Microserica quinquelamellata is a species of beetle of the family Scarabaeidae. It is found in Malaysia (Sabah).
Adults reach a length of about 5.5 mm. They have an ovate, convex and opaque body.. The head and pronotum are blackish-green, while the elytra are black. The underside of the body is blackish-brown. The antennae are reddish-yellow.