Wingspan 5 to 6 mm. The adults have plain dark forewings with a hint of purple, and an orange head.
Leafmine occurs on Hawthorn (and also on Apple and Pear).http://www.leafmines.co.uk/html/Lepidoptera/S.oxyacanthella.htm
In areas where the larval foodplants occur.
A single generation species with adults flying in June.
The larvae mine the leaves of Hawthorn, Apple and one or two other species. The mine is initially narrow with linear frass, but becomes wide with reddish frass in neat arcs. The larva is bright green and feeds in September and October.
It is common throughout much of the British Isles. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as common.
Occasional, though possibly under recorded in Leicestershire and Rutland..
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015