<ref name="Wheeler_1923">{{cite journal |first1=W. M. |last1=Wheeler |year=1923 |title=Report on the ants collected by the Barbados-Antigua Expedition from the University of Iowa in 1918 |url=https://antcat.org/documents/3557/3372.pdf |journal=Studies in Natural History. Iowa University |publisher= |volume=10 |issue=3 |pages=3–9 |doi= }}</ref>