Rheotanytarsus aestuarius (Tokunaga)

Tanytarsus (Rheotanytarsus) aestuarius Tokunaga 1938: 360 (Fig. 31)

Rheotanytarsus tumiclus Chaudhuri et al 1994: 153 (Figs. 2–3)

Rheotanytarsus aestuarius (Tokunaga) Kyerematen, Andersen & Saether 2000: 229 (Figs. 1 A–D), Sasa & Kikuchi 1986: 26 (Fig. 3 J), Sasa & Suzuki 1991: 98, Sasa, Kitami & Suzuki 2001: 14, Wang & Zheng 1993: 90 (Fig. 4).

Material examined. 1 male (BDN No. 01080), China, Tianjin City, Ji County, Yuqiao Reservoir. V. 10. 1987. Leg. X. Wang, sweep net.

Diagnosis. This species is described in detail by Kyerematen, Andersen & Saether 2000.

Distribution. The species is known from Japan and India, and now it is recorded from China, Tianjin, Yuqiao Reservoir, a typical mesotrophic water body in Tianjin (Palaearctic China).