Pteronemobius yunnanicus, Li, Kai, He, Zhuqing & Liu, Xianwei, 2010

Li, Kai, He, Zhuqing & Liu, Xianwei, 2010, Four new species of Nemobiinae from China (Orthoptera, Gryllidae, Nemobiinae), Zootaxa 2540, pp. 59-64 : 62-64

4. Pteronemobius yunnanicus sp. nov.

( Figs. 16–21 )

Material. Holotype 3, CHINA: Yunnan prov. Jinping county, Malutang reservoir, 2009. V.28, Alt. 1850m, leg. Liu Xian-Wei, Wu Jie, Zhu Wei-Bing, Bi Wen-Xuan ( IEAS); Paratypes 33, 3ƤƤ, same data as Holotype ( IEAS).

Description. Male. Body small and pubescent. Head round. Frontal rostrum as wide as 1st antennal joint. Pronotum transverse. Tympanum on the out side of the fore tibiae. Hind tibia with four pairs of dorsal spurs, first internal dorsal spur short and widely separated from the others ( Fig. 19 ). The proximal internal spurs obviously short and last internal spur stout and curved. One oblique vein and mirror divided into several cells ( Fig. 17 ). Wings absent. Genitalia of male as in Figs. 20–21 .

Female. Tegmen short with 4 veins on dorsal field and 3 veins on lateral field ( Fig. 18 ). Hind tibiae with three internal dorsal spurs, the proximal spur normal. Ovipositor straight with teeth on the upper side at apex. Coloration. Body black. Tibia, cerci and tegmina yellow. Maxillary palpi with 4th and 5th joints white, others brown. Head with four yellow lines ( Fig. 16 ). Anterior margin of pronotum yellow.

Measurements. (in mm) Body 35.5–5.8, Ƥ5.8–6.3; pronotum 31.1, Ƥ1.2; tegmen 34.5, Ƥ3.8–4.0; posterior tibiae 33.8–4.0, Ƥ4.0–4.5; ovipositor 3.0.

Distribution. China (Yunnan).

Etymology. The new specific name is derived from the type locality Yunnan.

Discussion. This species can easily be distinguished from other Pteronemobius species by the genitalia of male with one curve lateral branch on each side.

Figures

FIGURES 16 – 21. Pteronemobius yunnanicus sp. nov. 16. head and pronotum of male, dorsal view; 17. tegmen of male, dorsal view; 18. tegmen of female, dorsal view; 19. left hind tibia of male; 20. genitalia of male, dorsal view; 21. genitalia of male, ventral view.