Haliplus (Haliplus) kamiyai Nakane, 1963

Hayashi, Masakazu, Iwata, Tomofumi & Yoshitomi, Hiroyuki, 2023, Revision of the family Haliplidae (Insecta, Coleoptera) in Japan, ZooKeys 1168, pp. 267-294 : 267

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).

Figures

Figure 6. Haliplus kamiyai A habitus B head C prosternal process D penis E left paramere F right paramere. Scale bars: 1.0 mm (A); 0.5 mm (B); 0.25 mm (C); 0.1 mm (D-F).

Figure 18. Distribution maps based on specimens examined A Peltodytes intermedius B Peltodytes sinensis C Haliplus japonicus D Haliplus kamiyai (circle), Haliplus morii (star), Haliplus regimbarti (square) E Haliplus simplex (black circle), Haliplus angustifrons (white circle) F Haliplus basinotatus (black circle), Haliplus kotoshonis (white circle).