Agromyza alnivora
Description
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.
ID guidance
Leafmine occurs on Alder. http://www.leafmines.co.uk/html/Diptera/A.alnivora.htm
Habitat
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.
Leicestershire & Rutland Map
Enter a town or village to see local records
MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015