Acleris rhombana       Acleris emargana/effractana
Acleris emargana - 17th July 2020 - Kings Newton - Will Soar
49.071 BF1062a  – Scalloped Tortrix  – Acleris emargana  – (Fabricius, 1775)
Adult Micro:  CAT 2 – Can be confused with other species –      
PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Blue –  Generally Common / Widespread   
Taxonomy:   Micro   >>  Tortricidae  >> Tortricinae
Other Name/s: Notch-wing Button
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Acleris effractana
ID pointers: Fairly distinctive with a scalloped forewing indentation and the apex extending to a point. Variable. One form shows an obvious red line on otherwise brown ground colour.
Distribution:  Widely distributed wherever there is Sallow (Salix). Recently split into Acleris emargana and Acleris effractana which is more of a northern species.
General Comment: None Flight Period: July /  August /  September –  On the wing during July – September. Moth Activity: Nocturnal  Crepuscular   – active from dusk into the night Photographed: Yes –  Photographed By: Will Soar, Christian Heintzen  © All Rights Reserved
*** Last updated on 7 November 2025 by RP ***
Wingspan: 18-22mm
 Food Plant: Sallow (Salix), Poplar (Populus) and Birch (Betula).
Specific Recorded History Dates for Common [Blue code Blue-coded] moths is not displayed/updated in this tab. However, all verified records for this moth are listed in the RECORDS tab below.
Selected Images:  Kings Newton, Derbyshire – Will Soar© / Torside Reservoir & Ludworth Moor – Christian Heintzen©

Acleris emargana - 17th July 2020 - Kings Newton - Will Soar
Acleris emargana – 17th July 2020 – Kings Newton – Will Soar
Acleris emargana - 24th August 2024 - Ludworth Moor - Christian Heintzen
Acleris emargana – 24th August 2024 – Ludworth Moor – Christian Heintzen
Acleris emargana - 3rd August 2024/ - Torside Reservoir - Christian Heintzen
Acleris emargana – 3rd August 2024/ – Torside Reservoir – Christian Heintzen
Acleris emargana - 3rd August 2024/ - Torside Reservoir - Christian Heintzen
Acleris emargana – 3rd August 2024/ – Torside Reservoir – Christian Heintzen
Acleris emargana - 17th July 2020 - Kings Newton - Will Soar
Acleris emargana - 24th August 2024 - Ludworth Moor - Christian Heintzen
Acleris emargana - 3rd August 2024/ - Torside Reservoir - Christian Heintzen
Acleris emargana - 3rd August 2024/ - Torside Reservoir - Christian Heintzen


Image Gallery

Acleris emargana - 3rd August 2024/ - Torside Reservoir - Christian Heintzen Acleris emargana - 3rd August 2024/ - Torside Reservoir - Christian Heintzen Acleris emargana - 24th August 2024 - Ludworth Moor - Christian Heintzen

Temporal Distribution Chart
Adults: (between 1981 - 2025)  |  Immatures: (between 2025 - 2025)
(click legend below to show/hide datasets)

Distribution Map for Acleris emargana

Found 103 records
    ↳ from 2026+
    ↳ 50 from 2020 - 2025
    ↳ 53 from Before 2020
Flying
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

If the Map Layers function fails, just refresh the page and it should be OK after. Use the +- zoom on the top left, or on a tablet, use two fingers to zoom. Remember, the last layer you ticked is the one which displays the popup information - they sit on top of each other - de-select then re-select, to see the popup values.

Bedrock Geology ** indirectly affects moth distribution by influencing the type of habitat and food plants available in an area. In turn, this may affect the types of moths that can thrive, or where they can most likely be found.


NBN Atlas UK Distribution for – Acleris emargana

⚠️ Please wait for the map to load fully – do not click the link shown.


Note – the NBN Atlas datasets are listed in the map below and vary in their currency (uptodateness) – however, the map does give a general indication of the moth's distribution across the UK.

Visit NBN Site


Monthly Records By Year: Acleris emargana
( data includes both Larvae and Adult Stages )

Monthly Counts By Year: Acleris emargana
( data is based on 'Adult' stage records only )

First/Last Recorded Dates: Acleris emargana
Adult-only & Anything [Larvae, Pupae, Adult, Mines]

Shading shows moth presence between dates

Click the colour discs below to Select/De-select as Required

Recordings By Year: Acleris emargana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Acleris emargana
AGR: 1.02%   |   Total % Change: 25%

Hectad (10kmx10km) Coverage: Acleris emargana
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Acleris emargana

Flight Period chart – the grey hatched area above, which can cross one or more months, pictorially represents the best guess we have for this moth's flight periods [month/s]. The coloured lines represent the actual months seen in flight, from site observation records received between 2020-2026.

