Extant: 1 valid subspecies
Myrmelachista arthuri Forel, 1903e PDF: 263 (diagnosis in key) (w.) BRAZIL. Neotropic. AntCat AntWiki HOLTaxonomic history
Combination in Myrmelachista (Decamera): Emery, 1925d PDF: 33.Combination in Myrmelachista (Hincksidris): Kempf, 1972b PDF: 148.Senior synonym of Myrmelachista ute: Kempf, 1978a: 36.