Tetraserica bansanpakiana is a species of beetle of the family Scarabaeidae. It is found in Thailand.
Adults reach a length of about 6.9âÂÂ8.5 mm. The colour may vary from dark brown to nearly entirely yellowish brown with a dark head. The surface of the labroclypeus and the disc of the frons are glabrous. The smooth area anterior to the eye is twice as wide as long.
The species is named after the type locality, Ban San Pakia.