A review of Boreoheptagyia Brundin, 1966 (Chironomidae: Diamesinae) from East Asia and bordering territories, with the description of five new species Author Makarchenko, Eugenyi A. Institute of Biology and Soil Sciences, Russian Academy of Sciences, Far East Branch, 100 let Vladivostoku Avenue, Vladivostok 690022 Russia. E-mail: makarchenko @ biosoil. ru Koporasu-Tamura-C, Minami-machi Higashi- 5 - 1 - 14, Obihiro, Hokkaido 080 - 0855, Japan. E-mail: endito @ snow. plala. or. jp Life Science College of Nankai University, Tianjin, 300071 China. E-mail: xhwang @ nankai. edu. cn Corresponding author Author Endo, Kazuo Author Wu, Jingyang Author Wang, Xinhua text Zootaxa 2008 2008-07-07 1817 1 1 17 https://biotaxa.org/Zootaxa/article/view/zootaxa.1817.1.1 journal article 10.11646/zootaxa.1817.1.1 1175­5334 5125134 Boreoheptagyia rotunda Serra-Tosio Boreoheptagyia rotunda Serra-Tosio, 1983: 23–25 . Boreoheptagyia rotunda Serra-Tosio ; Serra-Tosio (1989: 163) . Diagnostic characters. Wing length 2.35–2.62 mm (n = 4). Antenna with 13 flagellomeres, AR 0.21–0.22. Acrostichals numerous; dorsocentrals 11 in 2 groups, 8 setae in anterior group, 3 setae in posterior group; prealars 16; preepisternals absent. LR 1 0.46, LR 2 0.44, LR 3 0.51. Aedeagal lobe rod-shaped, phallapodeme short. Basal lobe of gonocoxite rounded without setae. Gonostylus with megaseta. Distribution. The species is known only from the type locality, a high mountain area not far from Mount Everest in Nepal .