Rectiostoma silvibasis is a moth in the family Depressariidae. It was described by W. Donald Duckworth in 1971.[1] It is found in Venezuela.
The wingspan is 11–13 mm. The forewings are blackish brown, the basal third white tinged faintly with yellow on the costal edge. There are a few blackish-brown scales on the extreme edge of the costa and anal angle. The apical two thirds of the forewing are suffused with bronze-to-violet iridescent scales. The hindwings are blackish brown with a white patch on the basal half of the anterior margin.[2]