Nilakhe, Shashank S., et al. “Influence of Collection Method and Collection Time on Survival, Sexual Proportion and Number of Spittlebug Adults Captured”. Pesquisa Agropecuaria Brasileira, vol. 22, no. 09/10, Apr. 2014, pp. 929-34, doi:10.1590/S1678-3921.pab1987.v22.14754.