Food Plant: Iris spp. eg I.foetidissima (Stinking Iris), I. ochroleucha, I.spuria (Blue Iris).

Mine: early Autumn

Notes: Forms a blotch mine, which may be large when several mines coalesce. Mine is shown on Iris foetidissima

Synonym: Dizygomyza iridis

Pupa: In the mine

Data: 27.x.2007, Castle Ashby lakes, Northants, VC32

Image:© David Manning