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)