<ref name="Jordan_&_Eltringham_1913">{{cite book |first1=K. |last1=Jordan |first2=H. |last2=Eltringham |year=1913 |title=2nd International Congress of Entomology, Oxford, August 1912. Volume II, Transactions |url= |location=London |publisher=Hazell, Watson & Viney Ltd. |pages=489 pp. |isbn=}}</ref>