Berosus fairmairei Zaitzev, 1908

Hendrich, Lars & Balke, Michael, 2004, Aquatic Coleoptera Of Singapore: Species Richness, Ecology And Conservation #, Raffles Bulletin of Zoology 52 (1), pp. 97-145 : 123

Berosus fairmairei Zaitzev, 1908

( Fig. 27 )

Berosus acutispina Fairmaire, 1889: 336 .

Berosus fairmairei Zaitzev, 1908: 355 ; Schödl, 1992: 146; Hansen, 1999: 76, and references therein.

Material examined. – 10 specimens - Sungai Buloh – 7 ex., muddy pool 2, 4 Dec.1990, coll. C. M. Yang & K. L. Yeo ( ZRC) ; 3 ex., 18 Nov.1990, coll. H. K. Lua ( ZRC) .

Distribution. – Widespread and common species. East Palearctic and Oriental realms ( Schödl, 1992; Hansen, 1999). Singapore!

Ecology. – A lentic species which occurs in shallow and exposed ponds, puddles and ditches rich in aquatic vegetation and plant debris.

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).