Eyes situated anteriorly on head. Dorsolateral surface of mandible with pit. Promesonotal suture distinct. Paired lobes present at posterolateral corners of mesonotum. Propodeum with a distinct, oblique furrow.
Petiole rather slender in lateral view.
Anterior portion of 1st gastral sternum without a semicircular ventral projection. Nests are constructed under stones and in rotten wood. Foraging workers are found on the ground and move rather rapidly. The genus includes around 10 species and is distributed in tropical to warm temperate areas of the Afrotropical, Oriental and Australian regions. Two species are known from Japan.