Hyposerica opacaHyposerica opaca is a species of beetle of the family Scarabaeidae. It is found in Madagascar.DescriptionAdults reach a length of about 12 mm. They have an egg-shaped body. The upper and lower surfaces are dark reddish-brown. The entire upper surface is dull and strongly tomentose without any opalescent sheen. There are a few scattered erect hairs on the upper surface and the pronotum and elytral margin are sparsely fringed with light brown hairs. The antennae are yellowish-brown.