Lemba wushanensis

Yin, Hai-Xiang, Shen, Wei-Xing & Yin, Zhan, 2020, -- A- - new- - species- - and- - a- - key- - to- - 10 -- species- - of- - the- - genus Lemba- - Huang, -- 1983 -- (Orthoptera Catantopidae) -- from- - China- -, Zootaxa 4894 (2), pp. 287-291 : 287-289

Lemba wushanensis sp.­­nov.­­

(Figs­­1–7)­­

Holotype: Ƌ, paratypes 1 ♀ Chongqing, Wushan , 12. X. 1983, collected by Yin Xiang-Chu, Li Bao-Ping and Liu Zhi-Wei.

Male ­­ Body medium in size. Head short, shorter than pronotum. Vertex evidently sloping forward, frons oblique in profile. Frontal ridge widened in middle and narrow in upper and lower apical part. Eye ellipse, vertical diameter 1.4 times horizontal diameter, 2.3 times subocular furrow. Antennae filiform, 24 segmented. Median keel of pronotum cut by three transverse sulci, hind transverse sulcus placed after middle part, prozona 1.6 times metazona in length. Anterior margin of pronotum with shallow in the middle, hind margin curved. Interspace of mesosternum narrow, length 3.5 times minimum width. Tegmina narrow and long, nearly reaching the hind margin of 2nd abdominal tergite, length 2.7 times width. Hind femur robust, dorsal carina smooth, length 4.0 times its maximun width. Hind tibia shorter than femur, with 9 spines on outer side and 11 spines on inner side, outer apical spine present. Arolium of hind tarsus larger, reaching the apex of claw. Tympanum developed. Cercus extending over the end of epiproct, base wider, apex acute. Epiproct pentagon, with longitudinal groove in the middle, posterior margin straight. The 10 th abdominal tergite in male without furcula on the posterior margin. Subgenital plate not bifurcate at end. Aucorae of epiphallus not inward tilt.

Body yellowish brown. Postocular band dark brown, very wide, backward to tegmina. Tegmina with distinct a longitudinal dark brown stripe on the fore part. Hind femur yellowish brown on outer side. Hind tibia pale blue, Hind tarsus yellowish brown.

Female Body larger than male. Vertical diameter of eye 1.8 times subocular furrow. Ovipositor valves short, narrower at base, apex acute. Other same as male.

Length of body: Ƌ 21.1 mm, ♀ 27.2 mm. Length of tegmen: Ƌ 4.6 mm, ♀ 5.6 mm. Length of hind femur: Ƌ 12.4 mm, ♀ 13.6 mm.

The new species is similar to L. sichuanensis Ma et al, 1994. The major differences are listed in Table1.