1. Insect Pest Control Laboratory Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture PO Box 100 Vienna 1400 Austria
2. Department of Biochemistry and Biotechnology University of Thessaly Biopolis Larissa 41500 Greece
3. Department of Plant Protection Patras Institute of Industrial and Forage Crops Hellenic Agricultural Organization – Demeter Athens Greece
4. Groningen Institute for Evolutionary Life Sciences University of Groningen PO Box 11103 Groningen 9700 CC The Netherlands