A remarkable microleafhopper genus Koreoneura gen. nov. and newly recorded genus of the tribe Dikraneurini from Korea (Homoptera: Cicadellidae: Typhlocybinae) Author Hossain, Md. Shamim 0000-0001-9207-7344 School of Applied Biosciences, Kyungpook National University, Daegu 702 - 701, Korea & shamim. bsmrau @ gmail. com; https: // orcid. org / 0000 - 0001 - 9207 - 7344 shamim.bsmrau@gmail.com Author Kwon, Jin Hyung 0000-0002-1134-2255 School of Applied Biosciences, Kyungpook National University, Daegu 702 - 701, Korea & jhkwon @ illinois. edu; https: // orcid. org / 0000 - 0002 - 1134 - 2255 jhkwon@illinois.edu Author Suh, Sang Jae 0000-0002-7489-3193 School of Applied Biosciences, Kyungpook National University, Daegu 702 - 701, Korea & sjsuh @ knu. ac. kr; https: // orcid. org / 0000 - 0002 - 7489 - 3193 sjsuh@knu.ac.kr Author Kwon, Yong Jung 0000-0002-5952-0997 School of Applied Biosciences, Kyungpook National University, Daegu 702 - 701, Korea & yjkwon @ knu. ac. kr; https: // orcid. org / 0000 - 0002 - 5952 - 0997 yjkwon@knu.ac.kr text Zootaxa 2021 2021-04-06 4951 2 353 360 journal article 7395 10.11646/zootaxa.4951.2.8 9c028f67-5ce1-41d2-ad4d-21424bb8057c 1175-5326 4664257 823E429D-B57C-40B9-924D-A95E90686B1D Koreoneura eunyeopae Hossain et J. Kwon , gen. et sp. nov. ( Figs. 4–15 ; 16–19 ) Description. Biggest microleafhopper so far reported from East Asia ; general body color brownish orange with black markings, darker in fresh specimens; head much narrower than pronotum, crown with 2 black submedial spots, short and broad, anterior and posterior margin more or less parallel. Pronotum broadened compared to head and scutellum, widened posteriorly, with anterior margin roundly produced, posterior margin a little concave. Frontoclypeus broadly bordered laterally with dark brown in color, anteclypeus and gena dark brown, lorum and rostrum yellowish brown. Forewing orange, apical portion hyaline; hindwing subhyaline. Second abdominal sternal apodeme in male with posterior lobes well developed, reaching to end of 4th sternite. FIGURES 16–19. Koreoneura eunyeopae sp. nov. : 16. Front leg, ventral view; 17. Hind leg, dorsolateral view; 18. Hind tarsi, dorsolateral view; 19. Hind tarsi, ventrolateral view showing apical crown spines. Male genitalia. As described for genus. Length. Male 5.3–5.5mm , female 5.5–5.7mm . Type material. Holotype male, Korea , Jeonnam Province : Mt. Mudeungsan , on Cornus coreana , 26.VII.1981 , Y.J. Kwon ; paratypes , 13 males and 14 females , same data as holotype; 6 females , Korea , Gyeongbuk Province , Mt. Sambongsan , 14.VIII.1997 ; 5 males & 5 females , Korea , Gyeongbuk Province , Angang -eup, VII. 24. 2019 ; all same host and collector. Distribution. Korea (South). Etymology. The species is named in honor of Dr. Eun Yeop Huh , who first identified the species in Korea . Host plant. Cornus coreana . Remarks. This is the biggest (> 5.5mm ) among the known typhlocybine leafhoppers from East Asia , so far.