Neobelocera

Hou, Xiao-Hui & Chen, Xiang-Sheng, 2010, Review of the Oriental bamboo delphacid genus Neobelocera Ding & Ya n g (Hemiptera: Fulgoromorpha: Delphacidae) with the description of one new species, Zootaxa 2387, pp. 39-50 : 42

Key to known species of Neobelocera

1. Frons with pale transverse stripe below level of lower margin of eyes ( Figs 3 , 18 ; Ding et al. 1986: Fig. 6 : 2; Ding 2006: Fig. 98: B) .......................................................................................................................................................... 2

- Frons without pale transverse stripe ( Fig. 10 ; Zhu 1988: Fig. 2 ; Ding 2006: Fig. 99: B, Fig. 100: B; Qin & Yuan 1998: Fig. 1 : B) ............................................................................................................................................................. 3

2(1) Frons without dark transverse stripes, genae without light brown spots ( Fig. 3 ); pygofer with medioventral processes, median one short and tapering, lateral ones slender, long ( Figs 4, 5 ); aedeagus as thick as process of phallobase, aedeagus with node and 4 long processes at apex ( Fig. 7 ); genital styles without process, tapering apically ( Fig. 8 ) .......................................................................................................................................... N. lanpingensis Chen

- Frons with some short, dark transverse stripes along inner margin of lateral carina, genae with 2–3 light brown spots ( Ding et al. 1986: Fig. 6 : 2; Ding 2006: Fig. 98: B); pygofer without medioventral process ( Ding et al. 1986: Fig. 6 : 3, 7; Ding 2006: Fig. 98: C, G); aedeagus markedly thicker than process of phallobase, apex of aedeagus rounded, without process ( Ding et al. 1986: Fig. 6 : 4; Ding 2006: Fig. 98: D); genital styles stick-shape, apical part rounded, with a nipple-like process at subapical 1/3 ( Ding et al. 1986: Fig. 6 : 5; Ding 2006: Fig. 98: E) .................................. ......................................................................................................................................... N. asymmetrica Ding & Yang

3(1) Ventral margin of pygofer without any process ( Qin & Yuan 1998: Fig. 1 : D; Ding 2006: Fig. 100: C, G).............. 4

- Ventral margin of pygofer with 2 lateral processes ( Figs 12 , 23, 24 ) .......................................................................... 5

4(3) Frons longer at midline than wide at widest part, ratio about 1.8:1; aedeagus slender, long, compressed, not forked at apex ( Qin & Yuan 1998: Fig. 1 : C, E); genital styles broad, with branch-like processes near apex ( Qin & Yuan 1998: Fig. 1 : C, F, G) ................................................................................................................. N. hanyinensis Qing & Yuan

- Frons longer at midline than wide at widest part, ratio about 1.6:1; aedeagus compressed, forked at apex ( Ding 2006: Fig. 100: E); genital styles slender, without branch-like processes ( Ding 2006: Fig. 100: I) .... N. zhejiangensis (Zhu)

5(3) Ventral margin of anal segment without process ( Fig. 12 ); pygofer with 2 slender, long, lateral processes ( Fig.12 ); process of phallobase absent ( Fig. 14 ); genital styles with a long process subapically ( Figs 15, 16 ) ........................... ........................................................................................................................................ N. laterospina Chen & Liang

- Ventral margin of anal segment with a short, stout process medially ( Figs 20, 21, 24 ); pygofer with 2 small, stout, lateral processes ( Figs 23, 24 ); processes of phallobase developed ( Figs 25, 26 ) .................................... N. lii sp. nov.

Figures

FIGURES 1 – 8. Neobelocera lanpingensis Chen, male. (1) Adult, dorsal view; (2) Head and thorax, dorsal view; (3) Frons and clypeus; (4) Male genitalia, posterior view; (5) The same, left side; (6) Anal segment, left side; (7) Aedeagus, left side; (8) Genital style, left side. Scale bars = 2.0 mm (Fig. 1), 0.5 mm (Figs 2 – 3), 0.2 mm (Figs 4 – 5), 0.25 mm (Figs 6 – 8) (All figures are reproduced from Chen, 2003 a)

FIGURES 17 – 29. Neobelocera lii Hou & Chen, sp. nov. (17) Head and thorax, dorsal view; (18) Frons and clypeus; (19) Forewing; (20) Anal segment, lateral view; (21) The same, ventral view; (22) Male genitalia, lateral view; (23) Male pygofer, posterior view; (24) Male genitalia, caudal view; (25) Aedeagus, left side; (26) Aedeagus, dorsal view; (27) Right genital style, posterior view; (28) Right genital style, lateral view; (29) Female genitalia, ventral view. Scale bars = 1.0 mm.

FIGURES 9 – 16. Neobelocera laterospina Chen & Liang. (9) Head and thorax, dorsal view; (10) Frons and clypeus; (11) Forewing; (12) Male genitalia, posterior view; (13) The same, left side; (14) Aedeagus, left side; (15) Genital style, posterior view; (16) The same, lateral view. Scale bars 0.5 mm (Figs 9 – 10), 1.0 mm (Fig. 11), 0.2 mm (Figs 12 – 16) (All figures are reproduced from Chen & Liang, 2005)