Gastroserica lucidomarginalis is a species of beetle of the family Scarabaeidae.BioLib It is found in Laos, Vietnam and China (Guangdong, Guangxi, Yunnan).
Description Adults reach a length of about 4.9–5.6 mm. They have a dark brown to blackish, oval body. The pronotum, center of the elytra and pygidium, legs and antennae are yellow, while the margins of the elytra and frons are dark. The dorsal surface is shiny and nearly glabrous.
Etymology The species name is derived from Latin lucidus (meaning shiny) and marginalis (meaning bordered) and refers to the shiny surface and the dark elytral margin.
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