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