Oecleopsis yoshikawai (Ishihara, 1961)

Zhi, Yan, Yang, Lin, Zhang, Pei & Chen, Xiang-Sheng, 2018, Two new species of genus Oecleopsis Emeljanov from China, with descriptions of female genitalia of five species (Hemiptera, Fulgoromorpha, Cixiidae), ZooKeys 768, pp. 1-17: 1

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Oecleopsis yoshikawai (Ishihara, 1961)


Oecleopsis yoshikawai (Ishihara, 1961)  Figs 5-6, 35-48, 65-68

Oliarus yoshikawai  Ishihara, 1961: 228, figs 6-7.

Oecleopsis yoshikawai  (Ishihara, 1961): Van Stalle 1991: 22, figs 65-71; Guo et al. 2009, 58.

Material examined.

China: 2♂♂, 2♀♀, Guizhou province, Wangmo county, Xintun Town, Bakang Village, 19 August 2012, Jian-Kun Long, Shi-Yan Xu, Wei-Bin Zheng; 2♂♂, 2♀♀, Guizhou province, Wangmo county, Xintun Town, Bakang Village, 2013-VI-28, Jian-Kun Long, Hai-Yan Sun, Yang-Yang Liu; 1♂, Guizhou province, Anlong county, Xianheping Nature Reserve, 22 July 2016, Liang-Jing Yang; 1♀, Guizhou province, Wangmo county, Zhexiang Town, 19 July 2016, Liang-Jing Yang; 1♂, Guizhou province, Guanling county, Bangui Town, 20 August 2009, Ji-Chun Xing.


Body length: male 6.0-6.5mm (N = 6), female 6.8-7.5mm (N = 5).

Coloration. General color mid brown (Figs 5-6, 35-38). Eyes mid to blackish brown, ocelli light yellow. Vertex blackish brown. Face yellowish to blackish brown, carinae yellowish to mid brown; rostrum yellowish to blackish brown. Pronotum mid to blackish brown; mesonotum yellowish to mid brown. Forewing semitranslucent, light brown, stigma mid brown. Hind tibiae and abdominal sternites mid brown.

Head and thorax. Vertex (Fig. 35) narrow, 3.6 times longer than wide; frons (Fig. 36) 1.2 times as long as wide. Forewing (Fig. 39) 3.2 times longer than wide, with 11 apical and 6 subapical cells; fork Sc+RP slightly distal to fork CuA1+CuA2; RP 3 branches, MA 3 branches, MP 2 branches. Hind tibia with 3 lateral spines; chaetotaxy of hind tarsi: 7/5.

Male genitalia. Pygofer (Figs 40-41), dorsal margin concave and U-shaped ventrally, widened towards apex; in lateral view, lateral lobes triangularly extended caudally, apex round. Medioventral process triangular ventrally, short. Anal segment (Figs 40, 42-43) tubular, asymmetrical, widened towards apex in left side view; in right side view, left ventral margin convex and right ventral margin excavated near apex; 2.0 times longer than wide in dorsal view; anal style fingerlike, beyond anal segment. Genital styles illustrated in Fig. 44. Aedeagus (Figs 45-48) in total with five processes. Spinose process on right side near apex of periandrium long, basal part curving upward and distal part parallel to periandrium, directed towards cephalum, more than 1/2 of periandrium in length; left side near apex of periandrium with a short spinose process, curved and directed dorsocaudally. Flagellum bearing three spinose processes: the upper one originating the middle of flagellum, apex curved strongly and directed right side; the apical one curved right-ventrocephalically; the one on left side shortest, curved strongly and directed ventrally.

Female genitalia. Genitalia as shown in Fig. 65 ventrally. Anal tube (Fig. 66) 1.8 times longer than wide in dorsal view. Posterior vagina (Figs 67-68) elongate, with a long longitudinal sclerite dorsally. In ventral view, left side with a long longitudinal sclerite, curved, towards the right; right side with a longitudinal sclerite basally, which with a process, the process directed left-ventrally and longer than shown in the figure; terminal area with an irregular sclerite, which forming three projecting oblong structures.

Host plant.

Bamboo ( Bambusoideae  ).


China (Guizhou), Thailand.


This species is recorded from China for the first time and the female genitalia of this species is described and illustrated for the first time.