<ref name="Lubbock_1881">{{cite journal |first1=J. |last1=Lubbock |year=1881 |title=On the anatomy of ants |url=http://hymfiles.biosci.ohio-state.edu/pdfs-osuc/22404/22404.pdf |journal=Transactions of the Linnean Society of London. Zoology |publisher= |volume=2 |issue= |pages=141–154 |doi= }}</ref>