Common throughout much of Britain and western Ireland. In Hampshire and on the Isle of Wight mines are fairly common in all three vice-counties, notably at Botley Wood and Royston Woods HWT reserve in the south and around Fleet in the north. Wingspan 5-7 mm. Adults difficult to distinguish from other
Stigmella species, and more frequently recorded in the larval stage, when mines are relatively easy to find where they are present. Larva mines leaves of Birch, over-wintering as a pupa. The mines are described in the following link:
leafmines.co.uk.