Lethierium Dlabola, 1980 transferred from [Fulgoromorpha, Fulgoroidea, Issidae, Issinae, Issini, Hysteropterina] to [Fulgoromorpha, Fulgoroidea, Issidae, Issinae, Issini, Issina] according to Gnezdilov (2016): 343
Lethierium Dlabola, 1980 transferred from [Fulgoromorpha, Fulgoroidea, Issidae, Issinae, Issini, Issina] to [Fulgoromorpha, Fulgoroidea, Issidae, Issinae, Hysteropterini] according to Wang et al. (2016): 242