Compsoctena quassa is a moth in the family Eriocottidae. It was described by Edward Meyrick in 1921. It is found in South Africa, Zambia and Zimbabwe.[1]
The wingspan is about 31 mm. The forewings are grey, closely and suffusedly reticulated with dark fuscous irroration (sprinkles) and with a few grey-whitish scales, as well as obscure irregular spots of dark fuscous suffusion placed as a stigmata, the plical somewhat beyond the first discal. The hindwings are rather dark grey.[2]