Isoperla lunigera (Klapálek, 1923)

Chloroperla lunigera Klapálek, 1923 . Ann. Soc. Ent. Belg., 63: 26.

Isoperla lunigera Claassen, 1940 . Mem. Cornell agric. Exp. Sta., 232: 203; Illies, 1966. Das Tierreich, 82: 408; Zwick, 1973a. Das Tierreich, 94: 247; Zwick & Surenkhorloo, 2005. Acta. Zool. Academ. Sci. Hung., 51(3), 255; Teslenko & Zhiltzova, 2006. Zootaxa, 1130: 16; Zhu, Zhang & Wang, 2007. Journal of Shihezi University (Natural Science), 25: 275; Teslenko, 2009. Aquatic Insects, 31(Supplement 1): 699; Judson & Nelson, 2012. Zootaxa, 3541: 48; Yang & Li, 2018. Species Catalogue of China. Vol. 2. Animals, Insecta (III), Plecoptera: 49.

Type information. Holotype male, Russia: Irkutsk.

Distribution in China. Xinjiang Uygur Autonomous Region, Haba River (Zhu et al. 2007).

Remarks. Both male and female are described with the aedeagus illustrated. The male of this species has small hooked paraproct, an unmodified tergum 10, and complex aedeagal sclerites. The female has a slightly developed subgenital plate with a small apical projection (see figs. 183–188 in Teslenko & Zhiltzova 2009 and figs. 332–334 in Judson & Nelson 2012). Color pattern: head pale, with a subquadrate, dark ocellar spot; pronotum pale with two dark brown stipes; legs pale brown (Judson & Nelson 2012).