Lee, Y.J. 2023. Circumscription of the genus Vietanna Lee & Pham, 2021 (Cicadidae: Leptopsaltriini) resulting in the synonymy of Duffelsa Wang et al., 2023. Zootaxa. 5361, 2 (Nov. 2023), 292–296. DOI:https://doi.org/10.11646/zootaxa.5361.2.10.