Ovomanonychus striatus is a species of beetle of the family Scarabaeidae. It is found in Brazil (Minas Gerais, Paraná, Rio de Janeiro, São Paulo).
Adults reach a length of about 10.5âÂÂ12.1 mm. They have a shiny, reddish brown head. There are six longitudinal costae on the elytra.
The species name is derived from Latin striatus (meaning furrowed or striated) and refers to the ridges of the elytra.