Haliplus (Nipponiplus) regimbarti Zaitzev, 1908

Figs 5, 18D Japanese name: Taiwan-kogashira-mizumushi

Haliplus brevis Wehncke, 1880: 7. [nec Stephens 1828]

Haliplus regimbarti Zaitzev, 1908: 122. [replacement name for Haliplus brevis Wehncke, 1880]

Haliplus regimbarti: Vondel 1995: 122; Nakajima et al. 2020: 21.

Haliplus (Haliplus) regimbarti: Vondel et al. 2006: 257; Iwata 2016: 100.

Haliplus sauteri Zimmermann, 1924: 130. [synonymized by van Vondel 1995]

Material examined.

Specimens examined in this study are listed in Suppl. material 1.

Measurements

(n = 4). TL 2.87-4.44 (4.02) mm; HW 0.68-0.74 (0.72) mm; CED 0.31-0.34 (0.32) mm; PL 0.65-0.71 (0.68) mm; PW 1.23-1.35 (1.30) mm; EL 2.22-2.35 (2.31) mm; EW 1.76-1.90 (1.85) mm; BT 1.26-1.39 (1.35) mm; HW/CED 2.18-2.34 (2.23); PW/PL 1.84-1.98 (1.92); EL/EW 1.22-1.26 (1.25).

Biology.

This species was collected from a small pond with submerged water plants (Iwata 2016) and a narrow stream with flourishing water plants flowing beside paddy fields (Nakajima et al. 2020).

Immature stages.

Unknown.

Distribution.

Japan: Nansei shoto (Yonaguni-jima); Taiwan, south China.