<ref name="Johnson_1987">{{cite journal |first1=C. |last1=Johnson |year=1987 |title=Biogeography and habitats of ''Ponera exotica'' (Hymenoptera: Formicidae) |url=https://antcat.org/documents/1707/4766.pdf |journal=Journal of Entomological Science |publisher= |volume=22 |issue= |pages=358–361 |doi= }}</ref>