1. BioSense Institute, University of Novi Sad, Dr Zorana Đinđića 1, RS-21000 Novi Sad, Serbia
2. Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 3, RS-21000 Novi Sad, Serbia
3. Zoology Unit, Finnish Museum of Natural History, P.O. Box 17, FI-00014 University of Helsinki, Helsinki, Finland