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Species Solenopsis xyloni - Southern Fire Ant

Harvester ant.  Pogonomyrmex anzensis?? - Solenopsis xyloni Southern Fire Ant - Solenopsis xyloni Unknown ant or wasp - Solenopsis xyloni Common fire ant? - Solenopsis xyloni 2-'humped' (brown-)red ants with broad-head and black & brown-striped abdomen  - Solenopsis xyloni - female reproductive ant without wings - Solenopsis xyloni Ant tending aphids 1 - Solenopsis xyloni brown-red and black Flying Fire Ant - Solenopsis xyloni - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
Superfamily Formicoidea (Ants)
Family Formicidae (Ants)
Subfamily Myrmicinae
Tribe Solenopsidini
Genus Solenopsis (Fire Ants and Thief Ants)
No Taxon (Fire Ants)
Species xyloni (Southern Fire Ant)
SOL-en-OP-sis zie-LOE-nee
Explanation of Names
Solenopsis xyloni McCook 1879
Generally similar to S. invicta in color and morphology. Differentiation is based on the lack of median tooth on the clypeus.

Due to variation within colonies, several major workers should be examined in order to ensure that this feature is absent.
Historically the most common native fire ant across southern US(1), this species has been significantly reduced by the expansion of S. invicta.
Mounds are not as large as S. invicta, often not seen at all.
Internet References