Records Behind the Map and Charts - Acleris emargana – 103 records available

Listed by Year - descending - scroll across to see all table columns

Site NameTetradDateCountStageRecorderSourceRecordKey
Staveley garden SYASK47H21/10/20251adultRadford, Markvc57_irecords_extractiBRC46031624
High Leas FarmSK35D18/10/20251adultThorpe, Stevevc57_irecords_extractiBRC48402263
Ladycroft Ave, BuxtonSK07S17/10/20251adultOrridge, Stevevc57_irecords_extractiBRC48225139
Darwin ForestSK26X06/10/20251adultEvans, Davevc57_irecords_extractiBRC45836211
Staveley garden SYASK47H30/09/20252adultRadford, Markvc57_irecords_extractiBRC45731599
Ladycroft Ave, BuxtonSK07S30/09/20251adultOrridge, Stevevc57_irecords_extractiBRC48224963
BelperSK34U18/09/20251pupaEvans, Davevc57_irecords_extractiBRC45469401
Ladycroft Ave, BuxtonSK07S16/09/20251not recordedOrridge, Stevevc57_irecords_extractiBRC48224779
Norton Lees, SheffieldSK38L12/09/20251adultMella, Petevc57_irecords_extractiBRC45437530
Longdendale, Wildboar Clough WoodlandSK09U02/09/20251adultHeintzen, Christianvc57_irecords_extractiBRC48787608
Shaw Farm, New Mills VCSJ98Y31/08/20251adultHind, Stevevc57_irecords_extractiBRC44983934
Forbes Hole LNRSK43W25/08/20251adultBryce, Marionvc57_irecords_extractiBRC44920479
Stoney Clouds, meadowSK43T23/08/20251adultBryce, Marionvc57_irecords_extractiBRC44732186
Staveley DerbyshireSK47H17/08/20251adultMorris, Sidvc57_irecords_extractiBRC44648361
Platt Street Bottom, Padfield, Glossop SKEB, UKSK09I13/08/20251AdultAlex Leesvc57_irecords_extractiBRC44425338
Chisworth, Ludworth MoorSJ99V12/08/20253adultHeintzen, Christianvc57_irecords_extractiBRC48740449
Jim Mart Nature ReserveSK36S11/08/20251adultMahadevan, Nikkivc57_irecords_extractiBRC44470892
Derbyshire Wild Life Trust Long CloughSK09G08/08/20252adultHeintzen, Christianvc57_irecords_extractiBRC48729367
Miller's Dale, woodland near stationSK17G06/09/20244adultSteven Bellvc57_irecords_extractiBRC40548962
Ladycroft Ave, BuxtonSK07S03/09/20241adultOrridge, Stevevc57_irecords_extractiBRC38801782
Ludworth MoorSJ99V24/08/20241adultHeintzen, Christianvc57_irecords_extractiBRC38473388
Spring LakesSK53A15/08/20241adultNeil Gregoryvc57_irecords_extractiBRC37908673
Torside Reservoir northeast endSK09U03/08/20242adultHeintzen, Christianvc57_irecords_extractiBRC38472764
Staveley DerbyshireSK47H29/09/20232adultMorris, Sidvc57_irecords_extractiBRC33236331
Markham Vale , Seymour , DerbyshireSK47L25/09/20231adultMorris, Sidvc57_irecords_extractiBRC33186237
Ladycroft AveSK07S20/09/20231adultOrridge, Stevevc57_irecords_extractiBRC35076746
Ladycroft AveSK07S13/09/20231adultOrridge, Stevevc57_irecords_extractiBRC35076345
Buxton SK, UKSK07S02/09/20231AdultOrridge, Stevevc57_irecords_extractiBRC33310513
Markham Vale , Seymour , DerbyshireSK47L30/08/20231adultMorris, Sidvc57_irecords_extractiBRC32741300
Ladycroft AveSK07S24/08/20231adultOrridge, Stevevc57_irecords_extractiBRC35076993
Buxton SK, UKSK07S14/08/20231AdultOrridge, Stevevc57_irecords_extractiBRC32408967
Ladycroft Ave, BuxtonSK07S13/08/20231adultOrridge, Stevevc57_irecords_extractiBRC35076303
Markham Vale DerbyshireSK47L10/08/20231adultMorris, Sidvc57_irecords_extractiBRC32410410
Derbyshire Wild Life Trust Long CloughSK09G21/09/20221adultHeintzen, Christianvc57_irecords_extractiBRC36335386
Derbyshire Wild Life Trust Long CloughSK09G14/09/20221adultHeintzen, Christianvc57_irecords_extractiBRC36335353
