Wright, Susan G., and Jeffrey H. Skevington. 2013. “Revision of the Subgenus Episyrphus (Episyrphus) Matsumura (Diptera: Syrphidae) in Australia”. Zootaxa 3683 (1). Auckland, New Zealand:51–64. https://doi.org/10.11646/zootaxa.3683.1.3.