Trifida Dworakowska

Huang, Min, Kang, Juxia & Zhang, Yalin, 2018, First record and new species of the Oriental leafhopper genus Trifida Thapa & Sohi (Hemiptera: Cicadellidae: Typhlocybinae) from China, Zootaxa 4420 (4), pp. 593-599 : 594

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.

Figures

FIGURES 17–23. T. quadripunctata Thapa & Sohi, 1986, rec. nov. 17, aedeagus, lateral view. 18, aedeagus and connective, posterior view. 19, paramere. 20, subgenital plate, ventral view. 21, abdominal apodemes. 22, pygofer side, lateral view. 23, pygofer, dorsal view.

FIGURES 35–39. T. elongata sp. nov. 35, aedeagus, lateral view. 36, aedeagus and connective, posterior view. 37, paramere. 38, pygofer side, lateral view. 39. subgenital plate, ventral view.

FIGURES 24–27. T. eleganta sp. nov. 24, aedeagus, lateral view. 25, aedeagus and connective (posterior view), paramere (ventral view). 26, pygofer side, lateral view. 27. subgenital plate, ventral view.

FIGURES 28–34. T. robusta sp. nov. 28, aedeagus, lateral view. 29, aedeagus and connective, posterior view. 30, paramere. 31, pygofer capsule, lateral view. 32, subgenital plate, ventral view. 33, forewing. 34, hindwing.