Wingspan 4 to 5 mm. The adult moth has plain dark brown wings with a bronzy sheen and a yellowish or orange head.
Leafmine occurs on Rowan.http://www.leafmines.co.uk/html/Lepidoptera/S.nylandriella.htm
Woodland and areas where Rowan is present.
There is one generation with adults in May and June, and the larvae feeding from July to August.
The larva creates distinctive mines in the leaves of Rowan (Sorbus aucuparia), usually following the serrated edge of the leaf.
It has a wide but localised distribution throughout the British Isles, being commoner in the north, along with the foodplant. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as common.
It appears to be uncommon in Leicestershire and Rutland, where there are few records. L&R Moth Group status = D (rare or rarely recorded).
Leicestershire & Rutland Map
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