Ectoedemia quinquella is a moth of the family Nepticulidae. It is found from Great Britain and France to Italy, Bulgaria and Greece.
The wingspan is 4.2-5.6 mm. Head dark fuscous. Antennal eyecaps whitish. Forewings dark bronzy-fuscous; a transverse spot on costa before middle, a triangular spot on dorsum before tornus, and a discal spot at 3/4 shining silvery white. Hindwings rather dark grey. Adults are on wing in the second half of June and early July. There is one generation per year.[1]
The larvae feed on Quercus petraea, Quercus pubescens and Quercus robur. They mine the leaves of their host plant.