Melangyna barbifrons, Taxa Only, Exact Match: 2 Treatments

Melangyna barbifrons			MAZáNEK, Libor, VONIČKA, Pavel & PREISLER, JiřÍ, 2009, Syrphidae (Diptera) of the Jizerské hory Mts and Frýdlant region (northern Bohemia, Czech Republic), Sborník Severočeského Muzea 27, pp. 3-46 : 12-13	12-13
Melangyna barbifrons			Bächli, Gerhard, Merz, Bernhard & Haenni, Jean-Paul, 2014, Dritter Nachtrag zur Checkliste der Diptera der Schweiz, Entomo Helvetica 7, pp. 119-140 : 126	126