Species account from Moths of Glamorgan
(Gilmore, Slade & Stewart, 2009):
Univoltine, flying in May and June on high rocky moorland. Currently only known from a single site in Glamorgan at Twynau Gwynion on the Glamorgan/Brecknockshire border where it was rediscovered in 1997. There are historical records supported by specimens from Merthyr Tydfil (1912-1923, GF) and three older records that refer to sites in lowland areas.
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| Site | Gridref | Quantity | Date | Recorder | More Info |
|---|---|---|---|---|---|
| Manor Mawr Penderyn | SN98151340 | 0 | 23 Aug 2004 | NR Lowe |
