1. Department of EntomologyUniversidade Federal de Viçosa Av. P. H. Rolfs, s/n Viçosa MG 36570–900 Brazil
2. Department of ChemistryUniversidade Federal de Viçosa Av. P. H. Rolfs, s/n Viçosa MG 36570–900 Brazil
3. Department of EntomologyUniversity of Nebraska-Lincoln Entomology Hall, 103, 1700 E Campus Mall Lincoln NE 68583 USA
4. Department of Plant, Soils, and Agricultural Systems, Southern IllinoisUniversity Carbondale 1205 Lincoln Dr Carbondale IL 62901 USA