Trioserica rugosaTrioserica rugosa is a species of beetle of the family Scarabaeidae. It is found in Myanmar.DescriptionAdults reach a length of about 5.8 mm. They have a brown, oblong, body. The elytra are yellowish brown with small dark spots and the antennae are yellow. The dorsal surface has an iridescent greenish shine and the surface is almost glabrous.