1. Department for Crop Sciences, Agricultural Entomology, Georg-August University Göttingen, Grisebachstrasse, Göttingen, Germany
2. Current affiliation: Julius Kühn-Institute, Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Horticulture and Forests, Messeweg, Braunschweig, Germany
3. Chamber of Agriculture North Rhine-Westphalia, Plant Protection Service, Gartenstrasse, Cologne, Germany