6 to 9.5 mm.
Sturdy insect; egg-like, elongate shape
Body about 2.5-fold more in length than in width, covered with thick bristles of various colours and lengths which give them a slightly mottled aspect clearly visible in fresh individuals whose bristles have not been rubbed off.
The pronotum is rather massive and is about 1/3 of the elytra in length.
The antennae are rather short, they have 11 segments; the last 3 are wider and form a club.
The prothorax is ornate with a yellowish-white, golden-white pubescence on its front part and on its sides, more developed on the sides. The same kind of pubescence is also found on the top of the head, with a small tuft of silvery hairs on the inner border of the eye.
The elytra are covered with fine, flat, black bristles irregularly mixed with yellowish-white hairs.
Males differ from females by the presence of a tuft of black-brown hairs located in the middle of their fourth abdominal sternite.
The dorsal face is very dark brown to black, legs and antennae are a lighter brown.
The ventral face of the abdomen is mostly ornate with a white or slightly pinkish-grey pubescence.
There are 2 black spots on the sides of each sternite ; in addition, the last sternite has a median blackish spot on its rear border, which does not extend to the front border of the sternite.