Vujić, Mihailo. “CHEILOSIA HERCULANA BRĂDESCU, 1982, A NEW HOVERFLY (DIPTERA: SYRPHIDAE) SPECIES FOR THE FAUNA OF SERBIA”. Acta Entomologica Serbica 25, no. 1 (February 10, 2020): 87-90. Accessed October 24, 2020. http://aes.bio.bg.ac.rs/index.php/aes/article/view/267.