Leaf-mine: Initially a narrow brownish mine with blackish frass at its base, then moves to another leaf, forming a broader mine. Both mines can pucker the blade (British leafminers).

Larva: Details unknown.

Pupa: Attached to leaf or stem with silken girdle (British leafminers).

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

Hosts in Britain:

Hosts elsewhere: Unknown.

Time of year - larvae: October-April, July (British leafminers).

Time of year - adults: Unknown.

Distribution in Great Britain & Ireland: Britain including Bedfordshire, Cambridgeshire, Cheshire, Derbyshire, Glamorgan, Herefordshire, Hertfordshire, North Hampshire, Shropshire, South Wiltshire, Stafford, Surrey, West Gloucestershire, West Kent, Westmorland and Worcestershire (NBN Gateway - N.B. includes Watsonian Vice Counties having publicly available records that fall within or overlap the vice county border at 10km resolution or better i.e. a record for a vice county may relate to an adjacent vice county - for included datasets see NBN Grid map below). See also British leafminers distribution map.

Also recorded in the Republic of Ireland (Karsholt & van Nieukerken in Fauna Europaea).

NBN Grid map:

Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, Czech Republic, Danish mainland, Estonia, French mainland, Germany, Hungary, Italian mainland, Latvia, Norwegian mainland, Poland, Portuguese mainland, Romania, Russia - East, Slovakia, Spanish mainland, Sweden, Switzerland and Ukraine (Karsholt & van Nieukerken in Fauna Europaea).

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

Parasitoids in Britain and elsewhere: Unknown.