Season (Adult / Immature):
National Status: Nationally Scarce B
Local Status: Rare and very local resident.
Local Record: Grade 3 See here for explanation
Flight time: Jun-Sep.
|Year first recorded||1891||1891|
|Year last recorded||2009||2009|
|Number of records||21||42|
|Number of individuals||18||36|
For the region, we have a total of 42 records from 22 sites. Earliest record on file is in 1891.
For further information refer UK Moths.
Davey, P., 2009: A very local and mainly coastal species in southern Britain, the larva feeding in the crown of the root of wormwood (Artemesia absinthium). In Dorset, the moth is confined mainly to Portland where wormwood, once frequent, has decreased alarmingly in the past twenty years. Wormwood also occurs extremely locally on Purbeck and the species has been discovered there too. Existing colonies of the moth are therefore threatened at the present time.
Portland, (C Dale), (D ffennell), Southwell, at MV light on 13 September 2003 (Dr J Clarke), Tout Quarry, a few larvae in wormwood on 22 April 1994, and many at MV light on 15 August 1995 (Dr P Sterling), The Grove, several pupae in wormwood on 7 June 1985, several larvae and pupae on 27 May 1991, Freshwater Bay, three larvae on 27 April 1990 (Dr J Langmaid), at MV light on 21 July 1991, and six larvae in roots of wormwood on 27 June 1993, and at MV light on 18 August 1996 (R Cook), on 27 July 2002, 19 July 2003, 21 June 2003 (J Chainey), Weymouth, at MV light on 21 July 1994, 29 July 2001 (Dr P Sterling).
Worth Matravers, adult bred from retained gnarled wormwood stem on 8 May 2005, emerged 7 June 2005 (P Davey).