Marthogryllacris (Borneogryllacris) nanlingensis Li, Liu et Li, 2014

Li, Miaomiao, Fang, Yan, Liu, Xianwei & Li, Kai, 2014, Review of the species of the genus Marthogryllacris (Orthoptera, Gryllacrididae, Gryllacridinae), Zootaxa 3889 (2), pp. 277-288 : 283-284

6. Marthogryllacris (Borneogryllacris) nanlingensis Li, Liu et Li sp. nov.

( Figs. 17–20 )

Description. Male. Body smaller than female. Fastigium of vertex long-ovate, about 2 times as wide as scape, Frons smooth, with pale lateral carinae; eyes long-oval, prominent. Fore margin of pronotum projected, hind margin straight. Tegmina rather extending beyond the apex of abdomen, half-transparent; R with 3 branches at apex; Rs occurred before the middle of R, with 2 branches; CuA with 2 branches. Wings transparent, slightly longer than tegmina. Fore and mid tibiae with 4 pairs of spurs, mid tibia without intero-apical spur. Hind femur armed 1–2 internal spines and 5 external spines on ventral surface; hind tibia with 6 spines on each side of dorsal surface. 9 th abdominal tergite split into two long and broad lobes; subgenital plate short, broader than long, posterior margin nearly truncate ( Fig. 19 ). Styli slightly longer than subgenital plate, cylindrical.

Female. R of tegmina with 4 branches at apex; Rs occurred at the middle of R, with 3 branches; M united with R on base; CuA with 3 branches, CuP furcation, the upper branch connecting with CuA, A with 4. Wings not reaching to tegmina. Hind femur armed 6–7 internal spines and 6 external spines on ventral surface; hind tibia with 6–7 spines on each side of dorsal surface. Subgenital plate slightly narrowed and with apex roundly truncated ( Fig. 20 ).

Coloration. Body pale yellowish brown, occiput, apex of labrum, mandible and segments of antenna at base blackish. Venation of wings darkened. Apex of all femora, spurs and spines of hind femur black. Each side of all abdominal tergites with a blackish longitudinal stripe.

Material. Holotype ♂, Nanling , Guangdong, China, Alt. 1000m, 2008.VII.6, collected by Huang Bao-Ping & Yan Ying; paratype 1♀, Nanling, Guangdong, China, Alt. 1000m, 2007.VI.20, collected by Huang Hao.

Measurements. (length in mm)

Body Pronotum Tegmina Hind femur Ovipositor

♂ 20.0 6.0 25.5 10.5 /

♀ 34.0 6.0 26.0 18.0 20.0

Distribution. China (Guangdong).

Diagnosis. This new species resembles to M. (B.) nigromarginata ( Karny, 1928) , but differs from the latter in: the occiput and genae blackish.

Figures

FIGURES 17–20. Marthogryllacris (Borneogryllacris) nanlingensis Li, Liu, Li sp. nov. 17. Head of male, frontal view; 18. head and pronotum of male, dorsal view; 19. subgenital of male, ventral view; 20. 7th abdominal sternum and subgenital plate of female, ventral view; scale bars=1mm.