Bahder, B.W., Echavarria, M.A.Z., Barrantes, E.A.B., Helmick, E.E. and Bartlett, C.R. 2023. A new species of planthopper in the genus Shellenius (Hemiptera: Fulgoroidea: Derbidae) from palms in Costa Rica. Zootaxa. 5306, 5 (Jun. 2023), 571–585. DOI:https://doi.org/10.11646/zootaxa.5306.5.5.