Derbyshire Wild Life Trust Long CloughSK09G08/09/20221adultHeintzen, Christianvc57_irecords_extractiBRC36335336
Ladycroft Ave, BuxtonSK07S05/09/20221adultOrridge, Stevevc57_irecords_extractiBRC35090955
Buxton SK, UKSK07S04/09/20221AdultOrridge, Stevevc57_irecords_extractiBRC28806143
Buxton SK, UKSK07S03/09/20221AdultOrridge, Stevevc57_irecords_extractiBRC28806335
Ladycroft Ave, BuxtonSK07S02/09/20223adultOrridge, Stevevc57_irecords_extractiBRC35090888
Ladycroft Ave, BuxtonSK07S31/08/20222adultOrridge, Stevevc57_irecords_extractiBRC35090865
Buxton SK, UKSK07S29/08/20221AdultOrridge, Stevevc57_irecords_extractiBRC28805725
Ladycroft Ave, BuxtonSK07S28/08/20221adultOrridge, Stevevc57_irecords_extractiBRC35090817
Buxton SK, UKSK07S22/08/20221AdultOrridge, Stevevc57_irecords_extractiBRC28806394
Ladycroft Ave, BuxtonSK07S21/08/20221adultOrridge, Stevevc57_irecords_extractiBRC35090706
Catcliffe Wood, Bakewell, Derbyshire, England, GBSK26D14/08/20221Adultrhodriatpeakvc57_irecords_extractiBRC28049941
Wood Lane, Newhall, SwadlincoteSK22V08/10/20211adultBUDWORTH, Mr D.Danes_2019-202110
Ladycroft Ave, BuxtonSK07S03/09/20211adultOrridge, Stevevc57_irecords_extractiBRC35093669
Findern, Derbyshire, DEAZSK33A02/08/20211adultBrian and Jean Hallamvc57_irecords_extractiBRC35165559
Waterswallows QuarrySK07X12/08/20201AdultMarriott, Antvc57_irecords_extractiBRC17546459
Norton LeesSK38L07/10/20191adultMELLA, Mr P.J.Danes_2019-2021897
Ladycroft Ave, BuxtonSK07S30/08/20191adultOrridge, Stevevc57_irecords_extractiBRC35097561
Ladycroft Ave, BuxtonSK07S26/08/20191adultOrridge, Stevevc57_irecords_extractiBRC35097532
Main Street, Kings NewtonSK32Y04/09/20182AdultSoar, Willvc57_irecords_extractiBRC34060297
LightwoodSK07M21/08/20181adultOrridge, Stevevc57_irecords_extractiBRC49168370
Main Street, Kings NewtonSK32Y08/09/20161AdultSoar, Willvc57_irecords_extractiBRC34060296
Backgarden MarehaySK34Z30/08/20161adultThorpe, Stevevc57_irecords_extractiBRC33505195
Ladycroft AveSK07S26/08/20161adultOrridge, Stevevc57_irecords_extractiBRC41052108
Ladycroft AveSK07S24/08/20161adultOrridge, Stevevc57_irecords_extractiBRC41052079
LightwoodSK07M06/10/20151adultOrridge, Stevevc57_irecords_extractiBRC48845857
Holly Wood NR, Edlaston, AshbourneSK14R18/10/20141AdultBUDWORTH, Mr D., CLARKE, Mr D.A., PATRICK, Mr P., vc57_danes_bc_dataLC000334001CP9MT
Ladycroft AveSK07S01/09/20142adultOrridge, Stevevc57_irecords_extractiBRC41013529
Ladycroft AveSK07S24/08/20141adultOrridge, Stevevc57_irecords_extractiBRC41013491
Ladycroft AveSK07S06/10/20131adultOrridge, Stevevc57_irecords_extractiBRC40991809
Ladycroft AveSK07S24/09/20131adultOrridge, Stevevc57_irecords_extractiBRC40991737
School Close,Parkway Gardens,Darley DaleSK26R23/09/20131AdultA. Butlervc57_danes_bc_dataLC000334001COV07
Ladycroft AveSK07S13/09/20131adultOrridge, Stevevc57_irecords_extractiBRC40991698
Buxton SK, UKSK07S05/09/20131AdultOrridge, Stevevc57_irecords_extractiBRC25497367
Ladycroft AveSK07S03/09/20131adultOrridge, Stevevc57_irecords_extractiBRC40991618
Backgarden MarehaySK34Z03/09/20121adultThorpe, Stevevc57_irecords_extractiBRC33511891
Bamford St,RipleySK34Z03/09/20121AdultThorpe, Stevevc57_danes_bc_dataLC000334001CP8OO
Dean Hollow (scrub), nr CromfordSK25Y01/09/20121AdultK.R. Hustonvc57_danes_bc_dataLC000334001CP8NU
