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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 with spines)     Psammophore  (Ventral side of head and mandibles without basket-like series of hairs)     Postpetiole attachment  (Postpetiole attached to front surface of first gastral segment; petiole with a node and not dorsoventrally flattened)     Tubercles  (Dorsal surface of entire body covered with tubercles)     Lateral spine  (Lateral spine on pronotum (at 45 degrees) branched; epinotum spine curved backward more)

Identity - What this specimen is (based on the available  information).
Family - Formicidae,  Subfamily - Myrmicinae,  Genus - Trachymyrmex,  Species - Trachymyrmex septentrionalis McCook

Description: Lateral spine on pronotum (at 45 degrees) branched; spine on propodeum curved backward moreso than in Trachymyrmex turrifex

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Trachymyrmex septentrionalis head
(Tim Linksvayer)		 T. septentrionalis body
(Tim Linksvayer)