Melo, L.A.S. and Neto, S.S. 2014. Sampling types and population evolution of the spittlebug. Pesquisa Agropecuaria Brasileira. 18, 12 (Apr. 2014), 1303–1309. DOI:https://doi.org/10.1590/S1678-3921.pab1983.v18.15488.