56 species, 13 subspecies
Taxonomic history
| Myrmelachista in Formicinae: Mayr, 1865: 10 [Formicidae]. |
| Myrmelachista in Camponotinae: Forel, 1878c PDF: 367 [Camponotidae]; Dalla Torre, 1893: 174. |
| Myrmelachista in Camponotinae, Plagiolepidini: Forel, 1886h PDF: 214; Forel, 1893b PDF: 165; Forel, 1895b PDF: 106; Emery, 1895l PDF: 771; Forel, 1899b: 124; Wheeler, 1910a PDF: 143. |
| Myrmelachista in Camponotinae, Myrmelachistini: Forel, 1912j PDF: 89; Forel, 1917 PDF: 249. |
| Myrmelachista in Formicinae, Myrmelachistini: Wheeler, 1922: 696; Emery, 1925d PDF: 32; all subsequent authors except the following. |
| Myrmelachista in Formicinae, Pseudolasius genus group: Agosti, 1991 PDF: 296. |
| Myrmelachista in Formicinae, Plagiolepidini: Ashmead, 1905c PDF: 384; Bolton, 2003 PDF: 23, 103. |
Myrmelachista ambigua
Myrmelachista amicta
Myrmelachista arthuri
Myrmelachista bambusarum
Myrmelachista catharinae
Myrmelachista chilensis
Myrmelachista cooperi
Myrmelachista dalmasi
Myrmelachista donisthorpei
Myrmelachista elongata
Myrmelachista flavocotea
Myrmelachista flavoguarea
Myrmelachista gallicola
Myrmelachista guyanensis
Myrmelachista haberi
Myrmelachista hoffmanni
Myrmelachista joycei
Myrmelachista lauroatlantica
Myrmelachista lauropacifica
Myrmelachista longiceps
Myrmelachista longinoda
Myrmelachista mayri
Myrmelachista meganaranja
Myrmelachista mexicana
Myrmelachista nigrocotea
Myrmelachista nodigera
Myrmelachista osa
Myrmelachista paderewskii
Myrmelachista plebecula
Myrmelachista ramulorum
Myrmelachista reclusi
Myrmelachista rogeri
Myrmelachista rogeri manni
Myrmelachista rogeri rubriceps
Myrmelachista ruszkii
Myrmelachista schumanni cordincola
Myrmelachista skwarrae
Myrmelachista skwarrae laeta
Myrmelachista zeledoni