Metriogryllacris (Metriogryllacris) bimacula Yu, Liu & Bian 2022
Creators: name: Zhang, Qianwen
name: Pang, Siyu
name: Bian, Xun
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Orthoptera
Gryllacrididae
Metriogryllacris
Metriogryllacris bimacula

description: Metriogryllacris (Metriogryllacris) bimacula Yu, Liu & Bian, 2022 AṀaeḋỡ
Figures 2, 9E–F, 11A–C
Female (new description). Wings reaching the middle area of sixth abdominal tergite. Tegmina (Fig. 9E–F): In left tegmen, radius forks into two branches between middle and apical third of tegmen, R forked in subapical area; MA fused with R in basal third of tegmen, then raises from R. While right tegmen, R undivided; MA raises from R in basal fourth of tegmen, then together with RS and raises from the latter in apical area. Cubitus anterior free from base, which divides into CuA1 and CuA 2 in subapical area (Fig. 9E) or behind middle of tegmen (Fig. 9F). Both tegmina: Cubitus posterior undivided, free throughout; with 3 anal veins. Fore coxae with 1 small coxae. Fore and middle tibiae with 4 pairs of spines and 1 pair of apical spines; middle tibiae dorsally with 1 internal spine. Hind femora with 8–11 internal and 4–6 external spines on ventral surface; tibiae with 6 pairs of spines on dorsal surface, subapical area with 1 pair of ventral spines, apices with 1 pair of dorsal spines and 2 pairs of ventral spines. Second and third abdominal tergites each with two rows of stridulatory pegs (Fig. 2D). Seventh abdominal sternite longer than wide, posterior margin narrowly rounded; ventral surface with one sclerotized transverse fold (Fig. 2F). Subgenital plate transverse, posterior margin widely rounded, ventral surface semi-membranous along the midline, which as wide as the transverse fold of seventh abdominal sternite and the both sides slightly convex (Fig. 2F). Ovipositor short, apart from subbasal gradually and obliquely curved upward, apical area slightly curved dorsad, apices obtuse; basal area of ventral valvulae with 1 pair of lobate processes, its apices widely arched (Fig. 2E). Other characters (including coloration) as the male’s description (Yu et al., 2022).
Material examined. 1 male and 2 females, Hongtan, Huaping, Guangxi, July 2, 2022, coll. by Xiangyi Lu and Siyu Pang; 1 male and 1 female, Hongtan, Huaping, Guangxi, July 4, 2022, coll. by Xiangyi Lu and Siyu Pang; 1 male, Hongtan, Huaping, Guangxi, July 5, 2022, coll. by Xiangyi Lu and Siyu Pang; 1 female, Hongtan, Huaping, Guangxi, July 6, 2022, coll. by Xiangyi Lu and Siyu Pang; 1 male and 1 female, Hongtan, Huaping, July 8, 2022, coll. by Xiangyi Lu and Siyu Pang; 1 female, Huangsha, Lingui, Guangxi, July 9, 2022, coll. by Xun Bian; 1 female, Anjiangping, Huaping, Guangxi, July 13, 2022, coll. by Xiangyi Lu, Siyu Pang and Huan Meng; 1 female, Hongtan, Huaping, Guangxi, July 24, 2022, coll. by Siyu Pang, Pinying Rong and Huan Meng; 2 males and 2 females, Hongtan, Huaping, Guangxi, July 25, 2022, coll. by Siyu Pang, Pinying Rong and Huan Meng; 3 males and 4 females, Hongtan, Huaping, Guangxi, July 27, 2022, coll. by Siyu Pang, Pinying Rong and Huan Meng; 1 male and 1 female, Hongtan, Huaping, Guangxi, July 28, 2022, coll. by Siyu Pang, Pinying Rong and Huan Meng; 1 male, Hongtan, Huaping, Guangxi, July 29, 2022, coll. by Siyu Pang, Pinying Rong and Huan Meng; 1 male, Hongtan, Huaping, Guangxi, July 30, 2022, coll. by Siyu Pang, Pinying Rong and Huan Meng; 2 females, Hongtan, Huaping, Guangxi, August 1, 2022, coll. by Siyu Pang, Pinying Rong and Huan Meng; 1 female, Anjiangping, Huaping, Guangxi, August 7, 2022, coll. by Siyu Pang, Pinying Rong and Huan Meng; 1 female, Anjiangping, Huaping, Guangxi, October 2, 2022, coll. by Xiangyi Lu and Qianwen Zhang.
Measurements (mm). Female: BL 20.4–21.8, PL 4.9–5.4, TL 10.5–11.0, HFL 10.1–11.9, OvL 7.3–7.4.
Distribution. Guangxi (Lingui).
description: Published as part of Zhang, Qianwen, Pang, Siyu & Bian, Xun, 2022, Contribution to the knowledge of Chinese Gryllacrididae (Orthoptera) XII: Notes on the Chinese Metriogryllacris Karny, 1937, pp. 36-48 in Zootaxa 5213 (1) on pages 37-38, DOI: 10.11646/zootaxa.5213.1.2, http://zenodo.org/record/7350098