Species Account

Select species and region:



Summary Data

Season (Adult / Immature):

National Status: Local

Local Status: Rare and very local resident.

Local Record: Grade 3   See here for explanation

Flight time: Jun-Aug.

Forewing: 10-12mm

Foodplant: Elm.

Regional breakdown:

Year first recorded200319992006
Year last recorded201420142009
Number of records3464
Number of individuals3554
Unique positions641
Unique locations641
Adult records3464
Immature records000

For the county, we have a total of 44 records from 11 sites. First recorded in 1999.


62.024 Pempelia formosa 02
© David Ashton, 6 Aug 2015
62.024 Pempelia formosa 01
© Dave Shenton

Species Account

Beaumont, 2002:
VC63. Rossington, 6.7.1999 (RIH). NEW COUNTY RECORD.

Argus 47, 2001-04:
VC61. Kilnsea, 14.7.2004 (BRS). NEW VICE-COUNTY RECORD.

Argus 52, 2006:
VC64. Tadcaster, 30.6 & 1.7.2006 (DBk). NEW VICE-COUNTY RECORD.

Current status (HEB, 2011): First found at Rossington (VC63) in 1999 with a further record in 2001. From 2003 has occurred more widely in vice-counties 61 and 63, at some sites being locally fairly frequent. Expanding its range with records from VC64 from 2006 onwards. Likely to be recorded more widely in the coming years.

See background to species accounts.  Index of Vernacular names - Search - Random Species