1. University of Florida, Entomology and Nematology Department, Gainesville, Florida 32611, USA; E-mails: (S. G.), (N. C. L.); (A. C. H.)
2. Escuela Superior Politécnica del Litoral, Centro de Investigaciones Biotecnológicas del Ecuador, Guayaquil, Ecuador;(L. E. L.)
3. University of Florida, Mid-Florida Research & Education Center, Apopka, Florida 32703, USA;
4. University of Florida, Department of Statistics, Gainesville, Florida 32611, USA;