Food Plant: Chaerophyllum spp.(Chervil), Anthriscus sylvestris (Cow Parsley), Conopodium majus (Pignut) and other umbellifers.

Mine: early Spring to late Summer and into late December

Pupa: Black, shiny. It may lightly stick to leaves when it exits the mine.

Notes: A narrow mine, follows leaf margin and forms secondary blotches (as shown). A common umbellifer miner.

Data: 30.x.2017, Downham Market, Norfolk, VC28

Image:© Rob Edmunds