Epistrophe olgae, Taxa Only, Exact Match: 2 Treatments

Epistrophe olgae			Prokhorov, A. V., Popov, G. V. & Zaika, M. I., 2018, New Records Of Hoverflies (Diptera, Syrphidae) From Ukraine. Iii. Pipizinae And Syrphinae, Vestnik Zoologii 52 (3), pp. 241-250 : 246-248	246-248
Epistrophe olgae			Bächli, Gerhard, Merz, Bernhard & Haenni, Jean-Paul, 2014, Dritter Nachtrag zur Checkliste der Diptera der Schweiz, Entomo Helvetica 7, pp. 119-140 : 126	126