Wingspan 17 to 26 mm. One of the more distinctive Epiblema species, with its diagnostic angular whitish marking on a dark brown ground colour, although the shape and colour of this mark does vary.
The adults fly from late afternoon into the evening, and come to light at night.
The larvae feed on the roots and lower stem of Mugwort (Artemisia vulgaris).
Fairly common in the south and west of Britain, becoming rarer in the north and east. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.
Fairly frequent but not common in Leicestershire and Rutland. L&R Moth Group status = B (scarce resident or restricted distribution or regular migrant).
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015