Pachyserica tayyentu is a species of beetle of the family Scarabaeidae.BioLib It is found in Vietnam.
Description Adults reach a length of about 7.5–7.7 mm. They have a dark brown, oval and strongly convex body. The dorsal surface has a greenish shine and the elytra have darker spots. The antennae are yellow. The ventral surface and legs are brown. The dorsal surface has an iridescent shine, with fine, partly patchily distributed or dense, short, white or yellowish setae.
Etymology The species is named after its type locality, the Tay Yen Tu Nature Reserve.
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