Nedeljković, Z., Miličić, M., Likov, L., Radenković, S., & Vujić, A. (2015). NEW DATA ON THE GENUS CALLICERA PANZER, 1806 (DIPTERA: SYRPHIDAE) FROM SERBIA. Acta Entomologica Serbica, 20, 59-66. https://doi.org/10.5281/zenodo.45389