Marthogryllacris (Borneogryllacris) elongata 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 : 287-288

9. Marthogryllacris (Borneogryllacris) elongata Li, Liu et Li sp. nov.

( Figs. 30–34 )

Description. Male. Body large, stout. Fastigium of vertex long-ovate, about 2 times as wide as scape, Frons smooth; eyes long-oval, prominent. Fore margin of pronotum projected, hind margin straight. Tegmina rather extending beyond the apex of abdomen, half-transparent; R with 5–6 branches at apex; Rs occurred at the middle of R, with 2–3 branches; CuA with 2 branches. Wings transparent, slightly longer than tegmina. Fore and mid tibiae with 5 pairs of spurs, mid tibia without intero-apical spur. Hind femur armed 1–2 internal spines and 7–8 external spines on ventral surface; each margin of hind tibia with 7 spines on dorsal surface. 9 th abdominal tergite split into two long, broad and sickle-like lobes ( Fig. 33 ); subgenital plate short, broader than long, with posterior margin emarginated. Styli as long as subgenital plate, cylindrical.

Female. R of tegmina with 7 branches at apex; Rs occurred after the middle of R, with 2 branches; CuA with 3 branches. Subgenital plate almost rounded, apex with shallow incision ( Fig. 34 ). Ovipositor straight, rather longer than hind femur, with blunt apex.

Coloration. Body yellowish brown, antennae except two basal segments, apex of labrum, mandible and spurs and spines of legs black. Wings infuscate, sometimes hind margin of pronotum and tibiae suffused with darkish.

Measurements. (length in mm)

Body Pronotum Tegmina Hind femur Ovipositor

♂ 32.0–33.0 8.0 40.0–41.0 20.0–21.0 /

♀ 40.0–51.0 9.0–9.5 40.0–46.0 22.0–23.0 26.0–31.0

Material. Holotype ♀, Lanpingfeng, Yuanbaoshan, Guangxi , China, Alt. 1300–1700m, 1992.IX.23, collected by Lu Wen; paratype 1♀, Chenzhou , Hunan, China, 1985.VII.31, collected by Zhang Ya-Lin and Chai Yong-Hui ; 1♂, Suoluo , Chishui , Guizhou, China, 1994.VIII.10, collected by Du Yu-Zhou; 1♀, Taipingshan , Liping , Guizhou, China, Alt. 520–860m, 2006.VII.15–18, collected by Song Qiong-Zhang; 2♂♂, Nanling , Guangdong, China, Alt. 1000m, 2008.VII.6, collected by Huang Bao-Ping & Yan Ying; 1♂ ♀, Maoer Mountain , Xing’an , Guangxi, China, 2009.VIII.10, collected by Huang Bao-Ping & Yan Ying; 2♀♀, Daming Mountain , Wuming , Guangxi, Alt. 1200m, 2012.VII.28–31, collected by Bi Wen-Xuan.

Distribution. China (Hunan, Guangxi, Guizhou).

Diagnosis. This new species, with wings infuscate and 9 th abdominal tergite of male with lobes sickle-like, is distinguishable from M. (B.) spinosa Li, Liu et Li sp. nov..

Figures

FIGURES 30–34. Marthogryllacris (Borneogryllacris) elongata Li, Liu, Li sp. nov. 30. head and pronotum of male, dorsal view; 31. end of male abdomen, lateral view; 32. end of male abdomen, ventral view; 33. end of 9th abdominal tergite, caudal view; 34. subgenital plate of female, ventral view; scale bars=1 mm.