Nedeljković, Z., Vujić, A., Ricarte, A., Radenković, S. and Šimić, S. 2010. NEW DATA ON THE GENUS SYRPHUS FABRICIUS, 1775 (DIPTERA: SYRPHIDAE) FROM THE BALKAN PENINSULA INCLUDING THE FIRST RECORD OF SYRPHUS NITRIDIFRONS BECKER, 1921. Acta Entomologica Serbica. 15, 1 (May 2010), 91-105.