Tachycines (Tachycines) trilobatus, Qin & Wang & Liu & Li, 2018

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 : 456

3. Tachycines (Tachycines) trilobatus sp. nov.

( Fig. 9 )

Description. Female. Body medium sized. Vertex of head divided into conical tubercles. Legs elongate and slender; fore femora about 1.7 times as long as the pronotum, ventrally unarmed, internal knee lobe with a small spine, external genicular lobe with 1 elongate movable spur; fore tibiae ventrally with 2 external and 1 internal spur(s). Mid femora with an elongate movable spur on the internal and genicular lobe, ventrally unarmed; mid tibia ventrally with 1 external and 1 internal spur. Hind femora ventrally with 5–6 inner spines and without outer spines; hind tibiae above with 75–85 outer and inter spines respectively, arrange in groups. Super internal spur of hind tibia exceeding the dorso-apical spine of metatarsus. Hind metatarsus keeled beneath. Subgenital plate with 3 nearly triangular lobes, median lobe rather large and lateral lobes rather small ( Fig. 9 ). Ovipositor shorter than the half of hind femora.

Coloration. Body brown. Face without distinct stripes. Legs light, other parts brown.

Measurements. (length in mm) Body ♀ 15.0–17.0; pronotum ♀ 7.5; fore femora ♀ 13.0–14.0; hind femora ♀ 27.0–29.0; ovipositor 9.0–10.0.

Material examined. Holotype, 1♀, Suoluo natural reserve, Guizhou, alt. 300m, 2006-X-20, collected by Liu Xian-Wei et al. , paratype, 1♀, same data as the holotype .

Distribution. China (Guizhou).

Diagnosis. This species is rather similar to T. (T.) multispinosus sp. nov., but differs from the latter in that: hind tibiae above with 75–85 spines on each side and female subgenital plate with 3 triangular lobes ( Fig. 9 ).

Etymology. The specific epithet refers to the subgenital plate of female bearing 3 lobes.

Figures

FIGURE 9. Tachycines (Tachycines) trilobatus sp. nov.. 9. Female subgenital plate, ventral view.(Scale bars:1mm).