Aquatic Coleoptera Of Singapore: Species Richness, Ecology And Conservation # Author Hendrich, Lars Author Balke, Michael text Raffles Bulletin of Zoology 2004 52 1 97 145 journal article 10.5281/zenodo.13244881 2345-7600 13244881 Helochares anchoralis Sharp, 1890 Helochares anchoralis Sharp, 1890: 352 ; d’Orchymont, 1927: 249; Fernando, 1961: 23 ; 1964: 87 ; Hebauer, 1995b: 4 ; Hansen, 1999: 164 , and references therein. Material examined . 2 specimens - Sungai Buloh 1 ex. , mud pool, 15 Nov.1990 , coll. ZRC staff ( ZRC ). Pulau Ubin 1 ex. , 12 Nov.1990 , ZRC.6.15657, coll. K. Lim ( ZRC ) . Distribution . – India, Sri Lanka, Bangladesh, Thailand, West Malaysia, Indonesia [Sumatra, Bali] Cambodia, Laos, China, Taiwan, Philippines and Japan ( Hebauer, 1995b ; Hansen, 1999 ). Singapore ! Ecology . – A lentic species living in very shallow water at the edge of exposed, well-vegetated ponds, pools, puddles and slow-flowing streams and ditches, in primary and cultivated areas very often in temporary habitats. The species is attracted to light and colonise a wide variety of habitats ( Fernando, 1961 ).