Corynoneura kisogawa Sasa et Kondo

Fu, Yue, Saether, Ole A. & Wang, Xinhua, 2009, Corynoneura Winnertz from East Asia, with a systematic review of the genus (Diptera: Chironomidae: Orthocladiinae), Zootaxa 2287, pp. 1-44 : 19

Corynoneura kisogawa Sasa et Kondo

( Figs 10 A–C)

Corynoneura kisogawa Sasa et Kondo, 1993: 102 .

Material examined: JAPAN: Honshu, Aichi, Bisai, sweep net, male holotype (No. 222: 100), 15.xi.1988, M. Sasa.

Diagnostic characters: The species can be separated from other East Asian Corynoneura by having antenna with 12 flagellomeres, AR 0.33; phallapodeme straight and erect; sternapodeme inverted U-shaped, and no inferior volsella.

Additional description and corrections. The holotype possesses 12 flagellomeres with AR 0.33, while the original description by Sasa & Kondo (1993) mentions antenna with 10 flagellomeres and AR 0.46. The total length is 1.12 mm and the wing length 0.83 mm, while the original description mentions a total length of 1.20 mm and a wing length of 0.74 mm. The leg ratio of the mid leg is 0.52, of the hind leg 0.54, while the original description mentions 0.64 and 0.46 respectively. Some additional characters should be added: Tentorium 125 µm long, 15 µm wide. Sternapodeme inverted U-shaped, coxapodeme 20 µm long, attachment point with phallapodeme placed in caudal position of sternapodeme and caudally directed; phallapodeme short and straight, 33 µm long. Gonocoxite 73 µm long. Gonostylus 38 µm long. HR 2.1, HV 3.0. The wing and hypopygium of the holotype are redrawn ( Figs 10 A–C).

Distribution. Japan.

Figures

FIGURE 10. Corynoneura kisogawa Sasa et Kondo, 1993, male. A. Wing. B. Hypopygium, dorsal view. C. Hypopygium, ventral view.