Food Plant: Alliaria petiolata (Garlic Mustard), Recorded Elsewhere: Brassica, Capsella, Cardamine, Erysimum (Wallflowers), Raphanus (Radish), Sinapis, Sisymbrium

Mine: Jun-Jul; Sept-Oct

Notes: Forms an inconspicuous mine just below the stem epidermis, which is initially greenish but then turns whitish as it ages (as shown, with larva at base of mine). Pupariation is in the stem and the puparium is greenish or black but becomes white when vacated.

Data: 30.ix.2025, Downham Market, Norfolk, VC28

Image:© Rob Edmunds