Regimbartia attenuata ( Fabricius, 1801 )

Hendrich, Lars & Balke, Michael, 2004, Aquatic Coleoptera Of Singapore: Species Richness, Ecology And Conservation #, Raffles Bulletin of Zoology 52 (1), pp. 97-145 : 124

Regimbartia attenuata ( Fabricius, 1801)

Hydrophilus attenuatus Fabricius, 1801: 253 .

Regimbartia attenuata (Fabricius) - Zaitzev, 1908: 362; d’Orchymont, 1913: 4; 1932: 709; 1941: 7; Knisch, 1924b: 276; Fernando, 1964: 87; Yano et al., 1983a: 21; Hansen, 1999: 97 and references therein.

Material examined. – 1 specimen – Other areas - 1 ex., Lorong Banir “K” stream, 10 Jun.1994, NS 157 E, coll. K.C. Queck et al. ( ZRC) .

Distribution. – India, Sri Lanka, Myanmar, Thailand, Cambodia, Vietnam, Peninsular Malaysia, Indonesia [Sumatra, Java, Sumbawa, Sunda], Philippines, Japan, Australia and New Guinea (d’Orchymont, 1913, 1932 & 1941; Hansen, 1999). Singapore!

Ecology. – A lentic species living in muddy water at the edge of more permanent water bodies such as ponds, pools, slow-flowing streams and ditches. The species was also collected in artificial habitats such as paddy fields ( Yano et al., 1983a). In general the habitat is rich in rotten leaves and wood.

Allocotocerus muelleri ( Kirsch, 1875)

Globaria mülleri Kirsch, 1875: 27 ; Knisch, 1924: 277; d’Orchmyont, 1939: 9.

Allocotocerus muelleri ( Kirsch, 1875) - Balke et al., 1999: 325; Hansen, 1999: 99, and references therein.

Material examined. – 16 specimens – Central catchment area – 1 ex., MacRitchie Reservoir , 21 Apr.1994, NS 124c, coll. C. M. Yang et al. ( ZRC) ; 4 ex., MacRitchie Reservoir , 24 Apr.1997, coll. M. Balke & L. Hendrich ( CBH, ZRC) ; 5 ex., Nee Soon Swamp Forest , 21 Apr.1997, coll. M. Balke & L. Hendrich ( CBH) . Other areas - 2 ex., Lorong Banir , pond 2, 16 Jun.1995, NS 191, coll. H. K. Lua et al. ( ZRC) ; 4 ex., Lorong Banir , pond 1, 29 Jun.1995, NS 193, coll. H. K. Lua et al. ( ZRC) .

Distribution. – Malaysia Peninsula, Indonesia [Sumatra] ( Kirsch, 1875; d’Orchymont, 1939; Hansen, 1999) and Singapore (Balke et al., 1999).

Ecology. – A lentic species living in shallow, muddy water at the edge of ponds, pools, puddles, slow-flowing streams and ditches. In general the habitat must be rich in rotten leaves and plant debris. It is sometimes found in small puddles fed by helocrenes or small streams.

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