Bee (Hymenoptera: Apoidea) and hoverfly (Diptera: Syrphidae) pollinators in Pannonian habitats of Serbia, with a description of a new Eumerus Meigen species (Syrphidae)

1. Markov, Z.
2. Nedeljkovic, Z.
3. Ricarte, A.
4. Vujic, A.
5. Jovičic, S.
6. Józan, Z.
7. Mudri-Stojnic, S.
8. Radenkovic, S.
9. Ćetkovic, A.