Neoserica rufoplagiatoides is a species of beetle of the family Scarabaeidae. It is found in Laos.
Adults reach a length of about 4.4âÂÂ5 mm. They have an orange brown, oval body. The head, meso- and metasternum are dark brown, while the pronotum and elytra are yellowish brown. The pronotum has two dark spot beside the anterior margin and the elytra have a dark sutural interval and dark posterior lateral intervals. The legs and antennal club are yellowish brown. The dorsal surface is mostly dull and nearly glabrous.
The species name is derived from the species name rufoplagiata and the Greek suffix -oides (meaning similar) and refers to the external similarity to Maladera rufoplagiata.