Plectris nitidicollis is a species of beetle of the family Scarabaeidae. It is found in Brazil (Minas Gerais, Paraná, São Paulo).
Adults reach a length of about 9âÂÂ10 mm. They are reddish-brown, but the ventral segments and pygidium are yellowish-brown. The pronotum and head strongly glossy and the elytra moderately glossy. The pronotum is sparsely covered with whitish, medium-length, appressed setae. These are somewhat denser on the elytra. The thorax is yellowish.