Oniella nigronotum

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) : -

5. Oniella nigronotum Li & Chen

(Figs. 5, 10, 15, 20, 74–79)

Oniella fasciata Li & Chen, 1999: 90.

Description. Color pattern of crown and face as in O. fasciata ; anterior and lateral margin of pronotum yellowish white, other part chocolate-brown; scutellum chocolate-brown, except yellowish white apex; color pattern of forewing as in O. fasciata , but margin of apical angle brown (Figs. 5, 10, 15, 20).

Pygofer dorsal appendage extremely long, distal half thin and curved ventrad ( Fig. 74 ). Subgenital plate as as long as pygofer, but near the middle area expanded ( Fig. 75 ). Style apical process elongate, curved laterally; lateral lobe well-developed with group of small setae ( Fig. 79 ). Connective Y-shaped, arms short than stem ( Fig. 78 ). Aedeagus expanded obviously at base, with two pairs of slender appendages arising from lateral atrial lobes and curved anteroventrad and posteroventrad, respectively, aedeagal shaft short, curved dorsad ( Figs. 76–77 ).

Measurements. Male body length 4.5 & 4.8mm, female body length 4.7 & 4.8mm (including wing).

Material examined. 13, China: Yunnan Prov., Jiangcheng, 1100m, 26-October-1982; 13, China: Tibet Prov., Motuo, Didong, 970m, 14-July-1980, coll: Wu Jianyi; 1Ƥ, China: Yunnan Prov., Kunming, Hotspring, 21-April- 1982, coll: Wang Sumei and Zhou Jingruo; 1Ƥ, China: Yunnan Prov., Menga, 18-April-1982, coll: Wang Sumei and Zhou Jingruo.

Distribution. China (Yunnan, Guizhou, Tibet).

Remarks. O. nigronotum can be easily recognized from other species of Oniella by the two pairs of slender processes arising from lateral atrial lobes and curved anteroventrad and posteroventrad, respectively, aedeagal shaft short, curved dorsad.

6. Oniella centriganga Li & Chen ( Figs. 73–82 )

Oniella centriganga Li & Chen, 1997: 169. Oniella centriganga Li & Chen, 1999: 82.

Distribution. China (Guizhou).

Figures

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.

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.