Revision of Polypedilum (Pentapedilum) Kieffer and Ainuyusurika Sasa et Shirasaki (Diptera: Chironomidae) Author Oyewo, Emmanuel Adeoye Author Saether, Ole A. text Zootaxa 2008 2008-12-05 1953 1 145 journal article 1175­5334 Key to males of Ainuyusurika Sasa et Shirasaki 1. Superior volsella without lateral and basal setae( Fig. 47F ); inner setae of gonostylus short, few and evenly spread, but confined to lower half; wing vein M without seta; LR 1 about 1.3. ............................................ .................................................................................................................... A . yakucedeum (Sasa et Suzuki) - Superior volsella with lateral seta, with or without basal seta; inner setae of gonostylus short, numerous, clumped; wing vein M with or without seta; LR 1 0.9–1.2 or about 1.8....................................................... 2 2. Lateral seta of superior volsella at the posterolateral corner of the T-shaped region ( Fig. 47E ); wing vein M with setae; inner setae of gonostylus numerous, clumped and confined to lower half; LR 1 0.9–1.2. ...... .......................................................................................................................... A . tuberculatum (Tokunaga) - Lateral seta of superior volsella situated on the dorsal portion of the shaft ( Fig. 47G ); wing vein M without setae; inner setae of gonostylus numerous, clumped and evenly distributed; LR 1 about 1.8. ...................... ...................................................................................................................... A . yakuabeum (Sasa et Suzuki)