Mongolotettix Rehn, 1928

Shi, Jian-Ping, Liu, Zhi-Wei & Li, Bao-Ping, 2016, Two new species and a key to nine species of the genus Mongolotettix Rehn, 1928 from China (Acrididae, Acridoidea, Orthoptera), Zootaxa 4117 (3), pp. 421-428 : 426-427

Key to species of the genus Mongolotettix Rehn, 1928

1. Tegmina of male shorter, not reaching end of hind femur. Tegmina of female not concave distally (figs.1, 5)............. 2

- Tegmina of male longer, reaching to end of hind femur. Tegmina of female concave distally (figs.16)............................................................................................ M. chongqingensis Xie & Li, 2000 Xie & Li, 2000 Acta Zootaxonomica Sinica, 25(1), 51-53. Type locality: China, Chongqing, Wansheng Area. N 28°46′–48′, E 106°49′–52′. Location of type specimen: holotype, ♂, paratype ♀, Chongqing Natural Museum, China.

2. Hind margin of tergum of periproct with circular furculae in male (fig.19)........................................ 3

- Hind margin of tergum of periproct without circular furculae in male (fig.20)...................................... 7

3. Length of interspace of mesosternum 3–4 times minimum width in male (figs. 22, 23).............................. 4

- Length of interspace of mesosternum 1.8–1.9 times minimum width in male (fig.24).............................. 6

4. Length of interspace of mesosternum 3 times minimum width in male............................................ 5

- Length of interspace of mesosternum 4 times minimum width in male.............. M. mistshenkoi Chogsomzhav, 1974 Chogsomzhav, 1974 Entomological Review, 53, 75–77. Type locality: Mongolia, East Gobi Aymak, Shikhoj-Nur near Lak Shokhoy-Nur Location of type specimen: holotype, ♂, paratype ♀, Institute of Biology, Ulan Bato, Mongolia.

5. Body small, length of body ♂ 15.0– 16.6 mm, ♀ 22.8–24.4 mm; tegmina of male with white stripe on the fore margin at base; subgenital plate of male short conical, sides straight, apex not acute; both outer sides of epiphallus with acute projection in the middle (fig.17)................................................... M. angustiseptus Wan, Ren & Zhang, 1998 Wan, Ren & Zhang, 1998 Acta Zootaxonomica Sinica, 23(1), 33–35. Type locality: China, Jilin, Xianghai National Natural Protection Area. Location of type specimen: holotype, ♂, Department of Biology, Northeast Normal University, Changchun, China.

- Body larger, length of body ♂ 25.6 mm, ♀ 39.1mm; tegmina of male without white stripe on the fore margin at base; subgeni- tal plate of male conical, sides concave, apex acute; both outer sides of epiphallus without acute projection in the middle (fig.3)............................................................................. M. wulingyuanensis sp. nov.

6. Tegmina of male reaching to 3/5 of hind femur. Epiphallus with projection on both inner sides (fig.25)................................................................................................. M. zhengi Li & Lian, 1994 Li & Lian 1994 Entomology Research, (1), 53–55. Type locality: China, Inner Mongolia, Hailar. Location of type specimen: holotype, ♂, Institute of Zoology, Shaanxi Normal University, Xi’an China.

- Tegmina of male reaching to 4/5 of hind femur. Epiphallus without projection on both inner sides (fig.26)............................................................................................. M. japonicus ( Bolívar, 1898)

Bolívar,1898 Annals Museum Genova, 39 /ser. 2 v. 19, 82. ( Chrysochraon ) Shiraki, 1910. Acrididen Japana 2, 16. ( Chrysochraon ) Rehn, 1928 Proc. Acad. Nat. Sci. Philad. 80: 200. ( Mongolotettix ) Type locality: Japan, Eastern Area. Location of type specimen: holotype, ♂, MCSN Genoa.

7. Interspace of mesosternum narrow distinctly in male (figs.11).................................................. 8

- Interspace of mesosternum narrow slightly in male (fig.21)............................... M. vittatus ( Uvarov, 1914) Uvarov, 1914 Annals Museum Zoological Academy Sciences, 19, 167–172. ( Chrysochraon ) Bei-Bienko & Mishchenko. 1951 Locusts and Grasshoppers of the U.S. S.R. and Adjacent Countries, 2, 419–420. ( Mongolotettix ). Yin, et al. . 2003 Fauna Sinica, Insecta 32(supplement):154. ( Mongolotettix vittatus ). Type locality: Russian Far East, Transbaikalia, Tshiko. Location of type specimen: holotype, ♀, ZIN St. Petersburg.

8. Tegmina of male longer, reaching the end of epiproct, without white stripe on the fore margin at base; tegmina of female longer, reaching the middle of 2nd abdominal tergum; width of epiphallus larger than high; upper ovipositor valve slender, length 3.8 times its maximum width (figs.8, 10, 13, 14)......................................... M. shaanxiensis sp. nov.

- Tegmina of male shorter, not reaching the base of epiproct?with white stripe on the fore margin at base, tegmina of female shorter, not reaching the hind margin of first abdominal tergum; width of epiphallus equal its high; upper ovipositor valve shorter and broader, length 2.5 times its maximum width (fig.18)...................... M. anomopterus ( Caudell, 1921) Caudell, 1921 Proceedings of the Entomological Society of Washington, 23, 27–35. ( Chrysochraon ) Bey-Bienko, 1932 Eos 8: 86. ( Mongolotettix ). Type locality: China, Zhejiang, Mokanshan. Location of type specimen: holotype, ♂, USNM Washington.