1. Institut für Biologie; Martin-Luther-University Halle-Wittenberg; Halle a. d. Saale Germany
2. UR 406 Abeilles et Environnement; INRA; Centre de Recherche Provence-Alpes-Côte d'Azur; Avignon France
3. Entomology & Nematology Department; University Florida; Gainesville Florida USA
4. Bayer Animal Health GmbH; Leverkusen Germany
5. Department of Zoology and Entomology; University of Pretoria; Pretoria South Africa