The larvae of the fly Liriomyza taraxaci mine the leaves of Dandelion, Sow-thistle species and Autumn Hawkbit. They form small, irregular, elongated blotch mines with little frass  inside.

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

ref.: Warrington, B.P. (2023).  Liriomyza taraxaci. Accessed at https://agromyzidae.co.uk/species/agromyzidae/phytomyzinae/liriomyza/liriomyza-taraxaci/ on 13/12/2023)

Leafmine   Adult

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

Where the larval hostplants 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 may be found from May to November.

The larva leaves the mine to pupate.

In Britain this species is considered to be Nationally Scarce A.

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

Infrequently recorded in Leicestershire and Rutland.