1. Postgraduate Program in Plant Science, Faculty of Agronomy Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Rio Grande do Sul Brazil
2. Embrapa Trigo Passo Fundo Rio Grande do Sul Brazil
3. Embrapa Florestas Colombo Paraná Brazil
4. Department of Entomology and Acarology, Laboratory of Ecology and Forest Entomology University of São Paulo, ESALQ Piracicaba São Paulo Brazil
5. Institute of Agricultural Sciences, Federal University of Uberlândia (UFU) Uberlândia Minas Gerais Brazil