Diestrammena (Gymnaeta) roundata, 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 : 32

Diestrammena (Gymnaeta) roundata sp.n. ( Figs. 46–47 )

Diagnosis. Female. Head with fastigium of vertex divided into two conical tubercles. Legs long and slender; Fore femora about 2.5 times as long as the pronotum, unarmed beneath, the internal knee lobe with 1 short spine and external knee lobe with 1 long movable spur; fore tibiae beneath with 1internal and 2 external spurs, a small median spine between the paired apical spurs. Mid femora beneath unarmed, the internal and external knee lobe with 1 long movable spur; mid tibiae beneath with 1 internal and 1 external spur, a short spine between the paired apical spurs. Hind femora unarmed beneath, hind tibiae above on each side with 68–75 spines, which grouped in series, super internal spur of hind tibiae shorter than the metatarsus ( Fig. 46 ), hind tarsus keeled beneath. Subgenital plate rounded, each side of base with projecting lobe ( Fig. 47 ).

Measurements (in mm): Length of body 18.0, pronotum 5.5, fore femora 13.5; hind femora 26.5; ovipositor 14.5

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

Holotype 1Ƥ, Yunnan (Nabanhe), alt. 1800m, 13.XI.2008, leg. Tangliang.

Distribution. China (Yunnan).

Figures

FIGURES 46 – 47. Diestrammena (Gymnaeta) roundata sp. n. 46. Tarsus of hind leg, lateral view; 47, Female subgenital plate, ventral view.