Berosus pulchellus

Family: Hydrophilidae
Subfamily: Hydrophilinae
Tribe: Berosini

Habitat: Wetland

General appearance: Moderate size species. Body ovate and outline is not interrupted between pronotum and elytra. Cranium fully and pronotum partially with metalic colour. Pronotum with double punctates and posterior angle is obtuse but well-deined. Elytra with 10 row sof punctated striae, Middle and hind tibia with long and conspicuous swimming hair. Fore tarsi of male is 4-segmented.

 

Reference:
Hansen, M. (1991). The hydrophiloid beetles: phylogeny, classification and a revision of the genera (Coleoptera, Hydrophiloidea) (Vol. 40). Kgl. Danske Videnskabernes Selskab.