Tachycines (Gymnaeta) verus, 2019

Qin, Yanyan, Liu, Xianwei & Li, Kai, 2019, Review of the subgenus Tachycines (Gymnaeta) Adelung, 1902 (Orthoptera, Rhaphidophoridae, Aemodogryllinae, Aemodogryllini), Zootaxa 4560 (2), pp. 273-310 : 304-305

Tachycines (Gymnaeta) verus sp. nov.

( Fig. 104–106 )

Description. Male. Body medium sized. Vertex of head divided into conical tubercles. Legs elongate and slender; fore femur about 1.9 times longer than the pronotum, ventrally unarmed, internal knee lobe with a small spine, external genicular lobe with 1 elongate movable spur; fore tibiae beneath with 2 external spurs and 1 internal spur. Mid femur with an elongate movable spur on both internal and external genicular lobe, ventrally unarmed; mid tibiae beneath with 1 external spur and 1 internal spur. Hind femur without spines ventrally; hind tibiae above at each side with 50–51 spines respectively, arranged in groups. Supra internal spur of hind tibiae exceeding the ventral apex of hind metatarsus. Hind metatarsus keeled ventrally ( Fig. 104 ). Epiphallus of male genitalia nearly quadrate and upper end notched ( Figs. 105–106 ).

Female. Unknown.

Coloration. Body brownish. Abdominal tergite yellowish brown. Legs with bristles and hind femur with light stripes.

Measurements. (length in mm) Body ♂ 13.0; pronotum ♂ 5.5; fore femur ♂ 10.5, hind femur ♂ 22.0, hind tibiae ♂ 23.0.

Specimens studied. Holotype, 1♂, Yangmeiao, Jiuwanshan, Huanjiang , Guangxi, alt. 1200m, 2015-VII-19, collected by Liu et Zhu.

Distribution. China (Guangxi).

Diagnosis. This species is similar to T. (G.) dispar sp. nov., but differs from the latter by the epiphallus of male and the number of spines on hind tibiae.

Etymology. The Latin ‘ verus ’ refers to the dart-like spur of the hind tibia.

Figures

FIGURES 104–106. Tachycines (Gymnaeta) verus sp. nov.. 104. tarsus of hind leg, lateral view; 105. male genitalia, dorsal view; 106. male genitalia, ventral view. (scale=1mm)