Moronoserica songbae is a species of beetle of the family Scarabaeidae. It is found in Thailand.
Adults reach a length of about 6.1 mm. They have a brown, oval body. The elytra are yellow with numerous dark spots and the frons, pronotum and spots on the elytra have a greenish shine. The dorsal surface is dull and partly iridescent. The pronotum and elytra are partly moderately densely covered with white, robust, scale-like setae.
The species name is derived from the type locality, the Song Bae stream.