Gynaecoserica lomsakensis is a species of beetle of the family Scarabaeidae.BioLib It is found in Thailand.

Description Adults reach a length of about 4.4 mm. They have an oval body. The surface is uniformly yellowish brown, with the abdomen blackish. The dorsal surface (except for the head) is dull and almost glabrous.

Etymology The species is named after the village of Lom Sak, close to the type locality.

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