<ref name="Parfitt_1880">{{cite journal |first1=E. |last1=Parfitt |year=1880 |title=The fauna of Devon. Hymenoptera. Section Aculeata |url= |journal=Report and Transactions of the Devonshire Association for the Advancement of Science, Literature and Art |publisher= |volume=12 |issue= |pages=501–559 |doi= }}</ref>