School Close,Parkway Gardens,Darley DaleSK26R22/09/20111AdultA. Butlervc57_danes_bc_dataLC000334001CP7N2
Harthill Reservoir CopseSK47Z07/09/20111AdultDerek Whiteleyvc57_irecords_extractiBRC5711391
Backgarden MarehaySK34Z31/08/20111adultThorpe, Stevevc57_irecords_extractiBRC33513980
Bamford St,RipleySK34Z31/08/20111AdultThorpe, Stevevc57_danes_bc_dataLC000334001COXZ7
Ladycroft Ave,BuxtonSK07S21/09/20101AdultOrridge, Stevevc57_danes_bc_dataLC000334001CP6NU
The Hollies,Station Rd,Darley DaleSK26R09/09/20101AdultRoddis, Simonvc57_danes_bc_dataLC000334001COTPC
The Hollies,Station Rd,Darley DaleSK26R02/09/20101AdultRoddis, Simonvc57_danes_bc_dataLC000334001COTOJ
Newboundmill Lane,PleasleySK56C31/08/20101AdultB. Elliott;C. Stubbsvc57_danes_bc_dataLC000334001COTO2
Carvers Rocks, Hartshorne, SwadlincoteSK32G19/09/20092AdultM.J. Williamsvc57_danes_bc_dataLC000334001COSY9
Glossop (Shire Hill Quarry)SK09M01/09/200812AdultColin Plantvc57_danes_bc_dataLC000334001COWNN
Ault Hucknall,GlapwellSK46S30/08/20081AdultM.E. Bradleyvc57_danes_bc_dataLC000334001COWNF
Pleasley Pit NR (Pit Buildings)SK46X25/08/20071AdultB.L. Stathamvc57_danes_bc_dataLC000334001COSFP
FOREMARK RESERVOIRSK32H23/09/20061adultDavison, Tonyvc57_irecords_extractiBRC33455060
Foremark Resr, TicknallSK32H23/09/20061AdultDAVISON, Mr A., TOPLISS, Mr N., SOAR, Mr W., PEACHvc57_danes_bc_dataLC000334001COW98
Robin's Cross (Woodland Trust site)SK32C15/09/20061AdultSoar, Willvc57_irecords_extractiBRC34675503
Robin's Cross (Woodland Trust site), ReptonSK32C15/09/20061AdultBUDWORTH, Mr D., WILLIAMS, Mr M.J., WILLIAMS, Mrs vc57_danes_bc_dataLC000334001COS0V
Carvers Rocks, Hartshorne, SwadlincoteSK32G03/09/20061AdultDave Budworthvc57_danes_bc_dataLC000334001COW7O
Hammersmith Meadows NR, RipleySK35V01/09/20061AdultSoar, Willvc57_irecords_extractiBRC34675502
Hammersmith Meadows NR,RipleySK35V01/09/20061AdultDave Budworth;N.J. Ward;W. Soarvc57_danes_bc_dataLC000334001CP3KC
Rosliston (National Forest Centre), SwadlincoteSK21N04/08/20061AdultBUDWORTH, Mr D., WARD, Mr N.J., HIGGINSON, Mr P., vc57_danes_bc_dataLC000334001CORWT
Wood Lane,Newhall,SwadlincoteSK22V04/08/20061AdultDave Budworthvc57_danes_bc_dataLC000334001COZSJ
Bretby Park (The Gorse), SwadlincoteSK22W14/10/20051AdultDave Budworth;N. Toplissvc57_danes_bc_dataLC000334001COROA
Pleasley Park (centre clearing)SK56H04/10/20051AdultBUDWORTH, Mr D., STUBBS, Mr M.J., STUBBS, Mrs C., vc57_danes_bc_dataLC000334001CORNW
Leash Fen area, Clod Hill Moor, BaslowSK27W28/08/20051AdultDave Budworth;N.J. Wardvc57_danes_bc_dataLC000334001COVX8
FOREMARK RESERVOIRSK32H03/09/20041adultDavison, Tonyvc57_irecords_extractiBRC33442701
Foremark Resr, TicknallSK32H03/09/20041AdultA. Davison;N. Topliss;W. Soarvc57_danes_bc_dataLC000334001CP2F8
Toyota Site, BurnastonSK23V28/07/20043AdultSoar, Willvc57_irecords_extractiBRC34675501
Burnaston (Toyota Plant NR), DerbySK23V28/07/20041AdultA. Davison;P. Precey;W. Soarvc57_danes_bc_dataLC000334001COZ6P
Dimminsdale NR, Calke, TicknallSK32Q19/09/20031AdultDave Budworth;A. Davison;N. Toplissvc57_danes_bc_dataLC000334001CP1MW
Woodlands, Combs, Chapel en le FrithSK07P03/08/19901AdultS.G. Pricevc57_danes_bc_dataLC000334001COV78
Mapperley NR, Mapperley, IlkestonSK44G01/08/19811AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001COZ15

Acleris rhombana       Acleris emargana/effractana

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