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  Number of segments between alitrunk and gaster  (Only 1 segment (the petiole) is reduced or isolated between the alitrunk and gaster)     Acidipore  (Acidipore absent)     Sting  (Sting present; pygidium unarmed)     Shape of gaster  (Gaster's largest segments (true abdominal segments 4 and 5) swollen and curved, so that the gastral apex is turned downwards and directed to the front of the body)

Identity - What this specimen is (based on the available  information).
Family - Formicidae,  Subfamily - Ponerinae,  Species - Proceratium micrommatum Roger

Description: Clypeus at most slightly overhanging the mandibles; antennae with apical segments moderately enlarged; gaster strongly curved under body so that the apex of the gaster is directed forward