Diestrammena (Gymnaeta) borutzkyi Gorochov, 1994

Jiao, Zhongjiu, Niu, Changying, Liu, Xianwei, Lei, Chaoliang & Bi, Wenxuan, 2008, Descriptions of Chinese species of the subgenus Diestrammena (Gymnaeta) Adelung (Orthoptera: Rhaphidophoridae), Zootaxa 1917, pp. 55-60 : 59

Diestrammena (Gymnaeta) borutzkyi Gorochov, 1994

( Figs. 7–9 )

Diestrammena (Gymnaeta) borutzkyi Gorochov, 1994 ( Gorochov 1994) . Proc. Zool. Inst. St-Petersburg, 257: 49.

The original description of the female ( Gorochov, 1994). Additional description of male as follows:

Diagnosis. Male. Head with fastigium of vertex divided into two conical tubercles. Legs long and slender; Fore femur about 2.4 times as long as the pronotum, unarmed beneath, the internal genicular lobe with 1 short spine, external lobe with 1 long movable spine; fore tibia beneath with 2 external and 1 internal spines, a small median spine between the paired apical spurs. Mid femora unarmed beneath, the internal and external genicular lobe with 1 long movable spine; mid tibiae beneath with 1 external and 1 internal spine, a short spine between the paired apical spurs. Hind femur unarmed beneath; hind tibia armed on each dorsal margin with 32–44 spines, which grouped in series, super internal spur of hind tibiae shorter than the metatarsus (fig. 7); tarsus keeled beneath. Male genitalia as figs. 8–9.

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

Measurements (in mm): length of body16.0–19.0, pronotum 5.0–6.0, fore femora 12.0–13.5, hind femora 22.0–25.0, ovipositor 9.0–12.0.

Specimens examined: 1 ɗ, 2 &&, Guizhoui (Chishui National Reserve in Spinulose Tree Fern), 20.X.2006, leg. Liu, Xian-Wei et al.; 1&, Hunan (Zhangjiajie), 10–12.IX.1988, leg. Liu Xian-Wei; 1&, Sichuan (Emeishan), 2–4.VIII.2007, leg. Liu Xian-Wei.

Discussion. This species differs from all other species of the subgenus by the longer fore femora (about 2.4 times as long as pronotum) and the shape of male genitalia.

Distribution. China (Hunan, Guizhou, Chongqing, Sichuan).

Figures

FIGURES 7 – 9. Diestrammena (Gymnaeta) borutzkyi Gorochov, 1994. 7. Tarsus of hind leg, lateral view; 8. Male genitalia, dorsal view; 9. Male genitalia, ventral view.