On the taxonomy of some Fulgoroidea (Hemiptera)

Issidae: Ardelia Melichar, 1907 is placed in synonymy under Vishnuloka Distant, 1906 and Vishnuloka cuneata Distant, 1906 – under Vishnuloka prominula Distant, 1906; Delia deserta Melichar, 1906 is transferred to the genus Vishnuloka. Nogodinidae: Narayana buruensis Schmidt, 1926 is transferred to the genus Scalabis Stal, 1870, Hysteropterum solidum Melichar, 1911 – to the genus Mangola Melichar, 1906, and Hysteropterum ecarinatum Synave, 1956 – to the genus Telmosias Fennah, 1967; Oryxana subrecta Jacobi, 1941 and Buehleria rabana Lallemand et Synave, 1953 are placed in synonymy under Oryxana suturalis (Melichar, 1906). Acanaloniidae: Amphiscepa subpellucida Fowler, 1904 is transferred to the genus Acanalonia Spinola, 1839. Tropiduchidae: Nacmusius Jacobi, 1944 is placed in synonymy under Cixiopsis Matsumura, 1900; Nacmusius chelydinus Jacobi, 1944 is transferred to the genus Cixiopsis. A key to the species of the genus Vishnuloka is provided. Lectotypes are designated for Amphiscepa subpellucida Fowler, 1904, Delia deserta Melichar, 1906, Issina suturalis Melichar, 1906, Narayana buruensis Schmidt, 1926, Oryxana subrecta Jacobi, 1941, Vishnuloka cuneata Distant, 1906, and V. prominula Distant, 1906.