Agromyza demeijerei larvae mine the leaves of Laburnum. The mine is an upper surface gallery along one margin towards the tip of the leaf, enlarging into a blotch on the other margin. Frass pale green when fresh, brownish later.
On Laburnum leaves.
Whenever Laburnum is in leaf.
Pupation takes place outside the mine.
It seems to be widespread in England, but lack of records makes true status difficult to determine.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015