Species Account

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Summary Data

Season (Adult / Immature):

National Status: Common

Local Status: Common and fairly widespread resident.

Local Record: Grade G   See here for explanation

Flight time: May-Sep.

Forewing: 6-10mm.

Foodplant: Various rushes including Juncus and Scirpus.

Regional breakdown:

Year first recorded19471986188318831883
Year last recorded20142014201420142014
Number of records2021077716692
Number of individuals321343238715285
Unique positions4150387837
Unique locations3744317630
Adult records2011077316191
Immature records00000

For the county, we have a total of 644 records from 218 sites. First recorded in 1883.


1111 Bactra lancealana 06
© Terry Box
1111 Bactra lancealana 05 gen. det.
© Andy Nunn
1111 Bactra lancealana 04
© Tony Moverley 19th Aug 18
1111 Bactra lancealana 03
© Derek Parkinson
1111 Bactra lancealana 02
© Terry Box
1111 Bactra lancealana 01
© Ian Marshall, 19 July 2009

Species Account

Similar species:Gen. det. required to exclude much rarer Bactra lacteana

Sutton & Beaumont, 1989: Widely distributed and usually very common to abundant among rushes throughout all five vice-counties.

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