Tetraserica microspinosaTetraserica microspinosa is a species of beetle of the family Scarabaeidae. It is found in Vietnam.DescriptionAdults reach a length of about 7.5 mm. 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.EtymologyThe species name is derived from the combined Greek and Latin words micros and spinosus and refers to a small spine-like tooth on the left paramere.