Calometopus nigerrimus is a species of beetle of the family Scarabaeidae.Global Biodiversity Information Facility It is found in Kenya.

Description Adults reach a length of about . They are glossy and deep black, with the antennae pitch black and the labial palps yellowish-brown. There are small, short tufts of white setae on the lateral margins of segments 1-3 and on the posterior margin of the propygidium. There are also small, whitish setae on the abdomen and legs.

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