Reference

Mihailo Vujic, Ivan Tot (2020): Brachyopa Bimaculosa Doczkal & Dziock 2004 and Callicera Fagesil Guerin-Meneville, 1844, two new Hoverflies (Diptera: Syrphidae) in the fauna of Serbia – Acta Entomologica Slovenica – 28: 75 - 79.