Peritrichia nitidipennis is a species of beetle of the family Scarabaeidae. It is found in South Africa (Western Cape).
Adults reach a length of about . They are black, with the elytra reddish brown or flavescent. The head and pronotum are clothed with very long flavous or yellow hairs, mixed with occasional black ones, but with the latter less numerous. The scutellum is covered with very long yellow or flavescent hairs, mixed also with a fewer dark ones.