Compsoctena rudis is a moth in the family Eriocottidae. It was described by Edward Meyrick in 1921. It is found in Mozambique, South Africa and Zimbabwe.[1]
The wingspan is 17–18 mm. The forewings are light fuscous, thinly speckled with darker and with an obscure whitish dot on the end of the cell. The hindwings are grey.[2]