Gynaecoserica nahangensisGynaecoserica nahangensis is a species of beetle of the family Scarabaeidae. It is found in Vietnam and China.DescriptionAdults reach a length of about 4–4.2 mm. They have an oval body. The surface is yellowish brown, the frons posteriorly a little darker. The dorsal surface is dull and almost glabrous.EtymologyThe species name refers to the type locality, Na Hang.