Exitianus nanus (Distant)

Duan, Yani & Zhang, Yalin, 2013, Review of the grassland leafhopper genus Exitianus Ball (Hemiptera, Cicadellidae, Deltocephalinae, Chiasmini) from China, ZooKeys 333, pp. 31-43 : 33-35

Exitianus nanus (Distant) Plate I, Figures 1-2

Athysanus nanus Distant, 1908: 345.

Athysanus insularis ; Distant 1909: 47, pl. 4, figs 10, 10a. Synonymized by Ross 1968: 7.

Athysanus fasciolatus ; Melichar 1911: 107. Synonymized by Linnavuori 1975: 626.

Athysanus simillimus ; Matsumura 1914: 185. Synonymized by Ross 1968: 7.

Athysanus vulnerans ; Bergevin 1925: 42, figs 5-9. Synonymized by Ross 1968: 7.

Limotettix albipennis ; Haupt 1927: 25, pl. II, figs 20 a–c.Synonymized by Dlabola 1963: 325.

Limotettix unifasciata ; Haupt 1930: 159, fig. 9. Synonymized by Dlabola 1963: 325.

Athysanus digressus ; Van Duzee 1933: 32. Synonymized by Linnavuori and DeLong 1978: 237.

Exitianus nanus ; Ross 1968: 7, figs 1 –3,15– 18, 76.

Exitianus karachiensis ; Ahmed 1986: 59, fig. 5. Synonymized by Khatri and Webb 2010: 10.

Exitianus peshawarensis ; Ahmed and Rao 1986: 76-77, fig. 1. Synonymized by Khatri and Webb 2010: 10.

Exitianus minor ; Ahmed et al. 1988: 12, fig. 2. Synonymized by Khatri and Webb 2010: 10.

Exitianus fulvinervis ; Li and He 1993: 27; Li et al. 2011: 68, fig. 55. syn. n.

Description.

Length. Male: 3.0-4.1mm; female: 3.9-5.2mm.

Yellow-brown with variable brown markings on vertex comprising spots on anterior margin and a more posterior arcuate band interrupted medially (Plate I: A–B); frontoclypeus with faint brown lateral arcs (Plate I: C). Pronotum usually with some dark infuscation (Plate I: A–B). Scutellum with dark brown basal triangles (Plate I: A–B).

Crown width about 3 × length (Plate I: A–B).

Male genitalia. Pygofer side usually with 2-6 apical brown or black macrosetae (Figs 1 A–D). Style preapical lobe broadly triangular, apophysis evenly tapered to apex (Fig. 2A). Aedeagal shaft slightly laterally compressed with small subapical dorsal gonoduct (Fig. 2C); without processes (Figs 2 B–C).

Female. Sternite VII with posterior margin tri-lobed (Plate I: D).

Material examined.

China: Zhejiang Prov.: 1 female, Wuyanling, 2.VIII.2005, coll. DY; Fujian Prov.: 8 males, 15 females, Wuyishan, Nantan, 12.VIII.2002, coll. SQ; 41 males, 48 females, Guangze County, 23.VIII.2002, coll. SQ; Jiangxi Prov.: 16 males, 5 females, Anfu County, 10.VIII.2002, coll. SQ; Henan Prov.: 1 male, Baiyunshan, 17.VIII.2008, coll. LL; Hunan Prov.: 1 female, Hengshan, 30.VIII.1980, coll. TX; Guangdong Prov.: 1 male, 1 female, Shenzhen City, VIII.1986, coll. ZY; Guangxi Prov.: 1 female, Fangcheng City, 3.VI.2000, coll. Li Wenzhu (IZCAS); Hainan Prov.: 10 males, 2 females, Liangyuan, 10/29.V.1983, coll. ZY; 1 male, Wuzhishan, 640m, 16.V.2007, coll. DY; 2 males, 5 females, Jianfengling, 22.VII.2010, coll. WY; 4 males, Wuzhishan City, Maoyang Town, 3.VIII.2010, coll. Sun Jing; 3 females, Yinggeling, 4.VIII.2010, coll. WY; 30 males, 40 females, Bawangling, 9.VIII.2010, coll. WY; 7 males, 2 females, Limu, 933m, 22.VIII.2010, coll. WY; 61 males, 30 females, Tongguling, 26.VIII.2010, coll. WY; Yunnan Prov.: 1 male, Mengla County, Yaoqu Town, 660m, 3.V.1991, coll. Liu Guanchun & Cai Wanzhi; 1 male, Mengla County, Yaoqu Town, 18.VI.1991, coll. WT; 2 females, Mengla County, Menglun, 19.V.1991, coll. WT; 2 males, Jinghong City, Jinghong County, 30.VIII.2010, coll. Han Juan; 1 male, Jinghong City, Jinghong County, 23.X.2010, coll. Chai Yonghui & Feng Jinian; 1 male, Menglian County, 971m, 24.V.2011, coll. LL; 1 male, Lancang County, 25.V.2011, coll. LL; 2 males, Yexianggu, 1226m, 9.VI.2011, coll. LL; 1 male, Zhenyuan County, 13.VI.2011, coll. LL. All deposited in NWAFU, except where indicated and mainly collected at light. Abbreviations for collectors: DY: Duan Yani; SQ: Sun Qinxia; LL: Lu Lin; TX: Tong Xinwang; ZY: Zhang Yalin; WY: Wang Yang; WT: Wang Yinglun & Tian Rungang.

Distribution.

Eastern Hemisphere.

Remarks.

Exitianus fulvinervis was described by Li & He (1993) based on specimens collected from Tibet. As these fall within the variation found in Exitianus nanus , the two species are here synonymised.