Huo, Ke-Ke. 2014. “Spazigasteroides A New Genus from China With a Black Face and Scutellum in the Syrphini (Diptera: Syrphidae)”. Zootaxa 3755 (3). Auckland, New Zealand:230–240. https://doi.org/10.11646/zootaxa.3755.3.2.