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73.332 (BF2122)

Purple Clay   

Diarsia brunnea
Adult: 2
Resident. Common.

Red List: Least Concern (LC). GB Status: Common.

Identification

Usually distinctive. Care required, potential confusion with Ingrailed Clay and female Barred Chestnut.

Recording Method.

Attracted to light, also comes to sugar and flowers.

Life cycle

One generation. Overwinters as a small larva. Larvae August to May. Pupates underground.

Larval foodplants

A variety of herbaceous plants in the autumn including Foxglove, in the spring also on woody plants including Heather, sallows, Bramble, Bilberry and birches.

Habitat

Broadleaved woodland and gardens.

History

Lennon (1863) had found it at Kirkconnell (VC73). Douglas Robinson (1870-71) found it to be not rare at sugar in July on Almorness (VC73). K. J. Morton of Edinburgh (1900) while on a visit in July 1899 to Wigtownshire had found this species in the Monreith area. Gordon (1913) stated it to be rather local, sometimes common. He also had found it at sugar in the woods at Corsemalzie, on rhododendron, and had found it plentiful in the larval state on alder when it was feeding by night in late April. Earliest date was 17th June 1899.

Archibald Russell (1944) listed it as occurring near Gatehouse of Fleet (VC73) during the years 1942-43. Sir Arthur Duncan (1909-84) during his lifetime had found it at Closeburn, Tynron and Castlehill, Dumfries (all VC72).

During 1974-92 all seven Rothamsted stations contributed 350 records, proving it to be a widespread moth. It was also recorded in the early 1980s on a regular basis on the Hensol Estate.

From 1992 to 2010 the regular trapped sites at Kirkton, Cally Woods, Carsfad at Dalry, Kirkcudbright, Mersehead RSPB and Durisdeer provided a good number of the 300 records that occurred, with the rest from mainly woodland sites or adjacent to.

1108 record(s) from 56 hectad(s) in D&G

VC74 VC73 VC72
Last recorded 2018 2022 2022

 UK Moths website - further information on species (with photos)

 East Scotland Butterfly Conservation website - national distribution maps and phenology

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