First record and new species of the Oriental leafhopper genus Trifida Thapa & Sohi (Hemiptera: Cicadellidae: Typhlocybinae) from China Author Huang, Min Author Kang, Juxia Author Zhang, Yalin text Zootaxa 2018 4420 4 593 599 journal article 29160 10.11646/zootaxa.4420.4.10 0b9df035-0ebc-4682-bd9a-83b187b53612 1175-5326 1455371 F00846D5-B008-41DC-A541-D9E031D801C3 Key to species of the genus Trifida Dworakowska (male) 1. Aedeagal shafts slender in lateral view, each with 2 apical appendages directed dorsad and subapical one extended ventrad ( Fig.17 )............................................................. T. quadripunctata Thapa et Sohi rec. nov. - Aedeagal shafts broadened in lateral view with appendages subapical or medial and directed ventrad................... 2 2. Aedeagal shafts strongly divergent from dorsal apodeme in lateral view, each with> 3 short tooth-like projections near middle length.......................................................................... T melichari (Distant,1908) - Aedeagal shafts only slightly divergent from dorsal apodeme in lateral view with 1–2 longer medial or preapical processes. 3 3. Extensions of aedeagal shaft well separated from each other ( Fig.35 )............................. T. elongata sp. nov. - Extensions of aedeagal shaft connected basally..............................................................4 4. Apex of dorsal apodeme slender in posterior view ( Fig.25 )...................................... T. eleganta sp. nov. - Apex of dorsal apodeme broadened in posterior view ( Fig.29 ).................................... T. robusta sp.nov.