Acleris ferrugana       Acleris notana
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49.083X  – Tawny Birch/Tawny Oak Tortrix agg  – Acleris ferrugana/notana
Blue –  Generally Common / Widespread   
Taxonomy:   Micro   >>  Tortricidae  >> Tortricinae
** This page is to record aggregated records only – see individual species pages for additional information. **
ID Difficulty:  Red – difficult to identify – detailed examination required, often a Gen Det and/or specimen and quality photographs are required.
Confusion Species: Acleris ferrugana Tawny Oak Tortrix; Acleris notana Tawny Birch Tortrix
ID pointers: A. ferrugana and A. notana can only be reliably separated by Gen Det examination. Undetermined specimens should be recorded as this aggregate.
Distribution:  Both these Acleris species are widespread across the recording area – For full details please see separate species pages
General Comment: None Flight Period: July /  September /  October –  The second generation over winters, reappearing in the following spring Moth Activity: Nocturnal   – and is attracted to light Photographed: No –  Photographed By: Not Recorded
*** Last updated on 2 October 2025 by RP ***
Wingspan: 14-19mm
 Food Plant: Birch and Oak
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:  


Image Gallery

No gallery images found for this moth.


Temporal Distribution Chart
Adults: (between 2003 - 2025)
(click legend below to show/hide datasets)

Distribution Map for Acleris ferrugana/notana

Found 41 records
    ↳ from 2026+
    ↳ 31 from 2020 - 2025
    ↳ 10 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 - No LSID found for: Acleris ferrugana/notana
This moth may be an aggregate and as such no specific records of distribution exist.


Monthly Records By Year: Acleris ferrugana/notana
( data includes both Larvae and Adult Stages )

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

First/Last Recorded Dates: Acleris ferrugana/notana
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 ferrugana/notana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Acleris ferrugana/notana
AGR: 1.02%   |   Total % Change: 25%

Hectad (10kmx10km) Coverage: Acleris ferrugana/notana
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Acleris ferrugana/notana

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 ferrugana/notana – 41 records available

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

Site NameTetradDateCountStageRecorderSourceRecordKey
Ladycroft Ave, BuxtonSK07S21/07/20251adultOrridge, Stevevc57_irecords_extractiBRC43720854
Darwin ForestSK26X06/07/20251adultEvans, Davevc57_irecords_extractiBRC43107579
Darwin ForestSK26X04/07/20251adultEvans, Davevc57_irecords_extractiBRC43064417
Derbyshire Wild Life Trust Long CloughSK09G20/06/20251adultHeintzen, Christianvc57_irecords_extractiBRC43979532
Midway, Derbys.SK32A19/06/20252adultWilliams, Michaelvc57_irecords_extractiBRC42543090
Staveley DerbyshireSK47H29/04/20251adultMorris, Sidvc57_irecords_extractiBRC41272911
Mickleover gardenSK33C29/03/20251adultMaughan, Christinevc57_irecords_extractiBRC40551501
Markham Vale DerbyshireSK47L20/03/20254adultMorris, Sidvc57_irecords_extractiBRC40475264
Midway, Derbys.SK32A20/03/20251adultWilliams, Michaelvc57_irecords_extractiBRC40484867
Ilkeston, DerbyshireSK44K07/03/20251adultHobby, Brianvc57_irecords_extractiBRC40568775
Derbyshire Wild Life Trust Long CloughSK09G05/03/20251adultHeintzen, Christianvc57_irecords_extractiBRC40353102
Ladycroft Ave, BuxtonSK07S21/02/20251adultOrridge, Stevevc57_irecords_extractiBRC40283351
Glossop, Shawmoor PlantationSK09G21/02/20251adultHeintzen, Christianvc57_irecords_extractiBRC40322237
Derbyshire Wildlife Trust Long Clough WoodandSK09G03/02/20251adultHeintzen, Christianvc57_irecords_extractiBRC40159331
Sandiacre GardenSK43T15/01/20251adultMilnes, Emilyvc57_irecords_extractiBRC39985236
Sandiacre GardenSK43T15/01/20251adultMilnes, Emilyvc57_irecords_extractiBRC40274813
High Leas Farm, RiberSK35D02/11/20242adultThorpe, Stevevc57_irecords_extractiBRC40045422
upper cromford gardenSK25Y04/08/20241adultAshton, Clivevc57_irecords_extractiBRC37688288
Clover Close, ElvastonSK43B29/07/20241adultBryce, Marionvc57_irecords_extractiBRC38104437
Drakelow, Derbys.SK22F22/07/20241adultWilliams, Michaelvc57_irecords_extractiBRC39954282
Melbourne, DerbyshireSK32X19/07/20241adultDavison, Tonyvc57_irecords_extractiBRC37199784
Markham Vale South TipSK47L19/02/20242adultMorris, Sidvc57_irecords_extractiBRC34938098
High Leas Farm, RiberSK35D16/02/20242adultThorpe, Stevevc57_irecords_extractiBRC34931261
Birch ValeSK08I15/02/20241adultHewitt, Janevc57_irecords_extractiBRC34933531
Ilkeston, DerbyshireSK44K15/02/20241adultHobby, Brianvc57_irecords_extractiBRC35614234
Markham Vale DerbyshireSK47L05/07/20231adultMorris, Sidvc57_irecords_extractiBRC31380608
Upper Cromford GardenSK25Y07/06/20231adultAshton, Clivevc57_irecords_extractiBRC34582343
Mickleover gardenSK33C21/02/20231adultMaughan, Christinevc57_irecords_extractiBRC35449388
Upper Cromford GardenSK25Y20/02/20231adultAshton, Clivevc57_irecords_extractiBRC34582342
Woodland AveSK43R06/07/20201adultThorpe, Stevevc57_irecords_extractiBRC33501391
Melbourne, DerbyshireSK32X23/06/20201adultDavison, Tonyvc57_irecords_extractiBRC33553410
Melbourne, DerbyshireSK32X17/09/20141adultDavison, Tonyvc57_irecords_extractiBRC33088053
Backgarden MarehaySK34Z28/08/20121adultThorpe, Stevevc57_irecords_extractiBRC33511822
Backgarden MarehaySK34Z14/08/20121adultThorpe, Stevevc57_irecords_extractiBRC33511526
FOREMARK RESERVOIRSK32H06/11/20043adultDavison, Tonyvc57_irecords_extractiBRC33442677
FOREMARK RESERVOIRSK32G29/03/20041adultDavison, Tonyvc57_irecords_extractiBRC33454959
FOREMARK RESERVOIRSK32G29/03/20041adultDavison, Tonyvc57_irecords_extractiBRC33454963
FOREMARK RESERVOIRSK32H15/03/20042adultDavison, Tonyvc57_irecords_extractiBRC33454929
FOREMARK RESERVOIRSK32G28/11/20031adultDavison, Tonyvc57_irecords_extractiBRC33454879
FOREMARK RESERVOIRSK32H18/11/20031adultDavison, Tonyvc57_irecords_extractiBRC33454869
FOREMARK RESERVOIRSK32H16/09/20031adultDavison, Tonyvc57_irecords_extractiBRC33454893

Acleris ferrugana       Acleris notana

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