Holotrichia marginicollis is a species of beetle of the family Scarabaeidae.Global Biodiversity Information Facility It is found in Vietnam.
Description Adults reach a length of about . The head is blackish and faintly glossy, while the pronotum is dark brown and strongly tomentose. The elytra are brown, slightly tomentose and dull. The underside is brown and moderately glossy and the pygidium is brown and dull.
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