1. Research Group Insect Symbiosis; Max-Planck-Institute for Chemical Ecology; Jena Germany
2. Department for Evolutionary Ecology; Institute of Organismic and Molecular Evolution; Johannes Gutenberg-University; Mainz Germany
3. Federal Institute for Material Research and Testing; Berlin Germany
4. Federal Research Centre for Cultivated Plants; Julius-Kühn-Institute; Institute for Ecological Chemistry, Plant Analysis and Stored Product Protection; Berlin Germany