The larvae of the fly Phytoliriomyza melampyga mine the leaves of Impatiens species (Balsams). The early narrow, linear mine later becomes a large irregular whitish blotch with conspicuous frass.

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

ref.: Warrington, B.P. (2023).  Phytoliriomyza melampyga. Accessed at https://agromyzidae.co.uk/species/agromyzidae/phytomyzinae/phytoliriomyza/phytoliriomyza-melampyga/ on 13/12/2023)

Leafmine   Adult

Leafmine: please provide a back-lit image of the leafmine and state host plant.

Where the host plants occur.

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 like to be found between June and October.

Widespread and fairly frequent in Britain.

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

Fairly frequent in Leicestershire and Rutland.