Gracillaria syringella
Wingspan 10-13 mm. This is another distinctive Caloptilia. Although quite variable, this is the best marked of the group.
Leafmine occurs on Privet, Ash, Jasmine and Lilac http://www.leafmines.co.uk/html/Lepidoptera/C.syringella.htm
Gardens and woodland.
The adults fly in May and again in July.
The larvae feed on Privet and Lilac and can be a pest in gardens. Often, many leaves on a single bush turn brown and curl up with the mines.
A common species throughout Britain. They and can be very common indeed where the mines are to be found.
Now seems to be fairly frequent in Leicestershire and Rutland.
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