Blackmer, J. L., and P. Hanson. 1997. “Abundance and Life History of Two Gall-Inducing Homopterans on Nectandra Salicina (Lauraceae) in Monteverde, Costa Rica”. Revista De Biología Tropical 45 (3):1131–1137. https://doi.org/10.15517/rbt.v45i3.32120.