<ref name="Emery_1921">{{cite journal |first1=C. |last1=Emery |year=1921 |title=Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part] |url=https://antcat.org/documents/5589/emery_1921c_genera_insectorum_myrmicinae__part.pdf |journal=Genera Insectorum |publisher= |volume=174A |issue= |pages=1–94 + 7 plates |doi= }}</ref>