Trioserica geiseri is a species of beetle of the family Scarabaeidae.BioLib It is found in Vietnam and Laos.
Description Adults reach a length of about 7.4–7.5 mm. They have a yellowish brown, oval body, with small, dark spots on the pronotum, scutellum, and elytra. The frons is dark brown with a greenish dull toment and the antennae are yellow. The dorsal surface is dull, partly with an iridescent green shine and the surface is almost glabrous.
Etymology The species is named after its collector, Michael Geiser.
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