Apterolarnaca nigrifrontis Bian & Shi, 2016

Luo, Ting, Zhang, Hui & Bian, Xun, 2024, Contribution to the knowledge of Chinese Gryllacrididae (Orthoptera: Ensifera: Stenopelmatoidea) XXVI: New additions based on the specimens from Southern China, Zootaxa 5538 (6), pp. 546-560 : 547-548

Apterolarnaca nigrifrontis Bian & Shi, 2016

Figures 1–2

Description. Female (new description). Body slightly larger than male, and the coloration as male. Fore tibiae with 4 pairs of spurs and 1 pair of apical spurs on ventral surface. Middle tibiae with 3 pairs of spurs and 1 pair of apical spurs on ventral surface. Hind femora ventrally with 6 internal and 3 external spines; tibiae with 3 internal and 4–6 external spines on dorsal surface, apices with 1 pair of dorsal spurs and 2 pairs of ventral spurs, subapical area with 1 pair of ventral spurs. Seventh abdominal sternite wider than long, posterior margin inverted trapezoidal. Subgenital plate wider than long; middle area of basal margin semi-membranous, with 1 copulatory depression on each side; lateral margins convex and converging after middle area; posterior margin straight, the lateral angles obtuse ( Fig. 2G ). Ovipositor shorter than hind femora, obviously upcurved, apices obtuse ( Fig. 2F ).

Measurements (mm). Female: BL 22.35, PL 5.16, HFL 9.62, OvL 7.72.

Material examined. 2 males and 1 female, Xima, Yingjiang , Yunnan, September 10, 2024, coll. by Weizong Yang ; 1 male, Pianma, Lushui , Yunnan, August 16, 2024, coll. by Ting Luo and Yanting Qin .

Distribution. Yunnan (Pianma, Yingjiang)

Figures

FIGURE 1. Apterolarnaca nigrifrontis Bian & Shi, 2016. Male: A. head in frontal view; B–C. head and pronotum: B. dorsal view, C. lateral view; D. right hind leg in lateral view; E. second and third abdominal tergites in lateral view; F–I. apex of abdomen: F. lateral view, G. dorsal and slightly apical view, H. apical view, I. ventral view.

FIGURE 2. Apterolarnaca nigrifrontis Bian & Shi, 2016. Female: A. head in frontal view; B–C. head and pronotum: B. dorsal view, C. lateral view; D. second and third abdominal tergites in lateral view; E. hind femur in lateral view; F. ovipositor in lateral view; G. seventh abdominal sternite and subgenital plate in ventral view.