Validation of taxon names described in “ Deltocephalinae from China (Hemiptera: Cicadellidae) ” Author Dmitriev, Dmitry A. Prairie Research Institute, University of Illinois at Urbana-Champaign, Champaign, IL 61874, USA Author Li, Zizhong 0000-0003-1609-9992 Institute of Entomology, Guizhou University; Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Regio, Guiyang, Guizhou 550025 P. R. China Author Dai, Renhuai 0000-0001-7652-6808 Institute of Entomology, Guizhou University; Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Regio, Guiyang, Guizhou 550025 P. R. China Author Xing, Jichun Institute of Entomology, Guizhou University; Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Regio, Guiyang, Guizhou 550025 P. R. China text Zootaxa 2024 2024-01-19 5403 2 269 278 http://dx.doi.org/10.11646/zootaxa.5403.2.5 journal article 10.11646/zootaxa.5403.2.5 1175-5326 10561826 1D7E2EE0-2FE8-4795-A9A4-ACFC2FFC45E4 Longicornus longus Xing & Li sp.nov. Longicornus longus Xing & Li, 2011 in Li, Dai & Xing, 2011: 112 ; unavailable Holotype : , China : Yunnan Province , Tengchong , 15 July 2002 , coll. Renhuai Dai. Type repository: Institute of Entomology , Guizhou University , Guiyang , China ( GUGC ). Longicornus yunnanensis Xing & Li, 2011 in Li, Dai & Xing, 2011: 112 ; unavailable Note: the name is not validated hire since it was treated as synonym of Longicornus flavipuncatus Li & Song, 2008:27 by Fang & Xing, 2018 .