Epinotia immundana - Steve Thorpe
49.240 BF1136  – Birch Tortrix  – Epinotia immundana  – (Fischer von Röslerstamm, 1839)
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  >> Olethreutinae
Other Name/s: Common Birch Bell
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  E. tetraquetrana
ID pointers: Distinctively marked with a diamond shaped patch on the dorsal area. Can be variable in colour, but distinctively marked blackish-brown along the inner margin.
Distribution:  Most probably a localised but fairly common species in the county.
General Comment: None
Flight Period: April /  May /  June /  August –  On the wing during April – June and August. Moth Activity: Nocturnal  Crepuscular   – active from dusk into the night Photographed: Yes –  Photographed By: Steve Thorpe, Dave Evans  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 12-14mm
Food Plant: Alder (Alnus glutinosa) 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:  Breaston, Derbyshire – Steve Thorpe© / Belper (2024) – Dave Evans©



Temporal Distribution Chart
Adults: (between 1995 - 2025)  |  Immatures: (between 2024 - 2024)
(click legend below to show/hide datasets)

Distribution Map for Epinotia immundana

Found 54 records
    ↳ from 2026+
    ↳ 48 from 2020 - 2025
    ↳ 6 from Before 2020
Flying
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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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 – Epinotia immundana

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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.

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Monthly Records By Year: Epinotia immundana
( data includes both Larvae and Adult Stages )

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

First/Last Recorded Dates: Epinotia immundana
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: Epinotia immundana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Epinotia immundana
AGR: 0.77%   |   Total % Change: 17.4%

Hectad (10kmx10km) Coverage: Epinotia immundana
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Epinotia immundana

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 - Epinotia immundana – 54 records available

