<ref name="Gregg_1958">{{cite journal |first1=R. E. |last1=Gregg |year=1958 |title=Two new species of ''Metapone'' from Madagascar (Hymenoptera: Formicidae) |url=https://antcat.org/documents/1598/6291.pdf |journal=Proceedings of the Entomological Society of Washington |publisher= |volume=60 |issue= |pages=111–121 |doi= }}</ref>