1. International Centre of Insect Physiology and Ecology - ICIPE; PO Box 30772-00100 Nairobi Kenya
2. Unit for Environmental Sciences and Management; North-West University; Potchefstroom South Africa
3. UMR IRD 247 Laboratoire Evolution, Génomes, Comportement et Ecologie; Diversité, Ecologie et Evolution des Insectes Tropicaux, CNRS; 91198- Gif-sur-Yvette France
4. Université de Paris-Sud; 91405 Orsay France