Holotrichia wiebesi 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 and pronotum are blackish-brown, while the elytra, pygidium and underside are brown. The elytra and the center of the underside are shiny, the lateral margins of the thorax and ventral segments tomentose and the last segment also entirely pruinose.
Etymology The species is dedicated to Dr. Wiebes, custos of the Leiden Museum.
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