antennal scape length does not reach the posterior margin of head (Ponerinae)

The antennal scapes, when arranged along the anteroposterior axis of the head, do not reach the posterior head margin. Used in Antkey to separate Hypoponera punctatissima, Hypoponera ragusai and Hypoponera zwaluwenburgi from Hypoponera opaciceps and Pachycondyla species.