Leaf mine: A rather large, clear, partly full depth blotch that begins in the axil of a thick lateral vein. Often the ovipostion leaves a greyish-green scar. Generally several mines in a leaf. The mine expands within the confines of the midrib and two lateral veins; only close to the leaf margin, where the lateral veins are thin, the mine may trespass over a vein (Bladmineerders van Europa).

The mine is also illustrated in British leafminers.

Larva: The larvae have four spots - the anterior spots being large, which distinguishes it from P. thomsoni (British leafminers). The larva is also illustrated in Bladmineerders van Europa.

Pupa: Details unknown.

Adult: Details unknown.

Hosts in Britain:

Hosts elsewhere:

Time of year - larvae: Early Summer and early Autumn (British leafminers).

Time of year - adults: Unknown.

Comments: Full synonymy and references are listed in ECatSym - Electronic World Catalog of Symphyta.

Distribution in Great Britain & Ireland: Britain including Bedfordshire, Buckinghamshire, Denbighshire, Dorset, East Ross, East Sussex, Glamorgan, Merionethshire, North Wiltshire, Nottinghamshire, South Wiltshire, Surrey, West Lancaster and West Suffolk (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).

Also recorded in the Republic of Ireland (van Achterberg 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, Azores, Belgium, Bulgaria, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Latvia, Poland, Portuguese mainland, Romania, Russia - Central, Slovakia, Spanish mainland, Sweden, Switzerland, The Netherlands and Ukraine. Also recorded in the Nearctic region (van Achterberg 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.