Nomenclatural changes in the suborders Auchenorrhyncha (Hemiptera) and Paleorrhyncha (Palaeohemiptera) Author Dmitriev, Dmitry A. text Zootaxa 2020 2020-11-18 4881 1 25 53 journal article 7939 10.11646/zootaxa.4881.1.2 7456d3a8-6a8f-48b0-8e30-ecd577e04c2e 1175-5326 4425714 83984052-D4D5-47AE-96E1-A232EF843F9B Philaenini Philaenus ceylonicus nom.nov. = Philaenus pallidus ( Melichar, 1903b: 135 ) (original genus Ptyelus ; from Ceylon ) secondary homonym of Cercopis spumaria var. pallida Zetterstedt, 1828a: 515 (synonym of Philaenus spumarius ( Linnaeus, 1758a: 437 )) Etymology: from Ceylon , adjective. Notes: The name Philaenus pallidus ( Melichar, 1903 ) could not be preserved under ICZN article 23.9 since the senior homonym was used as a valid subspecies name after 1899 and the junior homonym was not used as valid in 25 works, published by at least 10 authors.