Hydrocanthus indicus Wehncke, 1876

Hendrich, Lars & Balke, Michael, 2004, Aquatic Coleoptera Of Singapore: Species Richness, Ecology And Conservation #, Raffles Bulletin of Zoology 52 (1), pp. 97-145 : 108

Hydrocanthus indicus Wehncke, 1876

( Fig. 25 )

Hydrocanthus indicus Wehncke, 1876: 223 ; Sharp, 1882: 279; Régimbart, 1889: 151; Zimmermann 1919a: 118; 1920: 15; 1928: 4; Satô, 1972: 144; Vazirani, 1977: 4; Balke et al., 1999: 325.

Material examined. – 1 specimen – Central catchment area - 1 ex., MacRitchie Reservoir Park, close to Sime Road, 24 Apr.1997, coll. M. Balke & L. Hendrich ( ZRC) .

Distribution. – Cambodia, Vietnam, Myanmar, Thailand, West Malaysia, Indonesia: Sumatra, Java, Kalimantan ( Vazirani, 1977), Singapore (Balke et al., 1999).

Ecology. – Our single specimen was collected from leaf litter in an almost dry, shallow, muddy and shaded pond, situated in a freshwater swamp forest. In general, Hydrocanthus usually occur in more permanent water bodies rich in submerged vegetation and rotten leaves.

Figures

Figs. 24-30. 24. Cybister sugillatus Erichsin, 1834 (Fam. Dytiscidae, 22.0 mm); 25 Hydrocanthus indicus Wehncke, 1876 (Fam. Noteridae, 4.5 mm); 26. Spercheus stangli Schwarz & Barber, 1917 (Fam. Spercheidae, 4.2 mm); 27. Berosus fairmairei Zaitzev, 1908 (Fam. Hydrophilidae, 4.5 mm); 28. Amphiops mater sumatrensis (Sharp, 1873) (Fam. Hydrophilidae, 3.5 mm); 29. Helochares pallens (MacLeay, 1825) (Fam. Hydrophilidae, 3.1 mm);30. Hydrophilus cavisternum Bedel, 1891 (Fam. Hydrophilidae, 32.0 mm).