1. Laboratory of Entomology, Wageningen University and Research Centre, Wageningen, The Netherlands.
2. Environmental Systems Analysis Group, Wageningen University and Research Centre, Wageningen, The Netherlands.
3. Dutch National Plant Protection Organization, Wageningen, The Netherlands.
4. Centre for Monitoring of Vectors (CMV), National Reference Centre (NRC), Netherlands Food and Consumer Product Safety Authority (NVWA), Ministry of Economic Affairs, Wageningen, The Netherlands.
5. Public Health Service Amsterdam, Amsterdam, The Netherlands.