Rheotanytarsus tamatertius Sasa Rheotanytarsus tamatertius Sasa 1980: 14 Figs. 7–9 Material examined. 1 male (BDN No. 20662), Fujian Province, Jianning Country. IX. 26. 2002. Leg. Zh Liu, Light trapped. 1 male (BDN No. 20804), Fujian Province, Nanping City, Maodi Country, Mangdangshan. IX. 23. 2002. Leg. Zh Liu. Light trapped. Diagnosis. The species is described in detail by Sasa (1980). Distribution. The species is known from Tama River of Japan (Palaearctic) and Fujian province in southern China (Oriental). Remarks. The body size and AR of the specimen from China (wing length 1.44–1.52 mm, AR 0.77–0.78) is slightly larger than that from Japan (wing length 1.18–1.26 mm, AR 0.23–0.53).

Published as part of Wang, Xinhua & Guo, Yuhong, 2004, A review of the genus Rheotanytarsus Thienemann & Bause from China (Diptera: Chironomidae: Tanytarsini), pp. 1-19 in Zootaxa 650 on page 7, DOI: 10.5281/zenodo.158146