Huo, K.-K. 2014. Spazigasteroides a new genus from China with a black face and scutellum in the Syrphini (Diptera: Syrphidae). Zootaxa. 3755, 3 (Jan. 2014), 230–240. DOI:https://doi.org/10.11646/zootaxa.3755.3.2.