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  Number of segments between alitrunk and gaster  (2 segments (petiole and postpetiole) are reduced or isolated between the alitrunk and the gaster)     Eye size  (Eye composed of more than one lens)     Spines on alitrunk  (Alitrunk without spines)     Number of antennal segments  (10 antennal segments, with 2-segmented club)     Intergrades  (Worker caste takes 2 forms, without intergrades between major and minor workers)

Identity - What this specimen is (based on the available  information).
Family - Formicidae,  Subfamily - Myrmicinae,  Species - Oligomyrmex longii Wheeler

Description: Worker caste dimorphic, without intergrades between major and minor workers; 10-segmented antenna