Agromyza abiens/myosotidis agg.
The larvae of Agromyza abiens and Agromyza myosotidis produce identical mines on the leaves of their larval food plants which include Borage, Comfrey and Green Alkanet. The initial narrow gallery contains frass in a double line it then expands to form a blotch mine. Several larvae may occupy a leaf to form a large blotch. The mines cannot be reliably separated to species level and for this reason we have created this page which treats them as an aggregate. It is necessary to rear through the adult and subject it to detailed examination in order to identify it to species level. If this has not taken place you should add your records to this aggregate page.
Where the larval foodplants occur.
Mine: late Spring and late Summer.
Widespread and believed to be fairly frequent (but under recorded) in Britain.
Probably fairly frequent but under recorded in Leicestershire and Rutland.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015