<ref name="Donisthorpe_1922">{{cite journal |first1=H. |last1=Donisthorpe |year=1922 |title=Myrmecophilous notes for 1921 |url=http://hymfiles.biosci.ohio-state.edu/pdfs-osuc/23032/23032.pdf |journal=Entomologist's Record and Journal of Variation |publisher= |volume=34 |issue= |pages=1–5 |doi= }}</ref>