Ectoedemia coscoja van Nieukerken, A & Z Laštuvka, 2010
Egg at the upper side of the leaf. The mine is a sinuous or contorted, gradually widening gallery, often following a vein for some distance, filled with brown or black frass. Pupation external.
Fagaceae, narrowly monophagous
Probably univoltine: larvae were observed in January and February.
distribution within Europe
Whitish; no ventral plates.
A & Z Laštůvka (2014a), van Nieukerken, A & Z Laštuvka (2010a)