Eugryllacris nigriabdominis Bin & Bian, 2021

Pang, Siyu, Zhang, Qianwen & Bian, Xun, 2023, Contribution to the knowledge of Chinese Gryllacrididae (Orthoptera) XX: New descriptions from Guangxi and Guizhou, Zootaxa 5357 (1), pp. 121-130 : 124

Eugryllacris nigriabdominis Bin & Bian, 2021

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Figures 2–3

Description. Female (initial description). The following characters are in addition to those similar to the male description. Body almost green, abdominal tergites with narrow black posterior margin instead of black. Seventh abdominal sternite wider than long, ventral surface obviously swollen, posterior margin arched with a short process in the middle ( Fig. 3G ). Subgenital plate longer than wide; the lateral margins convex at basal two-thirds area and then narrowing, subapical areas of the lateral margins faintly constricted; posterior margin with median concavity, and the lateral lobes small and rounded ( Fig. 3G, H ). Ovipositor obviously upcurved, margins slightly and gradually narrowing towards apices; dorsal margins of subapices slightly expanded ( Fig. 3E ).

Measurements (mm). Female: BL 29.50–29.90, PL 7.83–8.19, TL26.90–27.86, HFL 14.08–14.44, OvL 17.15–18.50.

Material examined. Holotype: male (originally conserved in alcohol), Gulinjing, Maguan , Yunnan, July 28, 2021, coll. by Wei Bin, Xiaoyu Peng and Xun Bian . Other specimens: 10 males and 12 females, Nayong , Guizhou, July 15, 2023, coll. by Yao Zhang .

Distribution. Guizhou (Nayong), Yunnan (Maguan).

Figures

FIGURE 2. Eugryllacris nigriabdominis Bin & Bian, 2021. Male: 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–J. apex of abdomen: E. lateral view, F. ventral view, G. ventro-lateral view, H. apical and slightly ventral view, I–J. ventral view; K–L. apex of tenth abdominal tergite: K. ventral view, L. apico-dorsal view.

FIGURE 3. Eugryllacris nigriabdominis Bin & Bian, 2021. 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. apex of abdomen in lateral view; F–G. seventh abdominal sternite and subgenital plate: F. ventral view, G. ventral and slightly apical view; H. apex of abdomen in ventral view.