1. Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE
2. Agronomy, Horticulture & Plant Science, South Dakota State University, Brookings, SD
3. Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE
4. Instituto Nacional de Tecnología Agropecuaria, Ruta Oro Verde Entre Ríos, Argentina