Trioserica phataem is a species of beetle of the family Scarabaeidae.BioLib It is found in Thailand and Laos.
Description Adults reach a length of about 6.7–7.6 mm. They have a yellowish brown, oblong body, with numerous small dark spots. The frons and humeri are dark brown and the antennae are yellow. The dorsal surface is dull and the surface is almost glabrous.
Etymology The species is named after its type locality, Pha Taem national park.
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