Plant: Ballota nigra (Black Horehound), Lamium spp. (Dead-nettle),
Marrubium vulgare ( White Horehound), Stachys spp. (Woundwort)
and early autumn
frass is conspicuous in the mine and the mine is initially linear (as
shown), then develops into a white blotch, often enveloping this early
27.vii.2003, Fleet, Hants,VC12
M (1957) - Bestimmungstabellen der Blattminen von Europa.
J (1990) - A Provisional Atlas of The Leaf Miners of Warwickshire.
Spencer, K A (1976) - The Agromyzidae of Fennoscandia and Denmark.
Spencer, K.A (1972) - "Diptera: Agromyzidae" Handbooks for the Identification
of British Insects, Royal Entomological Society of London.