Diestrammena (Gymnaeta) wuyishanica, 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 : 24-25

Diestrammena (Gymnaeta) wuyishanica sp. n. ( Figs. 8–10 )

Diagnosis. Male. Head with fastigium of vertex divided into two conical tubercles. Legs long and slender; Fore femora about 2.1–2.2 times as long as the pronotum, beneath unarmed, the internal knee lobe without spine, external knee lobe with 1 long movable spur; fore tibiae beneath with 1 internal and 2 external spurs, a small median spine between the paired apical spurs. Mid femora with internal and external knee lobe with 1 long movable spur; mid tibiae beneath with 1 external and 1 internal spur, a short spine between the paired apical spurs. Hind femora unarmed beneath, hind tibiae armed on each dorsal margin with 61–67 spines, which grouped in series, super internal spur of hind tibiae shorter than the metatarsus ( Fig. 10 ), hind tarsus with bristles beneath. Male genitalia as Fig. 8 .

Female. Subgenital plate short, with apex ( Fig. 9 ), ovipositor short, little longer than the half of hind femora.

Measurements (in mm): Length of body 310.0–11.0, Ƥ10.0; pronotum 34.0, Ƥ4.0; fore femora 38.5– 9.0; Ƥ8.8; hind femora 314.0, Ƥ16.5; ovipositor Ƥ7.5.

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

Holotype 3, paratypes 13, 1Ƥ, Fujian (Wuyishan Sangang), 27.VIII–3IX.1994, leg. Jin Xing-Bao and Yin, Hai-Sheng.

Distribution. China (Fujian).

Figures

FIGURES 8 – 10. Diestrammena (Gymnaeta) wuyishanica sp. n. 8, Male genitalia, dorsal view; 9, Female subgenital plate, ventral view; 10, Tarsus of hind leg, lateral view.