Chironomus (Chironomus) nippodorsalis Sasa, 1979

Chironomus nippodorsalis Sasa, 1979: 188 .

Chironomus inaabeus Sasa, Kitami et Suzuki, 2001: 2 . syn. n. Specimen examined: Japan: Fukushima Pref., Lake Inawashiro, holotype ♂ of Chironomus inaabeus, 17. viii. 2000, K. Kitami [specimen No. 401:08 (NSMT-I-Dip-5369)].

Four setae along the inner margin of the superior volsella are not recognized in the holotype of Chironomus inaabeus . Colour pattern of the body and the shape of superior volsella completely consistent with those of C. nippodorsalis .