Trioserica hartmanni is a species of beetle of the family Scarabaeidae.BioLib It is found in Vietnam.
Description Adults reach a length of about 8.2–9.4 mm. They have a yellow brown, oblong body, with inconspicuous dark spots. The antennae are yellow, while the frons and scutellum are dark brown. The dorsal surface is dull and partly iridescent. The surface is almost glabrous.
Etymology The species is named after its collector, M. Hartmann.
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