Agromyza alnivora


The larvae of the fly Agromyza alnivora mine the leaves of various species of Alder creating an upper surface gallery, narrow at first but, widening considerably towards the end.

Identification difficulty

Adult Leafmine

ID guidance

Where Alder, the larval foodplant is present.

When to see it

Mines may be encountered when Alder is in leaf especially in summer and early autumn.

UK Status

Widespread but rather local in Britain.

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