Tenguna kuankuoshuiensis, Zheng, Yan-Li, Yang, Lin, Chen, Xiang-Sheng & Luo, Xu-Qiang, 2017

Zheng, Yan-Li, Yang, Lin, Chen, Xiang-Sheng & Luo, Xu-Qiang, 2017, Two new species of the planthopper genus Tenguna Matsumura, 1910, with a key to all species (Hemiptera, Fulgoromorpha, Dictyopharidae), ZooKeys 669, pp. 19-27 : 20-22

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scientific name

Tenguna kuankuoshuiensis

sp. n.

Tenguna kuankuoshuiensis sp. n. Figs 1-13, 14-18


♂, BL: 13.1-14.1 mm; HL: 1.7-1.8 mm; HW: 1.5-1.6 mm; FWL: 9.9-10.3 mm. ♀, BL: 15.2-16.3 mm; HL: 1.8-1.9 mm; HW: 1.6-1.8 mm; FWL: 12.3-12.9 mm.


This species is similar to Tenguna medogensis , but can be distinguished from phallobase. The former with three pairs of membranous lobes at apex, the latter with two pairs of membranous lobes at apex.


General color green; carinae on cephalic process, frons, pronotum and mesonotum, and parts of veins on forewings, dark green; rostrum with extreme apex blackish; hind tibia with lateral and apex black-tipped spines.

Cephalic process (Figs 1-5) relatively short, a little upturned, ratio length to length of pronotum and mesonotum combined 0.6. Vertex (Figs 1-3, 5) with lateral margins carinate, sub-parallel at base, slightly sinuate in front of eyes, then gradually narrowing to arrowhead at apex, ratio of length to width between eyes 2.8. Frons (Fig. 4) elongate, median carina complete and elevated, length 2.6 times long than width. Pronotum (Figs 1-3) distinctly shorter than mesonotum medially in the middle line, median carina distinct, lateral carina obscure, ratio length to length approx. 0.2:1. Forewings (Figs 1, 6) with Sc+R, M and Cu all branched apically; stigma distinct, with 3-5 cells. Legs moderately long; fore femur not flattened and dilated, with one minute, short, blunt spine near apex; hind tibia with 6-7 lateral black-tipped spines and eight apical black-tipped teeth.

Male genitalia. Pygofer (Figs 8-10) wider ventrally than dorsally, posterior margin with a blunt process, ventral margin depressed to accommodate anal tube (Fig. 8). Parameres (Figs 8, 9) large, distinctly broadening towards apex in lateral view (Fig. 8), posterior margin straight, upper margin with dorsally directed, black-tipped process near middle, with ventrally directed, hook-like process near sub-middle on outer upper edge. Anal tube (Figs 8, 10) oval in dorsal view, ratio length to width approx. 2.0:1. Aedeagus (Figs 11-13) with one pair of special long endosomal processes, processes with apex acute, sclerotized and pigmented. Phallobase sclerotized and pigmented at base, with three pairs of membranous lobes at apex: the dorsal lobe large and the ventral lobe with small lobe in lateral view (Fig. 11), two pairs of large lobes in dorsal view (Fig. 12), three pairs of lobes and numerous small spines on it in ventral view (Fig. 13).

Female genitalia. Anal tube (Fig. 15) round and large in dorsal view, ratio length to width at middle nearly 1.0. First valvula (Fig. 16) sclerotized with six different sized teeth in lateral view. Second valvulae (Fig. 17) triangular, symmetrical in ventral view, connected at base and separated from 1/5 base. Third valvula (Fig. 18) with two sclerotized lobes, lateral lobe with six long spines at apex.

Type material.

Holotype ♂, China, Guizhou, Kuankuoshui, Qing gang tang hui long county. 17.VIII. 2010, Lihu. Paratypes, 1♂2♀♀, same to Holotype; 9♂♂5♀♀, China, Guizhou, Fanjing mountain, 27.VII. 2001, Lizizhong.


This new species is named for the holotype occurrence in “Kuankuoshui”, Guizhou province in southwestern China.