Food Plant: Prunella (Self Heal), Stachys (Woundwort), Lamium (Dead-nettle), Glechoma (Ground Ivy), Galeopsis (Hemp-nettle), Ballota (Horehound), Teucrium (Germander/Wood Sage), Lamiastrum (Yellow Archangel), Ajuga (Bugle), Verbena officinalis (Vervain).
Mine:

Mine: Bivoltine: early summer & early autumn

Pupa: Outside the mine

Notes: An narrow gallery leading to a largish blotch on the upper surface. Frass is green and indistinct in the gallery - small grains may be seen at the gallery edge. Widespread and locally common in south: England, Wales, Scotland & Ireland. The mine shown is on Lamium (Dead-nettle).

Data: 12.viii.2020, Methwold Warren, Norfolk, VC28

Image:© Rob Edmunds