Leaf-mine: The larvae feed on marsh pea, spinning two leaves together (UKMoths).

Larva: Details unknown.

Pupa: Details unknown.

Adult: The adult is illustrated in UKMoths. 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: The moth has two generations and is on the wing in May and June and subsequently late July to August (UKMoths).

Distribution in Great Britain and Ireland: Occurring in a few wetland localities in East Anglia including Norfolk (Horning Hall Marshes) (UKMoths); Cambridgeshire, Cheviotland, East Norfolk and West Suffolk
(NBN Gateway, includes Watsonian Vice Counties having records that fall within or overlap the vice county border at 10km resolution or better).

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, Belgium, Bosnia and Herzegovina, Czech Republic, Danish mainland, Finland, Germany, Hungary, Italian mainland, Latvia, Poland, Romania, Russia - Central, Slovakia, Sweden and The Netherlands (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.