<ref name="Wetterer_2010">{{cite journal |first1=J. K. |last1=Wetterer |year=2010 |title=Worldwide spread of the graceful twig ant, ''Pseudomyrmex gracilis'' (Hymenoptera: Formicidae) |url=https://antcat.org/documents/4816/Wetterer_2010_Fla_Entomol_worldwide_spread_of_P_gracilis.pdf |journal=Florida Entomologist |publisher= |volume=93 |issue= |pages=535–540 |doi= }}</ref>