Wingspan 15 to 17 mm. The depth of dark purplish brown forewing colouration and distinctness of the pale tornal and dorsal spots all seem to fade with wear.
Records for this species must be confirmed by genitalia examination.
Various habitats, but numbers of this species have been recorded near to waste dumps and areas with decaying matter.
Records have been noted in August but peak time is probably October.
The larvae of Omoscopa species tend to feed on decaying vegetation.
Very probably an imported species or accidental introduction, this nondescript species has occurred in recent years on Guernsey and more recently there have been a couple of wild-caught records in the north of England, with outbreaks reported elsewhere in Britain as well. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as an adventive colonist.
Rarely 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