Leaf-mine: A slender gallery, leading to blotch (British leafminers).

Egg on the underside of the leaf. The first part of the mine is a long, slender corridor, rather straight, often folllowing a vein or the leaf margin. The frass here is black, lying in a very narrow central line. The corridor abruptly widens into a large blotch, where the the frass lies irregularly scattered (Bladmineerders van Europa).

Larva: Pale greenish yellow. See Gustafsson and van Nieukerken (1990a) for an extensive description (Bladmineerders van Europa).

Larva is a pale watery greenish yellowish (whereas S. poterii its yellow) (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: July, September - November (British leafminers).

Time of year - adults: Unknown.

Distribution in Great Britain and Ireland: Britain including Bedfordshire, Easterness, Huntingdonshire, South Wiltshire 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 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, Belgium, Bulgaria, Croatia, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Latvia, Lithuania, Norwegian mainland, Poland, Romania, Russia - Central and North, Slovakia, Slovenia, Sweden, Switzerland, The Netherlands and Ukraine (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.