Zygoneura (Zygoneura) sajanica Mamaev. A 1976

Zygoneura (Zygoneura) sajanica Mamaev, 1976 (Figs 15A–E) Zygoneura sajanica Mamaev, 1976 [Mamaev (1976): 136 –137; Menzel & Mohrig (2000): 582; Zhang et al. (2010): 45; Shin et al. (2014): 562; Huang et al. (2020): 361]. Material examined. China, Zhejiang Province, Linan, Mt. Tianmu, 30°18’ N, 119°25’ E, 1♂, 18.VII.2008, leg. Xiao-Ling Niu [SM00149]; 1♂, same locality, 10.II.2009, leg. Su-Jiong Zhang [SM00343]; China Sichuan Province, Pingwu, Wanglang nature reserve, 32°42’ N, 104°52’ E, leg. Zhuan Lu: 1♂, 24.VII.2006 [SM00944]; 1♂, 25.VII.2006 [SM00945]; China, Sichuan Province, Emeishan, Lingjuesi, 29°33’ N, 103°19’1.2’’ E, 2390 m a.s.l., 1♂, 25.VII.2019, leg. Tao Li [ZAFUSC748]; China, Sichuan Province, Laojunshan, 28°42’ N, 104°1’1.2’’ E, 1500 m a.s.l., 29.VIII.2019, leg. Tao Li: 1♂ [ZAFUSC959], 1♀ [ZAFUF131]; China, Zhejiang Province, Anji, Mt. Longwang, 30°14’34.44’’ N, 119°15’3.59’’ E, 559 m a.s.l., malaise trap, leg. Caixia Liu: 4♂♂, 19.XI.2018 [LW-QMT367, LW-QMT414, LW-QMT358, LW-QMT501]; 1♂, 18.XI.2018 [LW-XG801]; 1♀, 19.X.2018 [LWF117]; 1♂, 16.X.2018 [LW-XG553]; 1♂, 15.IX.2018 [LW-XG944-2]; 1♀, 13. VI.2018 [LW-F56]; 1♂, 16.VII.2018 [LW-QMT372]; China, Zhejiang Province, Lin’an, Mt. Tianmu, 30°12’10.80’’ N, 119°15’50.4’’ E, 360 m a.s.l., malaise trap, leg. Zuluan Chen: 2♀♀, 28.XI.2018 [TMM-F107, TMM-F108]; 1♂, 28. VI.2018 [TMM-1087]; 1♂, 26.VII.2018 [tmm-14]; 1♂, 29.VII.2018 [TMM-926-2]. Remarks. Zhang et al. (2010) reported this species for the first time in China. This species can easily be distinguished from other species of the subgenus by the gonostylus with two subapical megasetae, relatively apart from each other (Fig. 15D). Distribution. China: Zhejiang, Sichuan (Zhang et al. 2010), Russia (Mamaev 1976).