Species Account

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Summary Data

Season (Adult / Immature):

National Status: Common

Local Status: Common and fairly widespread resident.

Local Record: Grade 1   See here for explanation

Flight time: Two generations, Jun-Aug and Oct-Nov

Forewing: 9-11mm.

Foodplant: Wide variety of vegetation, stored products and leaf litter.

Regional breakdown:

Year first recorded19911985197919912001
Year last recorded20142014201420142014
Number of records1218615379248204
Number of individuals18681453718412341
Unique positions546880429
Unique locations576875398
Adult records1214615375244204
Immature records00100

For the county, we have a total of 2664 records from 247 sites. First recorded in 1979.


41.003 Blastobasis lacticolella 08 larva
© Andy Nunn
41.003 Blastobasis lacticolella 07 larval feeding signs
© Andy Nunn
41.003 Blastobasis lacticolella 06
© Andy Nunn
41.003 Blastobasis lacticolella 05 larva
© Derek Parkinson
41.003 Blastobasis lacticolella 04
© Damian Money
41.003 Blastobasis lacticolella 03
© Damian Money
41.003 Blastobasis lacticolella 02
© Charles Fletcher
41.003 Blastobasis lacticolella 01
© Terry Box, 5 Aug 2011

Species Account

Originally not a British species, this moth was accidentally introduced and appears to be established and expanding its range.

Sutton & Beaumont, 1989: A moth which has extended its range in Britain considerably in recent years, first recorded in Yorkshire in 1979.
VC63. Tinsley Park, 22.6.1979; Aldwarke, Rotherham, recorded in small numbers annually 1979 to 1986 det. HEB (JDB). [NEW COUNTY RECORD]

Beaumont, 2002: This species has also become much more frequent and widespread 1989 but there is as yet no record from vice-counties 64 or 65.
VC61. Cottingham, first recorded in 1991 det. HEB and then annually in increasing numbers (PAC). NEW VICE-COUNTY RECORD.

Argus 47, 2001-04: Like B. lignea this moth has also spread across the county and it is recorded widely in all five vice-counties but usually in small numbers.
VC64. Ripon Parks, 14.6.2002 (CHF, JCW, SPW); Sharow, 19.5.2002, since frequent (JCW); Cawood, 2003 det. HEB (JP); Ellington Banks , 9.7.2003 (CHF, JCW, SPW). NEW VICE-COUNTY RECORD.
VC65. Hutton Conyers, 23.6.2001, commonly since (CHF). NEW VICE-COUNTY RECORD.

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