Species Account

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Summary Data

Season (Adult / Immature):

National Status: Common

Local Status: Very common and fairly widespread resident.

Local Record: Grade 1   See here for explanation

Flight time: Jul-Sep.

Forewing: 8-10mm.

Foodplant: A variety of foodstuffs and decaying matter.

Regional breakdown:

Year first recorded19931985197019702001
Year last recorded20142014201420142014
Number of records18159361085905446
Number of individuals556521444419154253306
Unique positions66771057217
Unique locations71761066715
Adult records18079361072886444
Immature records00000

For the county, we have a total of 5187 records from 335 sites. First recorded in 1970.


41.001 Blastobasis adustella 05
© Terry Box, 12 Aug 2020
41.001 Blastobasis adustella 04
© Terry Box, 12 Aug 2020
41.001 Blastobasis adustella 03
© Dave Shenton
41.001 Blastobasis adustella 02
© Terry Box
41.001 Blastobasis adustella 01
© Alan Draper

Species Account

Syn.: Blastobasis lignea

Sutton & Beaumont, 1989: Not recorded prior to 1970 but now evidently well established in the Leeds and Harrogate districts.

Beaumont, 2002: This moth has extended its range rapidly since 1989 and is now widespread in Yorkshire although presently there is no record from vice-county 65.
VC61. Cottingham, July 1994, frequent (PAC); Spurn, 25.7.1996, 10.8.1996, 11.8.1997 det. HEB, frequent thereafter (BRS); Holme-on-Spalding Moor, common 24.7.2000 (EDC). NEW VICE-COUNTY RECORD.
VC63. Roche Abbey, several 29.7.1994, 1.8.1997; West Melton, 3.8.1995 and subsequently; Hooton Cliff, 16.8.1996 (HEB); Mirfield, 6.8.1997 det. HEB (GMT); West Ardsley, August 1997 det. HEB (JM); Wintersett Country Park, 30.8.1998 det. HEB (PSm, PM et al.); Elland, abundantly 17.7-3.10.2000 (PT); Rossington, commonly (RIH). NEW VICE-COUNTY RECORD.

Argus 47, 2001-04: This moth has continued to spread within the county and is now recorded widely and often very commonly throughout all five vice-counties.
VC65. Hutton Conyers, 21.7.2001 commonly since; Nosterfield NR, 28.7.2001; High Batts NR, 17.8.2002; Magdalen Wood, 6.8.2003 (CHF). NEW VICE-COUNTY RECORD.

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