The larva of the fly Amauromyza morionella mines the leaves of various Stachys and Lamium species. The frass is conspicuous in the mine and the mine is initially linear, then develops into a white blotch, often enveloping the early mine. See the National Agromyzidae Recording Scheme for further details of larva,adult insect and host plants

See the National Agromyzidae Recording Scheme website for further details of the mine, puparium and adult insect

Agromyza flavipennis, Amauromyza labiatarum

(ref.: Warrington, B.P. (2023). Amauromyza morionella. Accessed at https://agromyzidae.co.uk/species/agromyzidae/phytomyzinae/amauromyza-2/amauromyza/amauromyza-morionella/ on 11/12/2023)

Leafmine Adult

Leafmine: Provide backlit photographs of the whole leaf-mine in the leaf,and the larva and note the host plant.

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.

In Britain this species is classed as Nationally Scarce B.

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

Status in Leicestershire and Rutland not known.