Copelatus minutissimus Balfour-Browne, 1939

Hendrich, Lars & Balke, Michael, 2004, Aquatic Coleoptera Of Singapore: Species Richness, Ecology And Conservation #, Raffles Bulletin of Zoology 52 (1), pp. 97-145 : 118

Copelatus minutissimus Balfour-Browne, 1939

( Fig. 22 )

Copelatus minutissimus Balfour-Browne, 1939a: 79 ; Guéorguiev, 1968: 22; Vazirani, 1970: 315; 1977: 56; Balke, 1994: 32; Balke et al., 1999: 325; Nilsson, 2001: 70.

Material examined. – Type material: 1 male: “ Singapore ” ( BMNH) . Additional material: 2 specimens - Central catchment area - 1 ex., Nee Soon Swamp Forest , Range II Training Shed, Transect “E”, UV Light Trap, 22 May.1992, NS 10d, coll. H. K. Lua & K. Lim ( ZRC) ; 1 ex., Nee Soon Swamp Forest , 26 Aug.1993, y 840, coll. M. Balke, Murphy & C. M. Yang ( ZRC) .

Distribution. – India [Orissa] needs to be confirmed, Malaysia ( Vazirani, 1977), Indonesia: Kalimantan, Sumatra (Hendrich vid.), Thailand ( Balfour-Browne, 1939a), Vietnam (in coll. Balke & Hendrich) and Singapore ( Balke, 1994; Balke et al., 1999).

Ecology. – A forest species which occurs among leaf litter, roots and submerged plants of very small, temporary, shallow puddles in or near forested areas. This species is confined to the forests of the Central Catchment Area.

Figures

Figs. 18-23. 18.Hydaticus fabricii (MacLeay, 1825) (Fam. Dytiscidae, 10.5 mm); 19. Leiodytes nicobaricus (Redtenbacher, 1867) (Fam. Dytiscidae, 2.1 mm); 20. Hydrovatus rufoniger rufoniger (Clark, 1863) (Fam. Dytiscidae, 3.6 mm); 21. Laccophilus medialis Sharp, 1882 (Fam. Dytiscidae, 3.3 mm); 22. Copelatus minutissimus Balfour-Browne, 1939 (Fam. Dytiscidae, 4.1 mm); 23. Eretes griseus (Fabricius, 1781) (Fam. Dytiscidae, 13.5 mm).