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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 1 or many forms, with series of intergrades between major and minor workers)

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

Description: Worker caste either monomorphic or polymorphic with series of intergrades between major and minor workers; 10 antennal segments, with 2-segmented club; species include Solenopsis geminata Fabricius, S. invicta Buren, and S. texana texana Emery

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Solenopsis spp. antennae
(Moreno 2001 in MacKay & MacKay 2003)
Solenopsis geminata head
(Japanese Database)
S. geminata body
(Japanese Ant Image Database)