Metriogryllacris (Metriogryllacris) amitarum (Griffini, 1914)

Yu, Lijiang, Liu, Hong & Bian, Xun, 2022, Contribution to the knowledge of Chinese Gryllacrididae (Orthoptera) VIII: One new species of Metriogryllacris (Metriogryllacris) amitarum Group from Guangxi, Zootaxa 5169 (1), pp. 93-96 : 94

Key to the species of Metriogryllacris (Metriogryllacris) amitarum group

1 Pornotal margins black; tegmina reaching or surpassing the apex of abdomen..................................... 2

- Pornotal margins brown, disc with 1 black spot at anterior and posterior margins respectively ( Fig. 1B ); tegmina only reaching the middle area of fifth abdominal tergite.............................................. M. (M.) bimacula sp. nov.

2 Pronotal disc medially with longitudinal black stripe ( Ingrisch, 2018: Fig. 76E)................................... 3

- Pronotal disc medially without longitudinal black stripe ( Liu et al., 2021: 1 B)...................... M. (M.) nigralimbis

3 Black margins and medially longitudinal stripe of pronotum narrower ( Gorochov, 2004: Fig. 14); wings obviously surpassing the apex of abdomen, and slightly beyond the apex of hind femora; lateral lobes at bases of ventral valvula with spinous apices ( Gorochov, 2004: Fig. 28)................................................................ M. (M.) distincata

- Black margins and medially longitudinal stripe of pronotum broad ( Gorochov, 2004: Fig. 18); wings slightly surpassing abdomen but not reaching the apex of hind femora ( Ingrisch, 2018: Fig. 76B–C); lateral lobes at bases of ventral valvula with cylindrical apices ( Gorochov, 2004: Fig. 29)................................................. M. (M.) amitarum

Figures

FIGURE 1. Metriogryllacris (Metriogryllacris) bimacula sp. nov.. 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–I. apex of abdomen: E. dorsal view, F. lateral view, G. apico-ventral view, H. apical view, I. ventral view.