Haliplus (Haliplus) kamiyai Nakane, 1963

Figs 6, 18D Japanese name: Kamiya-kogashira-mizumushi

Haliplus kamiyai Nakane,1963b: 25. Nakane 1963a: 55; 1985: 62; 1987: 29; Mitamura et al. 2017: 141; Nakajima et al. 2020: 20.

Haliplus (Haliplus) kamiyai: Vondel et al. 2006: 252.

Material examined.

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

Measurements

(n = 10). TL 2.64-4.24 (3.84) mm; HW 0.61-0.71 (0.66) mm; CED 0.34-0.36 (0.35) mm; PL 0.60-0.67 (0.64) mm; PW 1.06-1.25 (1.16) mm; EL 1.85-2.28 (2.08) mm; EW 1.46-1.71 (1.60) mm; BT 1.16-1.33 (1.24) mm; HW/CED 1.81-2.09 (1.89); PW/PL 1.76-1.90 (1.79); EL/EW 1.26-1.33 (1.29).

Biology.

This species lives in still water with abundant aquatic plants such as, ponds, paddies, and streams (Nakajima et al. 2020). The larvae feed on Zygnemataceae algae (Watanabe and Yamasaki 2020).

Immature stages.

Color photographs were provided by Watanabe and Yamasaki (2020).

Distribution.

Japan: Honshu (Tohoku and Kanto Regions).