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

Site NameTetradDateCountStageRecorderSourceRecordKey
Chellaston, Derby, DerbySK33V10/09/20251adultPittam, Richardvc57_irecords_extractiBRC45216716
Ladycroft Ave, BuxtonSK07S09/09/20251adultOrridge, Stevevc57_irecords_extractiBRC48224465
Ladycroft Ave, BuxtonSK07S06/09/20251adultOrridge, Stevevc57_irecords_extractiBRC48201468
Ladycroft Ave, BuxtonSK07S24/08/20251adultOrridge, Stevevc57_irecords_extractiBRC48243994
Norton Lees, SheffieldSK38L22/08/20251adultMella, Petevc57_irecords_extractiBRC44734125
Ladycroft Ave, BuxtonSK07S20/08/20251adultOrridge, Stevevc57_irecords_extractiBRC48189966
BelperSK34U13/08/20251adultEvans, Davevc57_irecords_extractiBRC44470883
Belper, DerbyshireSK34N13/08/20251adultNewcombe, Davevc57_irecords_extractiBRC44660434
Ladycroft Ave, BuxtonSK07S12/08/20251adultOrridge, Stevevc57_irecords_extractiBRC48187018
Norton Lees, SheffieldSK38L11/08/20251adultMella, Petevc57_irecords_extractiBRC44387174
BelperSK34N11/08/20251adultEvans, Davevc57_irecords_extractiBRC44395303
BelperSK34N25/06/20251adultEvans, Davevc57_irecords_extractiBRC42682030
Glossop, Gnat Hole Rough FieldsSK09L24/06/20251adultHeintzen, Christianvc57_irecords_extractiBRC43979636
Markham Vale DerbyshireSK47K11/05/20254adultMorris, Sid ( M.V. Trapping group )vc57_irecords_extractiBRC41542440
Havercroft RoadSK38L02/05/20251AdultTait, Malcolmvc57_irecords_extractiBRC41330972
BelperSK34U01/05/20251adultEvans, Davevc57_irecords_extractiBRC41332003
King's NewtonSK32Y01/05/20252adultSoar, Willvc57_irecords_extractiBRC41522961
PoolsbrookSK47G01/05/20251adultClarke, Julianvc57_irecords_extractiBRC48623466
Birch ValeSK08I30/04/20251adultHewitt, Janevc57_irecords_extractiBRC47544304
BelperSK34N29/04/20251adultEvans, Davevc57_irecords_extractiBRC41274821
BelperSK34N28/04/20251adultEvans, Davevc57_irecords_extractiBRC41247107
Upper PadleySK27P22/04/20251AdultMella, Petevc57_irecords_extractiBRC41114053
Belper, DerbyshireSK34N11/04/20251adultNewcombe, Davevc57_irecords_extractiBRC41997536
Peewit CarrSK44L22/12/20241larvaBryce, Marionvc57_irecords_extractiBRC39742206
King's NewtonSK32Y02/09/20241adultSoar, Willvc57_irecords_extractiBRC40386969
Allestree, DerbySK33P13/08/20241adultPlant, Stephenvc57_irecords_extractiBRC40215325
Derbyshire, UKSK15J11/08/20241AdultMoores, Stephenvc57_irecords_extractiBRC38761482
Allestree, DerbySK33P29/07/20241adultPlant, Stephenvc57_irecords_extractiBRC40188414
Glossop, The TwitchlingsSK09M17/05/20241adultHeintzen, Christianvc57_irecords_extractiBRC36371739
Midway, Derbys.SK32A17/05/20241adultWilliams, Michaelvc57_irecords_extractiBRC39954997
Derbyshire Wild Life Trust Long CloughSK09G15/05/20241adultHeintzen, Christianvc57_irecords_extractiBRC36371695
BelperSK34U12/05/20241adultEvans, Davevc57_irecords_extractiBRC35908582
Glossop, The TwitchlingsSK09K11/05/20243adultHeintzen, Christianvc57_irecords_extractiBRC36371629
BelperSK34N09/05/20242adultEvans, Davevc57_irecords_extractiBRC35830530
BelperSK34N07/05/20241adultEvans, Davevc57_irecords_extractiBRC35804639
BelperSK34N06/05/20241adultEvans, Davevc57_irecords_extractiBRC35804283
BelperSK34N02/05/20241adultEvans, Davevc57_irecords_extractiBRC35693595
Derbyshire Wild Life Trust Long CloughSK09G02/05/20244adultHeintzen, Christianvc57_irecords_extractiBRC36371569
Woodland AveSK43R11/08/20231adultThorpe, Stevevc57_irecords_extractiBRC34324981
BelperSK34N22/05/20231adultEvans, Davevc57_irecords_extractiBRC35301112
Derbyshire Wild Life Trust Long CloughSK09G08/05/20233adultHeintzen, Christianvc57_irecords_extractiBRC36335901
Ferneydale AvenueSK07Q13/06/20211adultWakefield, Rowanvc57_irecords_extractiBRC43076800
Hardwick Hall NTSK46S16/05/20211adultLowe, Stephenvc57_irecords_extractiBRC24716526
Woodland AveSK43R12/05/20211adultThorpe, Stevevc57_irecords_extractiBRC33498126
Woodland AveSK43R14/08/20201adultThorpe, Stevevc57_irecords_extractiBRC33502073
Main Street, Kings NewtonSK32Y14/07/20201AdultSoar, Willvc57_irecords_extractiBRC34060449
Birch ValeSK08I07/05/20201adultHewitt, Janevc57_irecords_extractiBRC35067160
Forbes Hole LNRSK43W05/05/20201AdultBryce, Marionvc57_irecords_extractiBRC13344223
Not givenSK21C03/07/20141AdultWilliams, Michaelvc57_irecords_extractiBRC1564790
Ladycroft Ave,BuxtonSK07S06/05/20111AdultOrridge, Stevevc57_danes_bc_dataLC000334001CP6UW
Midway, Derbys.SK32A05/09/20091adultWilliams, Michaelvc57_irecords_extractiBRC41991282
Midway Rd,Midway,SwadlincoteSK32A05/09/20091AdultM.J. Williamsvc57_danes_bc_dataLC000334001CP523
Main Street, Kings NewtonSK32Y21/05/20041AdultSoar, Willvc57_irecords_extractiBRC34677623
Acton Rd Ind Est, Long EatonSK43W19/07/19951AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001COS4D

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