Leaf-mine: Narrow corridor, leading to a large blotch. The blotch has lower- and upper-surface parts, and is full depth where these overlap. Pupation external (Robbins, 1991a).

Larva: Details unknown.

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Puparium: Details unknown.

Comments: Chandler (1978) did not indicate whether his host record was British or Foreign and is therefore included under 'Hosts in Britain' and 'Hosts elsewhere'.

Hosts in Britain:

Hosts elsewhere:

Time of year - mines: July.

Time of year - adults: Appears to have at least two generations a year. Most abundant in May and October.

Distribution in Great Britain and Ireland: Widespread from Caithness in the north to Kent in the south-east. Inner Hebrides (Isle of Coll) (Bland, 1992); Anglesey, Cambridgeshire, Cardiganshire, East Sussex, Glamorgan, Monmouthshire, Pembrokeshire, South Aberdeen and Surrey (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).

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 (Bächli and Roche Pite, 1984) including Austria, Bosnia and Herzegovina, Croatia, Czech Republic, Denmark, Finland, French mainland, Germany, Hungary, Lithuania, Norwegian mainland, Poland, Romania, Russia - North and Northwest, Slovakia, Sweden and The Netherlands (Bächli, 2004 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.