Mongolotettix jiangxiensis, Zhang & Dai & Yin, 2023

Zhang, Da-Peng, Dai, Li & Yin, Zhan, 2023, A new species of the genus Mongolotettix Rehn, 1928 from Jiangxi, China (Acrididae, Acridoidea, Orthoptera), Zootaxa 5351 (3), pp. 397-400 : 397-399

Mongolotettix jiangxiensis sp. nov. figs. A–K .

Holotype ♁, paratypes 1♁, 2♀, Jiangxi, Lushan 29º40´N, 115º70´E, 1935, July,7–18 collected by O. Piel.

Male: Body small in size. Head shorter than pronotum. Face oblique in profile. Frontal ridge nearly parallel. Antennae ensiform, 20 segmented, extending distinctly over hind margin of pronotum. Eyes oval, vertical diameter 1.5 times horizontal diameter and 1.2 times length of subocular furrow. Pronotum median keel visible, distinctly cut by hind transverse sulcus, lateral keels almost parallel, prozona 1.4 times of metazona in length. Tegmina longer, reaching the hind margin of 9 th abdominal tergite, apically concave in the middle, maximum width of cubital area 1.5 times maximum width of medial area. Interspace of mesosternum distinctly narrowed in the middle, length of interspace of mesosternum 3.1 times minimum width. Lateral lobes of metasternum separated. Upper keel of hind femur smooth, length of hind femur 5.7 times its maximum width, end of lower knee lobes angular, inner side with 109 stridulatory pegs. Hind tibia with 12 spines on inner and outer sides, external apical spine absent. Second metatarsomere shorter than the first. Tympanum large and round. Cercus long conical, almost reaching tip of epiproct. Subgenital plate long conical. Upper margin of Epiphallus straight.

Female: Body more robust than male. Vertical diameter of eyes 1.5 times horizontal diameter and 1.2 times the length of subocular furrow. Prozona 1.5 times metazoan in length. Tegmina short, reaching the hind margin of 1 st abdominal tergite, length 2.8 times its maximum width. Length of hind femur 5.5 times its maximum width. Cercus short-conical, not reaching end of epiproct. Upper ovipositor valve longer, length 3.3 times maximum width, with small teeth on outer margin.

Coloration: Body brown. Antennae yellow. Pronotum yellowish-brown. Tegmina of male without a white stripe on the fore margin at base.

Measurement (in mm): Length of body: ♁ 21.1–22.0, ♀ 34.6. Length of tegmina: ♁ 11.0–11.7, ♀ 4.7. Length of hind femur: ♁ 11.5–12.0, ♀ 17.3.

Diagnosis. The new species is similar to M. hubeiensis Zheng et al, 2017 . The major differences are listed in Table 1.

Etymology The specific epithet is named for the type locality Jiangxi.

Figures

FIGURES A–K. Mongolotettix jiangxiensis sp. nov. A. Body in lateral view ♁; B Mesosternum ♁; C. Tegmen ♁; Head frontal view J; D. Stridulatory pegs J; E. Epiphallus, J; F. End of abdomen in dorsal view ♁; G. Body in lateral view ♀; H. Head frontal view; I. Tegmen ♀; J. Mesosternum ♀; K. End of abdomen in latetral view ♀. FIGURES L–O. M. hubeiensis Zheng et al, 2017 L. Body in lateral view ♁; M. Body in lateral view ♁; N. Mesosternum ♁; O. Epiphallus, J.