Gastroserica lucensGastroserica lucens is a species of beetle of the family Scarabaeidae. It is found in India.DescriptionAdults reach a length of about 5.7-6.4 mm. They have a strongly shiny, short, oval body. The ventral surface is dark brown and the dorsal surface is blackish and nearly glabrous. The legs are yellowish.EtymologyThe species name is derived from Latin lucens and refers to the shiny dorsal surface.