Trioserica namphakTrioserica namphak is a species of beetle of the family Scarabaeidae. It is found in Laos.DescriptionAdults reach a length of about 7 mm. They have a short oval body. The dorsal surface is dark brown and the ventral surface is red brown. The labroclypeus and some spots on the elytra are a little lighter and the antennae are yellow. The dorsal surface is dull and partly weakly shiny. The surface is almost glabrous.EtymologyThe species is named after its occurrence near the Nam Phak river.