Oidaematophorus nigrofuscus is a moth of the family Pterophoridae that is endemic to Venezuela. The type location is Páramo de Piedras blancas. The wingspan is . The forewings are dark brown and the markings are black‑brown at the costa and above the base of the cleft and in the first lobe. The hindwings are grey brown and the fringes are reddish grey brown. Adults are on wing in September. References Moths described in 1986 Pterophoridae of South America Endemic fauna of Venezuela Oidaematophorini Moths of South America Páramo fauna