The
wingspan is about 9–13 mm. The head is black-brown with sparse, mixed brown and beige hair-like scales on the head The forewings are golden bronze with light gold and copper to purple scales, forming a reticulate pattern distad There is, basally of the tornus, an indistinct golden spot. The moth flies in April. ;Similar species
Eriocrania cicatricella flies around birch trees (
Betula species) in April and can be distinguished from
E. chrysolepidella by the differences in
genitalia. ;Larva Larvae have a white body with a pale-brown head and may have a pair of brown spots on the pronotum. They
mine the leaves, starting at the edge of a leaf, then form a large white blotch and there are often several larvae in a mine. The
frass is described as either in long threads or can be granular and clumped together. Host species include; green alder (
Alnus viridis), hornbeam (
Carpinus betulus), hazel (
Corylus avellana) and hop-hornbeam (
Ostrya species). ;Pupa Larvae
pupate in the soil in a tough, silken cocoon. ==Distribution==