Leaf-mine: A group of four to six leaves are completely mined out from the base on. The leaves have a hole near their base; these entrances may be connected by a silken tube. Between the leaves a loose spinning. All frass is ejected. Mines preferably occur when a tree has been weakened by weather conditions or insect pest damage (Bladmineerders van Europa).

Larva: Orange brown, straw coloured to brick red with light brown head; much darker during the winter rest. Pronotum darker, with lighter anterior border (Bladmineerders van Europa).

Pupa: Details unknown.

Adult: Not illustrated in UKMoths (check for update). The genitalia are not illustrated by the Lepidoptera Dissection Group (check for update).

Hosts in Britain:

Hosts elsewhere:

Time of year - larvae: September until end-May (Bladmineerders van Europa)

Time of year - adults: Unknown.

Distribution in Great Britain and Ireland: Britain (Karsholt and van Nieukerken in Fauna Europaea).

NBN Grid map: Note that not all datasets on the NBN Gateway may be available on the map below. If you are an NBN Gateway registered user you can request access for missing datasets via the link 'Open interactive map in new window' below.

Distribution elsewhere: Widespread in continental Europe including Austria, Czech Republic, French mainland, Germany, Hungary, Italian mainland and Slovakia (Karsholt and van Nieukerken in Fauna Europaea).

NBN interactive distribution map(s) of known host species in Great Britain and Ireland and elsewhere:

Parasitoids in Britain and elsewhere: