Hydrovatus stridulus Biström, 1996

Hendrich, Lars & Balke, Michael, 2004, Aquatic Coleoptera Of Singapore: Species Richness, Ecology And Conservation #, Raffles Bulletin of Zoology 52 (1), pp. 97-145 : 115-116

publication ID	https://doi.org/ 10.5281/zenodo.13244881
DOI	https://doi.org/10.5281/zenodo.13245176
persistent identifier	https://treatment.plazi.org/id/03D687B7-A73D-FFB6-3AB9-FA46BDFD4A1A
treatment provided by	Felipe
scientific name	Hydrovatus stridulus Biström, 1996
status

Treatment

Hydrovatus stridulus Biström, 1996 View in CoL

Hydrovatus stridulus Biström, 1996: 529 View in CoL ; Balke et al., 1999: 325; Nilsson, 2001: 192

Material examined. – 68 specimens - Bukit Timah – 1 ex., Bukit Timah , 13 Dec.1995, coll. T. Wong & H.K. Lim ( ZRC) ; 1 ex., Bukit Timah Nature Reserve , coll. C.F. Lim ( ZRC) . Central catchment area – 2 ex., Nee Soon Swamp Forest , 7 Sep.1991, coll. H. K. Lua ( ZRC) ; 1 ex., Nee Soon Swamp Forest , 19 Sep.1991, coll. K. L. Yeo ( ZRC) ; 1ex., Nee Soon Swamp Forest , 26 Aug.1992, coll. K. L. Yeo ( ZRC) ; 7 ex., Nee Soon Swamp Forest , 20 Sep.1993, y 843, coll. C. M. Yang ( ZRC) ; 6 ex., Nee Soon Swamp Forest , 15 May.1992, NS 4C, coll. C. M. Yang et al. ( ZRC) ; 2 ex., Nee Soon Swamp Forest , 17 Jun.1992, NS 22, coll. K. L. Yeo et al. ( ZRC) ; 1 ex., Nee Soon Swamp Forest , 26 Aug.1993, y 840, coll. K. L. Yeo ( ZRC) ; 1 ex., Lower Peirce Reservoire , 4 Jun.1992, NS 18/19, coll. C. M. Yang et al. ( ZRC) ; 3 ex., Seletar Reservoire West , 25 Jan.1992, y 780, coll. C. M. Yang & K. L. Yeo ( ZRC) . Sungai Buloh - 5 ex., Nature Reserve , 10 Jul.1992, y 804, K.K.P. Lim coll. ( ZRC) . Other areas - 1 ex., “22 flew/ Singapore, C.J. Saunders B.M. 1929-369 / Hydrovatus stridulus mihi j. Balfour-Browne det.“ ( BMNH) [4 ex., with same data as holotype in BMNH and MZH) ( Biström 1996)] ; 37 ex., Kent Ridge Park , Kent Ridge Pond, 6 Dec.1996, coll. L. Hendrich & C. M. Yang ( CBH, ZRC) .

Distribution. – Thailand,West Malaysia, Singapore ( Biström, 1996; Balke et al., 1999).

Ecology. – Hydrovatus stridulus inhabits shallow, muddy water of open or semi-shaded primary swamps. The habitat is rich in rotten leaves. Dense submerged vegetation and sedges are usually present. The species also occurs in brackish waters of coastal swamps (Sungai Buloh Nature Park).

Remarks. – Singapore is the type locality of this species.