Haliplus (Haliplus) simplex Clark, 1863

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

Haliplus (Haliplus) simplex Clark, 1863

Figs 11 , 18E Japanese name: Chibi-kogashira-mizumushi

Haliplus simplex Clark, 1863: 419. Vondel 1995: 123; Matsuo and Fukagawa 2016: 51; Mitamura et al. 2017: 142; Nakajima et al. 2020: 21.

Haliplus minutus Takizawa, 1931: 140. Kamiya 1936: 45; Satô 1985: 181; Nakane 1985: 62. [synonymized by van Vondel et al. (2006)]

Haliplus (Haliplus) minutus : Satô 1984: 1; Vondel 2003a: 31; Vondel et al. 2006: 265.

Material examined.

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

Measurements

(n = 10). TL 2.49-3.75 (3.54) mm; HW 0.62-0.66 (0.64) mm; CED 0.32-0.35 (0.33) mm; PL 0.57-0.62 (0.59) mm; PW 1.04-1.14 (1.10) mm; EL 1.86-1.99 (1.92) mm; EW 1.50-1.61 (1.55) mm; BT 1.14-1.19 (1.15) mm; HW/CED 1.86-2.02 (1.92); PW/PL 1.75-1.94 (1.84); EL/EW 1.21-1.28 (1.24).

Biology.

This species typically inhabits stagnant water environments such as ponds, paddies, and swamps, and the adults were collected by sweep netting in shallow water ( Nakajima et al. 2020).

Immature stages.

Unknown.

Distribution.

Japan: Hokkaido, Honshu (Tohoku Region), Tsushima; Korea, China, Far East of Russia.

Figures

Figure 11. Haliplus simplex 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).