissus Stål |
| If mesosternal elevation present, never
bifurcate |
Eusthenina Stål |