Abacetus emeritus is a species of ground beetle in the subfamily Pterostichinae. It was described by L. Peringuey in 1899. A. emeritus is a small beetle shiny black in colour with reddish mouth feelers and pitchy black legs and antennae. A. emeritus is very rare with only one known published account of collection. Very little is known about its habitat, however it is found in the subtropical highlands of Zimbabwe.

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