Species

Oliaridus hesperius (Van Duzee, 1917)

Descendants and synonyms

Oliarus hesperius Van Duzee, 1917a: 307.
Holotype; male; Type No. 374; deposited at: California Academy of Sciences, San Francisco, California (CASC); U.S.A., California: Santa Clara Co., Los Altos, VII-1916, W.M. Giffard
Melanoliarus hesperius (Van Duzee, 1917) in Hendrix & Bartlett, 2025: 7.

Van Duzee, E.P. (1917a) Report upon a collection of Hemiptera made by Walter M. Giffard in 1916 and 1917, chiefly in California. Proceedings of the California Academy of Sciences, 7(4), 249–318.
Hendrix, S.V. & Bartlett, C.R. (2025) Reclassification of the planthopper genus Melanoliarus Fennah, 1945 (Hemiptera: Fulgoromorpha: Cixiidae), primarily north of Mexico, with notes on American Pentastirini. Zootaxa, 5619(1), 1–87. https://doi.org/10.11646/zootaxa.5619.1.1

Gender, form, and etymology

Etymology:

Greek (ἑσπέριος): western, of the evening

Summary of taxonomic names by rank, showing valid extant names, fossil names, invalid names, and total counts.
Taxon	Valid names
Rank	Extant	Fossil	Invalid	Total
Species	1	0	2	3