Erechthias dracaenura is a moth of the Tineidae family. It is endemic to São Tomé, an island off the western equatorial coast of Central Africa. The species was described by Edward Meyrick in 1934.
The length of the forewings is about 8 mm. The forewings have a whitish background colour, irrorated (speckled) with isolated brown scales and marked with 6–8 scattered, moderately large, darker brown to black spots.