1. Centre for Ecological Research, Institute of Aquatic Ecology, Department of Tisza Research, 18/c Bem square, H-4026 Debrecen, Hungary
2. Centre for Ecological Research, Institute of Aquatic Ecology, Department of Danube's Diversity, 29 Karolina street, H-1113 Budapest, Hungary
3. University of Public Service, Faculty of Water Sciences, Department of Water Supply and Sewerage,12-14 Bajcsy-Zsilinszky street, H-6500 Baja, Hungary
4. Centre for Ecological Research, Institute of Ecology and Botany, 2-4 Alkotmány street, H-2163 Vácrátót, Hungary
5. Senckenberg Deutsches Entomologisches Insitut, 90 Eberswalder street, G-15374 Müncheber, Germany
6. MTA-DE Biodiversity and Ecosystem Services Research Group, 1 Egyetem square, H-4032 Debrecen, Hungary
7. University of Debrecen, Department of Ecology, 1 Egyetem square, H-4032 Debrecen, Hungary
8. University of Nyíregyháza, PO Box 166, H-4401 Nyíregyháza, Hungary