Thienemanniella Kieffer from East Asia, with a systematic review of the genus (Diptera: Chironomidae: Orthocladiinae) Author Fu, Yue Author Saether, Ole Author Wang, Xinhua text Zootaxa 2010 2431 1 42 journal article 10.5281/zenodo.194711 f57a365f-c755-4589-aa58-e103c2a10122 1175-5326 194711 Thienemanniella ginzanquerea Sasa et Suzuki ( Figs 6 A–C) Thienemanniella ginzanquerea Sasa et Suzuki, 2001 : 23 ; Yamamoto 2004 : 103 . FIGURES 6 . Thienemanniella ginzanquerea , male. A. Wing; B. Hypopygium, dorsal view; C. Hypopygium, ventral view. Material examined. JAPAN : Hokkaido, Shiribashi, Ginzan, sweeping, holotype male, 2.ix.2000 , H. Suzuki (No. 404: 22). CHINA : Fujian Province, Yongtai County, Forestry Bureau ( 25°52’ N , 118°57’ E ), 1130 m a.s.l., light trap, 1 male (BDN No. 20332), 16.ix.2002 , Zheng Liu. Diagnostic characters. The species can be separated from other East Asian members of the genus by having antenna with 12 flagellomeres, AR c. 0.5, superior volsella triangular, inferior volsella low and triangular, and tergite IX partly semi-transparent. Emended description. Anal point absent (in lieu of anal point narrow triangular and pointed). The Chinese specimens are with the following measurements: Total length 1.20–1.52 mm , wing length 0.71–0.92 mm . Wing length / length of profemur: 2.8. Antenna with 12 flagellomeres, AR 0.48–0.63. Tentorium 120 µm long, 15 µm wide. Palpomeres length (in µm): 17.5; 20; 30; 45; 95; palpomere 2 ellipsoid, 3 and 4 rectangular, 5 long and slender, palpomere 5/ 3: 3.2. Fore trochanter with keel. Tergite IX with semitransparent irregular structure. Gonocoxite 65–78 µm long with 2–3 long setae apically. Gonostylus 30 µm long with megaseta 8– 10 µm long. Superior volsella triangular. Inferior volsella developed, low and triangular, with many setae. Transverse sternapodeme narrow, 30–38 µm long, with weak oral projections; phallapodeme curved, 40–43 µm long. HR 2.2–2.6, HV 4.0–5.0. Distribution. Japan and China (Fujian Province).