The larvae of this species mine the leaves of Burdock (Arctium) species. The leafmine is a long, narrow, linear mine which often follows a vein and can appear angular because of this. Many larvae may occur on a single leaf.

See the National Agromyzidae Recording Scheme webpage for this species for further details of puparium and adult insect.

Chromatomyia syngenesiae

ref.: Warrington, B.P. (2023).  Phytomyza lappae. Accessed at https://agromyzidae.co.uk/species/agromyzidae/phytomyzinae/phytomyza/ph… on 13/12/2023)

Leafmine Adult

Leafmine: Please add a back-lit image of the leafmine to show the frass and also add a note of the host plant.

Host plants: Lesser Burdock, Greater Burdock

Click on the 'further details' link in the 'Description' section above.  Then click on the Phenology tab which will provide phenology details for both adult and larval stages.

Leafmines are most likely to be found between May and November.

Widespread and fairly frequent in Britain.

Warrington, B. P. 2022. A provisional review of the status of Agromyzidae in Great Britain & Northern Ireland

Status in Leicestershire and Rutland not known.