Mengual, X., Miranda, G. F. G. and Thompson, F. C. (2018) “Unraveling Ocyptamus and the Baccha legacy (Diptera: Syrphidae): redefinition of groups and new species descriptions”, Zootaxa. Auckland, New Zealand, 4461(1), pp. 1–44. doi: 10.11646/zootaxa.4461.1.1.