1. Laboratory of Socioecology and Social Evolution, Department of Biology, KU Leuven, Naamsestraat 59, 3000 Leuven, Belgium
2. Laboratory of Experimental and Comparative Ethology UR 4443, University Sorbonne Paris Nord, 93430 Villetaneuse, France
3. Laboratory of Systems Biology, VIB-KU Leuven Center for Microbiology, Leuven, Belgium
4. Laboratory for Genetics and Genomics, Center of Microbial and Plant Genetics, Department M2S, KU Leuven, Gaston Geenslaan 1, 3001, Heverlee, Belgium
5. Department of Entomology, University of California, Riverside, CA 92521, USA
6. Department of Chemistry, University of California, Riverside, CA 92521, USA