Leaf-mine: Mine indistinguishable from P. betae or P. hyoscyami (Bladmineerders van Europa).

Larva: Details unknown.

Puparia: Details unknown.

Comments: Pegomya exilis and Pegomya cunicularia were distinguished from Pegomya betae and Pegomya hyoscyami by Michelsen (1980). Material of both [the former species] had previously been assigned to those [two latter] species (Chandler, pers. comm.).

Hosts in Britain: Unknown.

Hosts elsewhere:

Time of year - mines: Unknown.

Time of year - adults: Unknown.

Distribution in Great Britain and Ireland: Pegomya exilis and Pegomya cunicularia were distinguished from Pegomya betae and Pegomya hyoscyami by Michelsen (1980). Material of both [the former species] had previously been assigned to those [two latter] species (Chandler, pers. comm.). It is not known whether any of this previously mis-identified material is British.

NBN Grid map:

Distribution elsewhere: Belgium, Czech Republic, Danish mainland, Finland, French mainland, Germany, Greek mainland, Italian mainland, Norwegian mainland, Spanish mainland, Sweden, Switzerland and East Palaearctic (Michelsen, in Fauna Europaea)

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