1. Faculty of Agricultural Sciences; National University of Cordoba (UNC); Cordoba Argentina
2. Departamento de Fitotecnia; Universidade Federal de Viçosa; Viçosa Brazil
3. Departamento de Entomologia/BIOAGRO; Universidade Federal de Viçosa; Viçosa Brazil
4. Department of Agricultural Parasitology; Chapingo Autonomous University; Chapingo México
5. Bayer CropScience Mexico; Mexico City Mexico
6. Department of Agricultural Chemistry and Edaphology; University of Cordoba; Cordoba Spain