Diagnosis. Macroderes nitidus is very similar to M. minutus and M. politulus in body shape and punctuation of pronotum but males can easily be separated from them by the peculiar shape of internal sac sclerite. From the former species it also differs in larger average size. From the latter species it also differs in having impunctate lateral border of pronotum. Body size: males - length 8.2-11.5 mm, width
5.0-7.5 mm, females - length 8.5-12.0 mm, width 5.0-8.1 mm.

Macroderes nitidus, habitus

Distribution. The only exact locality known for this species is the Cederberg Range (Western Cape Province, South Africa).

Macroderes nitidus, locality map