Oniella

Min, Gao & Zhang, Yalin, 2013, Review of the leafhopper genus Oniella Matsumura (Hemiptera: Cicadellidae), with description of a new species from China, Zootaxa 3693 (1) : -

Key to males of the genus Oniella

1. Forewing entirely white (Figs. 3, 8)............................................. O. albula (Cai & Shen) n. comb.

- Forewing with prominent dark colored stripes, bands or large spots (Figs. 1–2, 4–5, 6–7, 9–10, 83, 90).................. 2

2. Forewing with irregular longitudinal stripes extended from base to apex (Figs. 1–2, 6–7)............................. 3

- Forewing with transverse bands (Figs. 4, 9, 83, 90) or large spots (Figs. 5, 10).....................................4

3. Crown of head entirely white or yellow (Figs.1, 11); aedeagal shaft without long processes ( Fig. 35 )... O. honesta (Melichar)

- Crown of head black with lateral margins white (Figs. 2, 12); aedeagal shaft with two pairs of slender, long basal processes ( Figs. 58–59 )....................................................................... O. shaanxiana sp. nov.

4. Forewing with at least one band crossing entire width (Figs. 4, 9, 83, 90); male pygofer dorsoposterior angle rounded ( Figs. 68 , 85 , 92 ); aedeagus without processes on dorsal apodeme ( Figs. 70–71 , 87 , 94–95 )................................... 5

- Forewing with no bands or spots crossing entire width (Figs. 5, 10); male pygofer dorsoposterior angle produced into long pro- cess ( Fig. 74 ); aedeagus with two pairs of processes on dorsal apodeme ( Figs. 76–77 )........... O. nigronotum Li & Chen

5. Pronotum and mesonotum immaculate ( Fig. 80 ); aedeagal shaft with two pairs of apical processes ( Fig. 87 )............................................................................................... O. centriganga Li & Chen

- Pronotum and mesonotum with dark brown areas (Figs. 4, 14, 90); aedeagal shaft with one pair of apical processes ( Figs. 70– 71 , 94–95 )........................................................................................... 6

6. Aedeagal shaft strongly S-shaped in lateral view with only one pair of ventrally directed process ( Figs. 94–95 ).......................................................................................... O. ternifasciatata Li & Chen

- Aedeagal shaft weakly S-shaped with pair of short laterally directed and pair of longer subapical processes ( Figs. 70–71 )....................................................................................... O. fasciata Li & Wang

Figures

FIGURES 33 – 37. Oniella honesta Melichar: 33, male pygofer, lateral view; 34, subgenital plate, lateral view; 35, aedeagus, lateral view; 36, connective dorsal view; 37, style, dorsal view.

FIGURES 56 – 61. Oniella shaanxiana sp. nov.: 56, male pygofer, lateral view; 57, subgenital plate, lateral view; 58, aedeagus, lateral view; 59, aedeagus, posteroventral view; 60, connective dorsal view; 61, style, dorsal view.

FIGURES 68 – 73. Oniella fasciata Li & Wang: 68, male pygofer, lateral view; 69, subgenital plate, lateral view; 70, aedeagus, posteroventral view; 71, aedeagus, lateral view; 72, connective dorsal view; 73, style, dorsal view.

FIGURES 80 – 89. Oniella centriganga Li & Chen (after Li & Chen, 1997): 80, anterior dorsum (crown, pronotum and mesonotum); 81, face; 82, anterior lateral (crown, pronotum and mesonotum); 83, forewing; 84, hindwing; 85, male pygofer, lateral view; 86, subgenital plate, lateral view; 87, aedeagus, lateral view; 88, connective dorsal view; 89, style, dorsal view.

FIGURES 90 – 96. Oniella ternifasciatata Cai & Ge (after Cai & Ge, 1996): 90, habitus, dorsal view; 91, face; 92, male pygofer, lateral view; 93, subgenital plate, lateral view; 94, aedeagus, posteroventral view; 95, aedeagus, lateral view; 96, style, dorsal view.

FIGURES 74 – 79. Oniella nigronotum Li & Chen: 74, male pygofer, lateral view; 75, subgenital plate, lateral view; 76, aedeagus, posteroventral view; 77, aedeagus, lateral view; 78, connective dorsal view; 79, style, dorsal view.