Dorymyrmex flavopectus is a species of ant in the genus Dorymyrmex described by Smith in 1944.Smith, M. R. 1944d. Additional ants recorded from Florida, with descriptions of two new subspecies. Fla. Entomol. 27: 14-17 (page 15, worker described) It is endemic to the US state of Florida, where it is only found in scrub habitat.
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