Agromyza alnibetulae


Agromyza alnibetulae is a fly whose larvae produce a leaf mine in the leaves of Birch. The mine is an unusually long, upper-surface corridor that widens only little and winds freely through the leaf. Frass in two neat rows.

Identification difficulty

Adult Leafmine


On the leaves of Birch species

When to see it

When Birch is in leaf.

Life History

Pupation takes place outside of the mine.

UK Status

Widespread in Britain but not well recorded.

VC55 Status

Status in Leicestershire and Rutland not known.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map