Tachycines (Tachycines) chinensis Storozhenko, 1990

Qin, Yanyan, Wang, Hanqiang, Liu, Xianwei & Li, Kai, 2018, Divided the genus Tachycines Adelung (Orthoptera, Rhaphidophoridae: Aemodogryllinae; Aemodogryllini) from China, Zootaxa 4374 (4), pp. 451-475 : 471

17. Tachycines (Tachycines) chinensis Storozhenko, 1990

( Figs. 51–55 )

Tachycines (Tachycines) chinensis Storozhenko, 1990 . Entomologicheskoe Obozrenie., 69 (4), 846. Tachycines chinensis Jin , X-, Bao & Xia, K-, Ling, 1994. Jour. Orth. Res., 3, 18.

Diestrammena (Tachycines) chinensis Rampini, Di Russo & Cobolli, 2008 . Monografie Naturalistiche., 3, 130.

Description. Male. Body medium sized. Vertex of head divided into conical tubercles. Legs elongate and slender; fore femora about 1.5 times as long as the pronotum, ventrally with 0–3 spines, internal genicular lobe with a small spine, external genicular lobe with 1 elongate movable spur; fore tibia ventrally with 2 external and internal spurs. Mid femora with an elongate movable spur on the internal and genicular lobe, ventrally unarmed; mid tibiae ventrally with 2 external and 1 internal spur(s). Hind femur ventrally with 5–8 inter spines and without outer spines; hind tibiae dorsally with 38–56 outer and inner spines respectively, arranged in groups. Super internal spur of hind tibiae not exceeding the dorso-apical spine of metatarsus ( Fig. 52 ). Hind metatarsus keeled beneath. Epiphallus of male genitalia rectangular ( Figs. 53–54 ).

Female. Subgenital plate with hind margin projecting apically ( Fig. 55 ). Ovipositor about halt the length of hind femur.

Coloration. Body light brown and lateral side with dark stripes. Face with 2–4 dark longitudinal stripes ( Fig. 51 ). Legs yellowish with dark annular stripes.

Measurements. (length in mm) Body ♂ 11.0–13.0, ♀ 12.0–17.0; pronotum ♂ 5.5–6.0, ♀ 6.0–7.5; fore femora ♂ 8.0–10.5, ♀ 9.5–11.5; hind femora ♂ 16.5–18.5, ♀ 17.0–19.0; ovipositor ♀ 13.0–15.0.

Material examined. 2♀♀, Wangwu Mountain , Henan, 2000-IX-16, collected by Liu Xian-Wei et al. ; 9♂♂ 11♀♀, Wuling Mountain ( Xinglong ), Hebei, alt. 600m, 2007-IX-8 ~9, collected by Liu Xian-Wei .

Distribution. China (Henan, Hebei, Beijing).

Diagnosis. This species is very similar to T. (T.) borealis (Cui et Liu, 2013) but differs from the latter in that: fore femora with 0–3 spines ventrally; epiphallus of male genitalia rectangular and with lower end notched.

Figures

FIGURES 51–55. Tachycines (Tachycines) chinensis Storozhenko, 1990.51. Head, frontal view; 52. Hind tarsus, lateral view; 53. Male genitalia, dorsal view; 54.male genitalia, ventral view; 55. Female subgenital plate, ventral view.