Tachycines (Tachycines) maximus, 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 : 467

13. Tachycines (Tachycines) maximus sp. nov.

( Figs. 39–42 )

Description. Male. Body rather large. Vertex of head divided into conical tubercles. Legs elongate and slender; fore femora about 1.7–1.8 times as long as the pronotum, ventrally unarmed, internal genicular lobe with a small spine, external genicular lobe with 1 elongate movable spur; fore tibia ventrally with 2 external and 2 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 femora ventrally with 5–6 inter spines and without outer spines; hind tibiae above with 63–67 outer and inner spines respectively, arrange in groups. Super internal spur of hind tibia exceeding the dorso-apical spine of metatarsus ( Fig. 40 ). Hind metatarsus keeled beneath. Epiphallus of male genitalia like the shape of “?”, not truncated at the upper end ( Fig. 41 ).

Female. Subgenital plate trapezoidal with hind margin slightly concave ( Fig. 42 ). Ovipositor longer than the half of hind femora.

Coloration. Body deep brown with light stripes. Face yellowish with 2 deep brown discontinuous longitudinal bands ( Fig. 39 ). Legs yellowish brown with dark annular stripes, hind femora dorsally with dark bands.

Measurements. (length in mm) Body ♂ 23.0–24.0, ♀ 24.0; pronotum ♂ 9.0–10.0, ♀ 9.5; fore femora ♂ 16.0– 17.0, ♀ 16.0; hind femora ♂ 32.0–33.0, ♀ 32.0; ovipositor 19.0.

Material examined. Holotype, 1♂, Tiantong Mountain , Zhejiang, 2009-X-7, collected by He Zhu-Qing ; paratype, 1♀, Tiantong Mountain , Zhejiang, 2009-X-7, collected by He Zhu-Qing ; paratype, 1♂, Tiantong Mountain , Zhejiang, 2008-VIII-30, collected by Dai Qi .

Distribution. China (Zhejiang).

Diagnosis. This species is rather similar to T. (T.) meditationis Würmli, 1973 , but differs from the latter in that: body rather large (23.0–24.0mm); fore femora without spines ventrally; epiphallus of male genitalia shaped like trapezoidal, the lateral portion of base projecting.

Etymology. The specific epithet refers to the large size of the body.

Figures

FIGURES 39–42. Tachycines (Tachycines) maximus sp. nov.. 39. Head, frontal view; 40. Hind tarsus, lateral view; 41. Male genitalia, dorsal view; 42.Female subgenital plate, ventral view.(Scale bars:1mm).