Ant key 30
| Forward sections of the frontal lobes and the base of the antennae widely separated by the broadly rounded or triangular rear section of the clypeus that extends between the frountal lobes (Fig. a). |
31 |
| Forward sections of the frontal lobes and the base of the antennae very close together and at most separated by a very narrow triangle of the clypeus that extends rearwards between them (Fig. b). |
33 |
