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Extant: 1 valid species
Worker diagnosis: including the characteristics of the subfamily description given above. (1*) Mandibles elongate, slender, forceps-like, not crossing at rest (although doing so in dried condition), without differentiated basal and masticatory margins; (2) labrum broad with a U-like insertion at apical margin; (3*) clypeus reduced to a narrow strip at the sides, with a small trapezoidal median portion between antennal sockets, densely covered with a brush of setae; (4) metanotal groove distinct; (5) propodeum evenly rounded at the transition from basal (= dorsal) to declivitous face; (6) propodeal spiracle orifice not enlarged and nearly equally distant from basal and declivitous face of propodeum and the anterior part of metapleural opening, with circular orifice directed posteroventrally; (7) petiole with short peduncle, tergosternally fused, without a trace of a suture between tergite and sternite; (8*) presclerite of abdominal segment IV well developed, posterior part with a girdling constriction, forming the posterior constriction of a weakly defined postpetiole; (9) sting present, but small; (10) mesotibial spur present, simple; (11) metatibial spur present, shortly pectinate.
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