1. 1Department of Equine, Small Animal, Poultry and Wild Animal Diseases University of Belgrade, Bul. oslobodjenja 18, 11000 Belgrade, Serbia
2. 2Department of Biology, Faculty of Veterinary Medicine, University of Belgrade, Bul. oslobodjenja 18, 11000 Belgrade, Serbia
3. 3Laboratory for Medical Entomology, Department for Parasitology, Institute for Medical Research, University of Belgrade, Belgrade, Serbia