Stirellus capitatus ( Distant, 1918 )

Duan, Yani, Webb, M. D. & Zhang, Yalin, 2016, Review of the leafhopper tribe Stenometopiini (Hemiptera: Cicadellidae: Deltocephalinae) from China with description of four new species, Zootaxa 4171 (1), pp. 101-138 : 108-111

Stirellus capitatus ( Distant, 1918)

( Figs. 4–6 )

Viridomarus capitatus Distant, 1918: 70 , Fig. 37.

Viridomarus brevialatus Xing et al, 2009: 590, Figs. 8–14 , 23 , syn. nov. Viridomarus laticellus Xing et al, 2009: 592, Figs. 15–21 , 24 , syn. nov. Stirellus capitatus, Li et al, 2011 : 271, Fig. 5 –272.

Length. Male: 3.1–4.1mm; female: 3.6–4.8mm.

Color. General color stramineous ( Figs. 4–5 ). The lateral margins of vertex usually pale stramineous, with tip of vertex blackish brown, usually with two light brown lines under the blackish brown ( Figs. 4 A–D, 5A–D).

Body. Vertex longer than twice width between eyes, elongately subtriangular, narrowed to apex which is broadly subacute ( Figs. 4 A–D, 5A–D). Ocellus far away from eye on anterior margin ( Fig. 5 E). Eye relatively small ( Figs. 4 A–D, 5A–D). Anteclypeus tapering to apex, not extending beyond normal curve of genae ( Figs. 4 E, 5F). Pronotum nearly as long as 0.5x median length of crown. Mesonotum and scutellum shorter than pronotum ( Figs. 4 A–D, 5A–D). Forewing macropterous to submacropterous, usually exposing apex of abdomen in female and sometimes in male ( Figs. 4 A–D, 5A–E).

Male. Pygofer side with few macrosetae dorsally, apex angulate ( Fig. 6 A–B). Subgenital plate strongly convex laterally, macrosetae nearly uniseriate centrally ( Fig. 6 D). Style apophysis digitate, laterally curved ( Fig. 6 E–F). Connective stem shorter than arms ( Fig. 6 G). Aedeagal shaft long, strongly bent dorsally at near base and then sloping and bent ventrally, tip pointed and slightly curved dorsad ( Fig. 6 H–J).

Female. Hind margin of seventh sternum straight ( Fig. 5 G).

Material examined. Syntypes: 1Ƌ, 1♀ (on same card), of Viridomarus capitatus Distant, S. India, Chikkaballapura, T.V. Campbell ( BMNH). Other material : China, Hainan Prov.: 1♀, Mt. Jianfeng , 4 January 1981, coll. Chen Zhenke (SYU); 16Ƌ , 21♀, Xishayongxing Island, 20 March 1965; 8Ƌ , 2♀, Sanya City, Yacheng Town , 10–17 June 1985, coll. Zhang Yalin ; 1Ƌ, 3♀, Sanya City, Yacheng Town , 14/ 16 June 1985 coll. Zhang Yalin, at light; 11Ƌ , 15♀, Bawangling , 20 May 2007, coll. Duan Yani ; 1Ƌ, Baisha County, Mt. Yinggeling , 20 May 2007, coll. Duan Yani ; Hunan Prov.: 1Ƌ, Chenzhou City , 7 August 1985, coll. Zhang Yalin & Chai Yonghui ; Yunnan Prov.: 1♀, Yuanmou County, 26 July 2005, coll. Li Qiao ; 1Ƌ, 2♀, Yuanmou County, 17–29 November 2005, coll. Li Qiao .

Distribution. India; Thailand; China (Hainan, Hunan, Yunnan).

Remarks. This species was described from an unknown number of specimens (syntypes) with data: “South India; Chikkaballapura (T.V. Campbell)”. A male and female syntype are present in the BMNH. This species can be identified by tip of vertex blackish brown and its relatively long head. Specimens from Thailand (BMNH) have also been seen. Xing, Dai & Li (2009) established V. brevialatus and V. laticellus based on differences in the length of the forewing and shape of the apex of the male pygofer side. However, from examining many specimens from China, we found these characters to be variable in S. capitatus , hence the above synonymy. Comparisons were made with the types of S. capitatus and our Chinese material together with the original figures of V. brevialatus and V. laticellus .

Figures

FIGURE 4. Stirellus capitatus. Male. A – D: habitus, dorsal view; E: face.

