Acknowledgements
Ridwane
We thank Mr. Kunizo Mori of Mitsui Chemicals Crop & Life Solutions, Inc; Mr. Justin McBeath and Dr. Frederic Schmitt of Bayer SAS/ENVU for supplying the insecticides. We also thank the community leaders and members of Za-Kpota District of the Zou region of Benin for their support and collaboration. We appreciate the staff of the CREC-LSHTM collaborative research programme (Ehoumi Marina, Imelda Glele, Apithy Danielle, Boris Ndombidje, Nadia Houeto, Ridwane Issiakou, Damien Todjinou etc.) for their support.