Tetraserica yaoanicaTetraserica yaoanica is a species of beetle of the family Scarabaeidae. It is found in China and Vietnam.DescriptionAdults reach a length of about 6.6–7.9 mm. The body is reddish brown. The labroclypeus surface has a few erect setae and the disc of the frons has a few single setae. The smooth area in front of the eye is approximately four times as wide as long.EtymologyThe species is named after its type locality, Yaoan.