1. Laboratorios Biocol S.A.S., Cra 8 #5-49, La Victoria, Valle del Cauca, Colombia; E-mail: b.arboleda@laboratoriosbiocol.com (B. A.)
2. Colombian Sugarcane Research Center (Cenicaña), Varietal Program, Entomology, Calle 58 N #3BN-110, Cali, Valle del Cauca, Colombia; E-mail: gavargas@cenicana.org (G. V.)