This work was carried out to identify the main spittlebugs species occuring on cattle producing area in Middle-North of Mato Grosso State. It were took monthly spittlebugs sampling from November/1999 to February/2000 in five counties, finding the following species: Barra do Bugres - Deois flavopicta (87%) and Mahanarva fimbriolata (13%); Colíder - D. flavopicta (81%) and M. fimbriolata (19%); Alta Floresta and São José do Rio Claro - D. flavopicta (72%) and M. fimbriolata (28%); Juara - D. flavopicta (51%), M. fimbriolata (37%) and Zulia entreriana (12%).
Deois flavopicta; Mahanarva fimbriolata; Zulia entreriana; grassland
