A new, unusually dark, typhlocybine leafhopper (Hemiptera, Cicadellidae, Typhlocybinae, Erythroneurini) from China Author Song, Yuehua School of Karst Science, Guizhou Normal University / State Engineering Technology Institute for Karst Desertification Control, Guiyang, Guizhou 550001, China songyuehua@aliyun.com Author Yuan, Zhouwei School of Karst Science, Guizhou Normal University / State Engineering Technology Institute for Karst Desertification Control, Guiyang, Guizhou 550001, China Author Jiang, Jia School of Karst Science, Guizhou Normal University / State Engineering Technology Institute for Karst Desertification Control, Guiyang, Guizhou 550001, China text ZooKeys 2021 2021-06-04 1042 35 40 http://dx.doi.org/10.3897/zookeys.1042.63593 journal article http://dx.doi.org/10.3897/zookeys.1042.63593 1313-2970-1042-35 32E231DEBDC64F018FA5907F9D79982F 87C623877AA05FF3917DE7C0B9D7B88C Shibinga nigra sp. nov. Figs 1 , 2 Specimens examined. Holotype : , China , Guizhou Prov. , Shibing , Heichong , 24-28.v.2019 , coll. Zhouwei Yuan & Chao Tan. Paratypes : China , Guizhou Prov. , Shibing : 1♂ , same data as holotype ; 1♂ , Heichong , 22-24.x.2019 , coll. Zhouwei Yuan & Xiao Yang ; 2♂♂ , Niejiayan , 24-28.v.2019 , coll. Zhouwei Yuan & Chao Tan ; 1♂ , Wangjiazhuang , 24-28.v.2019 , coll. Zhouwei Yuan & Chao Tan ; 3♀♀ , Lutianba , 24-28.v.2019 , coll. Zhouwei Yuan & Chao Tan. Measurement. Body length, males 2.6-2.7 mm, females 2.7-2.8 mm. Description. Head, pronotum and mesonotum mainly blackish brown (Fig. 1A-F ). Vertex with an irregular yellowish spot on each side at apex, extending onto face. Face dorsally brown, frontoclypeus with a longitudinal medial line in upper half, yellow; anteclypeus brownish yellow; genae yellow (Fig. 1C, E ). Forewing dark brownish hyaline with three irregular yellowish white markings as in Fig. 1G . Legs yellow. Abdomen dark brown with margins of segments yellow. Figure 1. Shibinga nigra sp. nov. (♂) A habitus, dorsal view B habitus, lateral view C habitus, ventral view D head and thorax, dorsal view E face F face, lateral view G forewing H hind wing I genital capsule, lateral view J genital capsule, dorsal view. Male abdominal sternal apodemes short, not extending to hind margin of 3rd segment (Fig. 2J ); broad and expanded in lateral view (Fig. 2I ). Male genitalia as in generic description. Pygofer not extended to apex of subgenital plate, articulated dorsal appendage slightly curved distally (Fig. 2A ). Subgenital plate with 4 macrosetae laterally in distal half (Fig. 2C, F ). Style preapical lobe greatly enlarged (Fig. 2G, H ). Aedeagal shaft short and slim (Fig. 2D ); dorsal apodeme with dorsal lateral corners greatly extended and sharp apically (Fig. 2E ); preatrium moderately long, little longer or equal to length of shaft (Fig. 2D, E ); gonopore subapical on ventral surface (Fig. 2E ). Connective Y-shaped (Fig. 2L ). Figure 2. Shibinga nigra sp. nov. A male pygofer, lateral view B pygofer dorsal appendage C subgenital plate, ventrolateral view D aedeagus, lateral view E aedeagus, ventral view F subgenital plate, dorso-lateral view G style, ventral view H style, lateral view I left abdominal apodeme, lateral view J abdominal apodemes, ventral view K connective, dorso-lateral view L connective, ventral view M forewing N hind wing. Etymology. The species is named for its unusual dark color, from the Latin niger, black. Remarks. This species can be distinguished by external and male genitalia characters (see generic remarks).