1. Departement of Apiculture and Sericulture, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
2. Gembloux Agro-Bio Tech Department of Functional and Evolutionary Entomology, University of Liège, Gembloux, Belgium
3. Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania
4. Food and Feed Quality Unit, Walloon Agricultural Research Centre, Gembloux, Belgium
5. Gembloux Agro-Bio Tech Department of Food Science, University of Liège, Gembloux, Belgium