Leaf-spinner: The larva spins a light web on the surface of leaves of dwarf birch, feeding on the leaf surface (UKMoths).

Larva: Details unknown.

Pupa: Details unknown.

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

Hosts in Britain:

Hosts elsewhere: Unknown.

Time of year - larvae: Unknown.

Time of year - adults: Adults emerge in late May, coinciding with the leaf-flush of Betula nana. They can be seen flying low over the plant in the early evening (UKMoths).

Distribution in Great Britain and Ireland: A rare species, restricted in the British Isles to high altitude in the Scottish Highlands (UKMoths).

NBN Grid map:

Distribution elsewhere: Widespread in continental Europe including Estonia, Finland, Norwegian mainland, Poland, Russia - North and Northwest and Sweden (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: Unknown.