1. Département de Production Végétale; Faculté des Sciences Agronomiques (FSA); Université d'Abomey-Calavi (UAC); 03 BP 2819 Cotonou Benin
2. International Institute of Tropical Agriculture (IITA); Tri Postal 08 BP 0932 Cotonou Benin
3. Direction of Agriculture (DAGRI); Plant Protection and Quarantine Service (SPVCP); Porto-Novo Benin
4. Department of Plant Protection Biology; Swedish University of Agricultural Sciences (SLU); 230 53 Alnarp Sweden