FIGURE 5. Stirellus capitatus. Female. A – D: habitus, dorsal view; E: habitus, lateral view; F: face; G: the end of female abdomen, ventral view.

FIGURE 6. Stirellus capitatus. A, C: male pygofer and segment X – XI, lateral and dorsal view, respectively; B: male pygofer side, lateral view; D: valve and subgenital plate, ventral view; E – F: style, dorsal view; G: connective, dorsal view; H: aedeagus, dorsal view; I: connective and aedeagus, lateral view; J: aedeagus, lateral view.

FIGURE 8. Stirellus daii sp. nov. A, B: male pygofer and segment X – XI, lateral and dorsal view, respectively; C: valve and subgenital plates, ventral view; D – E: style, dorsal view; F – G: connective, dorsal view; H, J: aedeagus, dorsal view; I, K: aedeagus, lateral view.

FIGURE 9. Stirellus grandis. A – C: male; D – G: female. A, D: habitus, dorsal view; B, E: habitus, lateral view; C, F: face; G: the end of female abdomen, ventral view.

FIGURE 10. Stirellus grandis. A – B: male pygofer and segment X – XI, lateral view; C: male pygofer and segment X – XI, dorsal view; D: valve, subgenital plates and styles, ventral view; E – F: style, dorsal view; G: connective, dorsal view; H: aedeagus, dorsal view; I: connective and aedeagus, lateral view.

FIGURE 11. Stirellus indrus. Male. A – H: habitus, dorsal view; I: face.

FIGURE 12. Stirellus indrus. Female. A – G: habitus, dorsal view; H: habitus, lateral view; I: face; J: the end of female abdomen, ventral view.

FIGURE 13. Stirellus indrus. A – B: male pygofer side, lateral view; C: male pygofer and segment X – XI, dorsal view; D: valve, subgenital plates and styles, ventral view; E – F: style, dorsal view; G: connective, dorsal view; H: aedeagus, ventral view; I – K: connective and aedeagus, lateral view.

FIGURE 14. Stirellus indrus. A: syntypes of Aconura bipunctella; B: ♂ – A, habitus, dorsal view; C: ♂ – A, habitus, lateral view; D: labels.

FIGURE 15. Stirellus multipunctatus sp. nov. Male. A: habitus, dorsal view; B: habitus, lateral view; C: face.

FIGURE 16. Stirellus multipunctatus sp. nov. A: male pygofer side, lateral view; B: valve and subgenital plate, ventral view (valve is broken); C – D: style, dorsal view; E: connective, dorsal view; F: aedeagus, dorsal view; G: connective and aedeagus, lateral view.

FIGURE 17. Stirellus neospeciosus sp. nov. A: male; B – F: female. A – C: habitus, dorsal view; D: habitus, lateral view; E: face; F: the end of female abdomen, ventral view.

FIGURE 18. Stirellus neospeciosus sp. nov. A: male pygofer side, lateral view; B: male pygofer and segment X – XI, dorsal view; C: valve, subgenital plates and styles, ventral view; D – E: style, dorsal view; F: connective, dorsal view; G: aedeagus, dorsal view; H: connective and aedeagus, lateral view.

FIGURE 19. Stirellus neospeciosus sp. nov. A – D: aedeagus, lateral view.

FIGURE 20. Stirellus productus. A – C: male; D – G: female. A – B, D: habitus, dorsal view; C, F: face; E: habitus, lateral view; G: the end of female abdomen, ventral view.

FIGURE 21. Stirellus productus. A: male pygofer side, lateral view; B: male pygofer and segment X – XI, dorsal view; C: valve and subgenital plates, ventral view; D – E: style, dorsal view; F: connective, dorsal view; G: aedeagus, dorsal view; H: connective and aedeagus, lateral view; I: aedeagus, lateral view.

FIGURE 23. Stirellus rubrolineatus. A, C: male pygofer and segment X – XI, lateral and dorsal view, respectively; B: male pygofer side, lateral view; D: valve and subgenital plates, ventral view; E – G: style, dorsal view; H: connective, dorsal view; I: aedeagus, dorsal view; J – K: aedeagus, lateral view.

FIGURE 24. Stirellus rubrolineatus. Holotype of Aconura rubrofasciata. A: habitus, dorsal view; B: habitus, lateral view; C: labels; D: male genitalia, lateral view; E: styles, dorsal view; F: valve, subgenital plates, styles, connective and aedeagus, lateral view.