Neoserica calvaNeoserica calva is a species of beetle of the family Scarabaeidae. It is found in China.DescriptionAdults reach a length of about 6.1 mm. They have a dark reddish brown, oblong body. The antennal club is yellowish brown and the dorsal surface is dull and nearly glabrous, while the labroclypeus and anterior two thirds of the frons are shiny.