Mongolotettix baohuashanensis, Zhang & Wang & Dai & Yin, 2021

Zhang, Da-Peng, Wang, Sheng-Nan, Dai, Li & Yin, Zhan, 2021, A new species of the genus Mongolotettix Rehn, 1928 from Jiangsu, China (Orthoptera, Acridoidea, Acrididae), Zootaxa 5068 (3), pp. 448-450 : 448-449

Mongolotettix baohuashanensis sp. nov. ( Figs. 1-9 )

Male: Body small in size. Head shorter than pronotum. Face oblique in profile. widened downward gradually. Antennae ensiform. 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 1.6 times of metazona in length. Tegmina longer, reaching the hind margin of 7 th abdominal tergite, apically concave in the middle, maximum width of cubital area 1.6 times maximum width of medial area. Interspace of mesosternum distinctly narrowed in the middle • length 2.3 times minimum width. Lateral lobes of metasternum separated. Upper keel of hind femur smooth, length of hind femur 5.6 times its maximum width, end of lower knee lobes angular, inner side with 88 stridulatory pegs. Hind tibia with 13 spines on inner and 12 spines on outer sides, external apical spine absent. Second joint of hind tarsus shorter than the first one. Tympanum large and round. Furculae distinct, apex rounded. Cercus long conical, almost reaching tip of epiproct. Subgenital plate long conical. Width of epiphallus larger than high, with indistinct projection on both inner sides.

Female: Body more robust than male. Vertical diameter of eyes 1.3 times horizontal diameter and 1.1 times the length of subocular furrow. Prozona 1.7 times metazoan in length. Tegmina short, extending over the middle of 2nd abdominal tergite slightly, length 2.8 times its maximum width. Length of hind femur 5.4 times its maximum width. Cercus shortconical, not reaching end of epiproct. Upper ovipositor valve longer, length 3.3 times maximum width, with small teeth on outer margin.

Coloration: Male body brown. Antennae yellow. Pronotum yellowish-brown. Tegmina of male without a white stripe on the fore margin at base. Tegmina of female with a black longitudinal stripe in the middle. Subgenital plate brown. Abdomen of female yellowish-brown, with a brown longitudinal stripe on both sides, other as same male.

Measurement (in mm): Length of body: ♂ 20.1-20.7, ♀ 27.9-28.6. Length of tegmina: ♂ 11.1-11.3, ♀ 4.5-5.5. Length of hind femur: ♂ 11.5-13.2, ♀ 15.8-16.4.

Holotype ♂, paratypes 1♂, 2♀, Jiangsu, Baohuashan 32º10´N, 119º16´E, 1984-7-23. leg. unknown.

1

Diagnosis. The new species is similar to M. fujianensis Chen et al, 2018 . The major differences are listed in Table 1 .

Etymology: The specific epithet is named after Baohuashan the type locality.

Figures

FIGURES 1-9. Mongolotettix baohuashanensis sp. nov. 1. Body in lateral view ♂; 2. Epiphallus, ♂; 3. Head lateral view ♂; 4. Stridulatory pegs ♂; 5. Tegmen ♂; 6. End of abdomen in dorsal view ♂; 7. Body in lateral view ♀; 8. Tegmen ♀; 9. End of abdomen in lateral view ♀. FIGURES 10-14 M. fujianensis Chen et al, 2018 10. Head lateral view ♂; 11. Tegmen ♂; 12. Epiphallus; 13. Tegmen ♀; 14. End of abdomen in lateral view ♀. (figs. 10-14 after Chen et al, 2018).