Chinaocerus bispinatus Zhang & Li

Dang, Li-Hong, Zhang, Bin & Li, Zi-Zhong, 2016, Studies on idiocerine leafhoppers with descriptions of Chinaocerus gen. nov. and three new species from China (Hemiptera: Cicadomorpha: Cicadellidae), Zootaxa 4088 (2), pp. 236-244 : 237-240

Chinaocerus bispinatus Zhang & Li sp. nov.

( Figs 1–2 , Figs 5–6 , Figs 11–20 )

Male. Body pale brown with black patches. Vertex yellowish brown, with dark brown maculae on either side of median line closer to eyes, blackish; pair of large dark areas in middle of vertex ( Fig. 1 ). Frons, frontoclypeus, clypellus, and Lora yellowish. Gena pale yellow with small black spot near antennal pits ( Fig. 5 ). Eyes yellowish brown. Ocelli yellowish white. Pronotum ( Fig. 1 ) with a pair of triangular black spots on anterior margin and a brownish sinuate stripe medially. Scutellum ( Fig. 1 ) yellowish brown with basal triangles black, a round discal spot on either side of median line. Forewings pale brown, veins dark brown.

Male genitalia. Pygofer elongate, broadly triangular in lateral view ( Figs 11, 12 ). Anal collar processes elongate, expanded subapically. Subgenital plates narrow and long with prominent macrosetae on subapical margin. Apophysis of style ( Fig. 14 ) with outer margin bearing approximately 18–19 lateral setae. Aedeagal shaft ( Figs 15–16 ) elongate, nearly straight and rounded apically; subapex curved dorsad with pair of slender distal processes and two small spinelike processes arising near base of gonopore.

Female. Body brown ( Fig. 2 ). Vertex and scutellum fulvous, without marking. Frons, frontoclypeus, anteclypeus, gena, and lora pale brown ( Fig 4 ). Pronotum with large sinuate fulvous stripe in central area. Forewing fulvous.

Female genitalia. Pygofer narrow ( Fig. 19 ) elongate, posterior margin of sternite VII convexly rounded with a small median emargination. Second valvulae ( Fig. 20 ) parallel-sided in lateral view, bearing approximately 27 teeth along dorsal margin.

Measurements (mm). Male: body length 5.6–5.7, face length 1.4–1.5, width 1.5–1.6; distance between ocelli 0.53–0.55; distance from ocellus to eyes 0.25–0.17; medial length of pronotum 0.55–0.56, width 1.5–1.6; scutellum length 0.82–0.85, width 1.1–1.3. Female: body length 5.6–6.1, face length 1.52–1.58, width 1.86–1.88; distance between ocelli 0.55–0.57; distance from ocellus to eyes 0.33–0.37; medial length of pronotum 0.62–0.66, width 1.61–1.65; scutellum length 0.93–0.96, width 1.13–1.16.

Material examined. Holotype: male, China, Yunnan Province, Jianchuan County (26°30′N, 99°45′E), 13.viii. 2009, Bin Zhang. Paratypes: 1 male, 2 females, same date as holotype.

Host plant. Unidentified shrubs.

Distribution. China: Yunnan.

Remarks. This species is related to Chinaocerus kangdingensis sp, nov. in body appearance and coloration, but can be distinguished by the following: tenth segment with well-developed anal collar process; aedeagal shaft elongate, nearly straight, in lateral view with subapex curved dorsad with pair of slender distal processes and two small spine-like processes arising basad of gonopore.

Etymology. This species name is from the Latin “bi” (two) and “spina” (spines), which refers to the two small spinelike processes of the aedeagus shaft.

Figures

FIGURE 1 – 4. Chinaocerus dorsal habitus. 1. C. bispinatus male; 2. C. bispinatus female. 3. C. kangdingensis male; 4. C. kangdingensis female.

FIGURE 5 – 10. Chinaocerus head and face. 5. C. bispinatus male; 6. C. bispinatus female; 7. C. kangdingensis male; 8. C. kangdingensis female; 9, 10. C. shii male.

FIGURE 11 – 20. Chinaocerus bispinatus. 11. genital capsule, lateral view; 12. ventral margin of pygofer; 13. Valve; 14. style, lateral view; 15, 16. aedeagus, lateral and ventral view; 17, 18. connective lateral and ventral view; 19. female genitalia, ventral and lateral view; 20. apex of second valvula of ovipositor, lateral view.