Trioserica achterbergiTrioserica achterbergi is a species of beetle of the family Scarabaeidae. It is found in Vietnam.DescriptionAdults reach a length of about 6.6–7.1 mm. They have a reddish brown, oblong body. The pronotum, scutellum and elytra have numerous small to more widely extended, dark spots or stripes. The antennae are yellow. The dorsal surface has a green shine and the surface is almost glabrous.EtymologyThe species is named after one of its collectors, C.v. Achterberg.