Isoperla neimongolica Yang & Yang, 1996

Isoperla neimongolica Yang & Yang, 1996 . Journal of China Agricultural University, 1(5): 117; Yang & Li, 2018. Species Catalogue of China. Vol. 2. Animals, Insecta (III), Plecoptera: 49.

Type information. Holotype male, China: Inner Mongolia, Xing’an League, Qianqi. 1983.VI.27.

Remarks. Only male of this species is known and apparently tergum 10 is produced posteromedially, paraprocts long and triangular, and the vesicle obsolescent (Figs. 1 H–J; see fig. 4 in Yang & Yang 1996). Color pattern: head pale, ocellar area with a butterfly-shaped spot; pronotum pale brown, with pale median stripe and lateral margins; legs yellow, femora and tibiae dorsally dark; ventral surface of body pale brown (Yang & Yang 1996, in Chinese).