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Extant: 4 valid species
(Figs. 1, 2)
Myrmicine ants with the following combination of characters:
Mandibles with two teeth in the masticatory border, apical and smaller subapical.
Inner ventral margin of masticatory border of mandibles with modified thick, cylindrical and transparent setae.
Clypeus not modified as central plate and devoid of carinae.
Anterior clypeal margin with single median seta.
Palpal formula apparently 2,2.
Antennae 11-segmented with ill-defined 3-segmented club.
Compound eyes small, reduced to a few ommatidia.
Frontal carinae and antennal scrobes absent.
Mesosoma without grooves.
Propodeal spiracle round.
Propodeal lobes large.
Sting large and robust.
Queen and male Unknown.
Known only from type species from peninsular Malaysia.