Diestrammena (Gymnaeta) femorata, Zhang, Feng & Liu, Xian-Wei, 2009

Zhang, Feng & Liu, Xian-Wei, 2009, A review of the subgenus Diestrammena (Gymnaeta) from China (Orthoptera: Rhaphidophoridae Aemodogryllinae), Zootaxa 2272, pp. 21-36 : 29-30

Diestrammena (Gymnaeta) femorata sp. n. ( Figs. 34–36 )

Diagnosis. Male. Head with fastigium of vertex divided into two conical tubercles. Legs long and slender; Fore femora about 1.6–1.7 times as long as the pronotum, beneath unarmed, the internal knee lobe with 1 short spine, external knee lobe with 1 long movable spine; fore tibiae beneath with 2 external and 1 internal spines, a small median spine between the paired apical spurs. Mid femora beneath unarmed, the internal and external knee lobe with 1 long movable spine; mid tibiae beneath with 1 external and 1 internal spines, a short spine between the paired apical spurs. Hind femora beneath unarmed, hind tibiae armed on each dorsal margin with 57–65 spines, which grouped in series, super internal spur of hind tibiae little shorter than the metatarsus ( Fig.34 ), tarsus keeled beneath. Male genitalia as Figs. 35–36 .

Female. Unknown.

Measurements (in mm): Length of body 16.0, pronotum 4.5, fore femora 7.5, hind femora 16.0.

Coloration. Body yellowish brown, mottled with dark brown blotches.

Holotype 3, Guiangxi (Xingan Maoershan), alt. 1650–1900m, 18–19.VIII.1992, coll. Liu, Xian-Wei et Yin Hai-Sheng.

Discussion. This new species resembles D.(G.) racovitzai ( Chopard,1915) , but differs in the all femora shorter and shape of male genitalia.

Distribution. Known only from China.

Figures

FIGURES 34 – 36. Diestrammena (Gymnaeta) femorata sp. n. 34, Tarsus of hind leg, lateral view; 35, Male genitalia, dorsal view; 36, Male genitalia, ventral view.