Haliplus (Liaphlus) sharpi Wehncke, 1880

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

Haliplus (Liaphlus) sharpi Wehncke, 1880

Figs 17 , 19C Japanese name: Madara-kogashira-mizumushi

Haliplus sharpi Wehncke, 1880: 74. Satô 1985: 181; Nakane 1985: 63; 1987: 30; Vondel 1995: 123; Matsuo and Fukagawa 2016: 53; Mitamura et al. 2017: 140; Hayashi and Kadowaki 2019: 25; Nakajima et al. 2020: 24; Nakamine and Nakamine 2021: 2; Imasaka et al. 2021: 71; Watanabe and Ohba 2022: 34.

Haliplus (Liaphlus) sharpi : Satô 1984: 3; Vondel 1991: 129; 1993: 313; 2003a: 32.

Haliplus simplex : Kamiya 1936: 48. [misidentification]

Haliplus tsukushiensis Yoshimura, 1932: 102. Nakane 1963a: 55. [synonymized by Satô 1984]

Haliplus holmeni Vondel, 1991: 109. [synonymized by van Vondel 2017]

Material examined.

10 exs., Niigata Prefecture: Ohura, Aikawa-machi, Sadoga-shima, 27-30. V.1989, Y. Abe & T. Abe leg. (KPMNH).

Measurements

(n = 10). TL 3.22-4.81 (4.48) mm; HW 0.71-0.81 (0.75) mm; CED 0.28-0.35 (0.31) mm; PL 0.70-0.80 (0.75) mm; PW 1.35-1.51 (1.44) mm; EL 2.30-2.52 (2.39) mm; EW 1.75-1.95 (1.87) mm; BT 1.40-1.56 (1.49) mm; HW/CED 2.25-2.69 (2.41); PW/PL 1.86-2.04 (1.95); EL/EW 1.23-1.33 (1.27).

Biology.

This species typically inhabits stagnant water environments such as ponds, paddies, and swamp ( Nakanishi 2012; Watanabe and Hidaka 2013). The larvae feed on Characeae algae ( Nakanishi 2012). The pupation occurred in the pupal chamber in laboratory rearing experiments ( Nakanishi 2012).

Immature stages.

The color photographs were provided by Nakanishi (2012) and Mitamura et al. (2017).

Distribution.

Japan: Hokkaido, Honshu, Shikoku, Kyushu, Sado (new record), Oki, Tsushima, Iki, Azuchi-ôshima in Nagasaki, Hirado-jima, Goto-retto, Koshikishima-retto, Nansei shoto (Tanegashima); Korea, China, Taiwan.

Figures

Figure 17. Haliplus sharpi 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 19. Distribution maps based on specimens examined A Haliplus eximius B Haliplus ovalis C Haliplus sharpi.