Isoperla neimongolica Yang & Yang, 1996

Chen, Zhi-Teng, Song, Liang-Dong & Feng, Wen-Tao, 2019, A new species of Isoperla (Plecoptera: Perlodidae) from the Qinling Mountains of northwestern China and notes on the Chinese species of the genus, Zootaxa 4651 (2), pp. 379-391 : 383

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).

Figures

FIGURE 1. Drawings of older Isoperla species from China tracing original literature. A. I. bimaculata, female head and pronotum, dorsal view; B. I. bimaculata, female terminalia, ventral view; C. I. curvispina, male terminalia, dorsal view; D. I. curvispina, male terminalia, ventral view; E. I. curvispina, female terminalia, ventral view; F. I. fengi, female terminalia, ventral view; G. I. nanchana, male terminalia, ventral view; H. I. neimongolica, male head and pronotum; I. I. neimongolica, male terminalia, dorsal view; J. I. neimongolica, male terminalia, ventral view; K. I. ordosi, male terminalia, dorsal view; L. I. ordosi, male terminalia, ventral view; M. I. sowerbyi, female terminalia, ventral view; N. I. yangi, male terminalia, dorsal view; O. I. yangi, male terminalia, ventral view; P. I. yangi, female terminalia, ventral view.