Thienemanniella oyabedilata Sasa, Kawai et Ueno

Fu, Yue, Saether, Ole & Wang, Xinhua, 2010, Thienemanniella Kieffer from East Asia, with a systematic review of the genus (Diptera: Chironomidae: Orthocladiinae), Zootaxa 2431, pp. 1-42 : 18

Thienemanniella oyabedilata Sasa, Kawai et Ueno

( Figs 13 A–C)

Thienemanniella oyabedilata Sasa, Kawai et Ueno, 1988: 57 ; Yamamoto 2004: 104; Makarchenko & Makarchenko 2006: 159.

Material examined. JAPAN: Honshu, Toyama Prefecture, Futomibashi Bridge of Oyabe River, sweeping, holotype male, 15.ix.1987, M. Sasa (No. 137: 81).

Diagnostic characters. The species differs from other East Asian members of the genus by having an antenna with 12 flagellomeres, AR 0.52, palpomere 5/ 3: 2.7, superior volsella triangular and inferior volsella low and triangular.

Additional description. Tentorium 125 µm long, 25 µm wide. Wing length / length of profemur: 2.8. Palpomeres length (in µm): -; 18; 33; 40; 88. Palpomere 2 and 3 ellipsoid, 4 rectangular, 5 long and slender; palpomere 5/ 3: 2.7. Gonocoxite 75 µm long with 3 long setae apically. Gonostylus 35 µm long. Inferior volsella low and triangular. Transverse sternapodeme narrow, 30µm long; phallapodeme slightly curved, 40 µm long. HR 2.1, HV 3.5.

Distribution. Japan and Russian Far East.

Figures

FIGURES 13. Thienemanniella oyabedilata, male. A. Wing; B. Hypopygium, dorsal view; C. Hypopygium, ventral view.