Food Plant: Vicia (Vetch) spp..

Mine: Bivoltine: early summer & early autumn

Pupa: Outside the mine

Notes: The initial mine is linear, along the margin of the leaf and it then forms a blotch over the mid-rib (as shown). Frass is dispersed.

Data: 12.vi.2018, RSPB Conwy, Denbighshire, VC50

Image:© Andy Banthorpe