Food Plant: Impatiens spp. (Balsam) -particularly I.noli-tangere (Touch-me-not Balsam) and I.parviflora (Small Balsam), I. balfourii (Balfour's Balsam)
Mine: July-August
Pupa: Pupation external; puparium reddish-brown; posterior spiracles each with 3 spiracular pores
Notes: The larva forms a narrow linear mine in the first instar, later producing a large irregular whitish blotch with conspicuous black frass. The species is widespread in Europe, including Denmark,Finland, Norway and Sweden, and is also recorded from Canada and the U.S.A
Agromyzidae Recording Scheme Grade: 1
Data: 23.vii.2003
Image:© Robert Homan
sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists