1 Laboratory of Entomology, Wageningen University Wageningen, Netherlands.
2 Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW) Wageningen, Netherlands ; R&D Microbiology, Koppert Biological Systems Berkel en Rodenrijs, Netherlands.
3 Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín, CSIC Granada, Spain.
4 Laboratory of Functional Ecology, Institute of Biology, University of Neuchâtel Neuchâtel, Switzerland.
5 Laboratory of Fundamental and Applied Research in Chemical Ecology, Institute of Biology, University of Neuchâtel Neuchâtel, Switzerland.