49.260 BF1165 – Mottled Oak Tortrix – Zeiraphera isertana – (Fabricius, 1794)
Adult Micro: CAT 2 – Can be confused with other species – Leaf-miner: CAT A – Recorded accepted without the leaf or a photo – Larval Case: C1 – Distinctive Species –
– click for General Verification Guidelines | – click for Specific Verification Guidelines
– click for General Verification Guidelines | – click for Specific Verification Guidelines 
– Rare / Uncommon / Scarce
– care required in the identification process, as confusion with similar species is likely – quality photographs required. Confusion Species: Z.griseana
ID pointers: A very variable species. A distinctive smoothly arched costa. Forewing is blackish or greyish-brown with whitish or greyish markings.
Distribution: (Last record: 31 July 2024 at Chaddesden, Derby ) – With so few records (18 since 2008) the species appears to be uncommon across the county where there is Oak.
General Comment: None *** Last updated on 7 November 2025 by RP ***
Last Recorded Year: 2024
Last Recorded By – Martin Roome
Last Recorded General Area – Chaddesden, Derby
Selected Images: Kings Newton, Derbyshire – Tony Davison© / Belper (2023) – Dave Evans©
Image Gallery
Temporal Distribution Chart
Adults: (between 2008 - 2025)
(click legend below to show/hide datasets)
This chart summarises all available historical occurrence records collated by ISO week of the year. It reflects recorder effort and sampling distribution as well as true biological activity, and should be interpreted as an indicative pattern of seasonal occurrence rather than a statistically controlled abundance or phenology model.
Distribution Map for Zeiraphera isertana
Found 32 records
↳ from 2026+
↳ 21 from 2020 - 2025
↳ 11 from Before 2020
↳ from 2026+
↳ 21 from 2020 - 2025
↳ 11 from Before 2020
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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 – Zeiraphera isertana
⚠️ 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.
Monthly Records By Year:
Zeiraphera isertana
( data includes both Larvae and Adult Stages )
Monthly Counts By Year:
Zeiraphera isertana
( data is based on 'Adult' stage records only )
First/Last Recorded Dates: Zeiraphera isertana
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: Zeiraphera isertana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Zeiraphera isertana
AGR: 0.56% | Total % Change: 10%
Hectad (10kmx10km) Coverage: Zeiraphera isertana
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Zeiraphera isertana
Zeiraphera isertana
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 - Zeiraphera isertana – 32 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Recorder | Source | RecordKey |
|---|---|---|---|---|---|---|---|
| Froggatt, Hope Valley | SK27N | 14/07/2025 | 1 | adult | Barnacle, Bryan | vc57_irecords_extract | iBRC43470696 |
| Norton Lees, Sheffield | SK38L | 13/07/2025 | 1 | adult | Mella, Pete | vc57_irecords_extract | iBRC43381025 |
| Derbyshire Wild Life Trust Long Clough, Herod Clough | SK09G | 11/07/2025 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980205 |
| Belper | SK34U | 10/07/2025 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC43292502 |
| Longdendale, Long Gutter Edge Woodland | SK09U | 08/07/2025 | 2 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980040 |
| Chaddesden Garden | SK33T | 29/06/2025 | 1 | adult | loverock, neil | vc57_irecords_extract | iBRC42828024 |
| Hathersage | SK28F | 27/06/2025 | 1 | adult | Kydd, Alan | vc57_irecords_extract | iBRC42979861 |
| Mickleover garden | SK33C | 27/06/2025 | 1 | adult | Maughan, Christine | vc57_irecords_extract | iBRC43892775 |
| Ladycroft Ave, Buxton | SK07S | 21/06/2025 | 1 | adult | Orridge, Steve | vc57_irecords_extract | iBRC42581835 |
| Chaddesden Garden | SK33T | 21/06/2025 | 1 | adult | loverock, neil | vc57_irecords_extract | iBRC42660931 |
| Chaddesden, Derby | SK33T | 31/07/2024 | 1 | adult | roome, martin | vc57_irecords_extract | iBRC38327906 |
| Birch Vale | SK08I | 26/07/2024 | 1 | adult | Hewitt, Jane | vc57_irecords_extract | iBRC39755348 |
| Mickleover garden | SK33C | 18/07/2024 | 1 | adult | Maughan, Christine | vc57_irecords_extract | iBRC37305646 |
| Woodland Ave | SK43R | 18/07/2024 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC40044898 |
| Waingroves Woods | SK44E | 04/08/2023 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33496950 |
| Belper | SK34U | 18/07/2023 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC35303968 |
| Woodland Ave | SK43R | 07/07/2023 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33496738 |
| Woodland Ave | SK43R | 07/09/2021 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33499550 |
| Woodland Ave | SK43R | 05/09/2021 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33499498 |
| Norton Lees | SK38L | 10/08/2021 | 1 | adult | Mella, Pete | vc57_irecords_extract | iBRC50548902 |
| Woodland Ave | SK43R | 31/05/2021 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33498203 |
| Havercroft Road | SK38L | 23/06/2019 | 7 | Adult | Tait, Malcolm | vc57_irecords_extract | iBRC36367723 |
| Waingroves Woods | SK44E | 05/08/2017 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33504070 |
| Waingroves Wood Moth and Bat Event | SK44E | 06/08/2016 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33505052 |
| Main Street, Kings Newton | SK32Y | 16/07/2016 | 1 | Adult | Soar, Will | vc57_irecords_extract | iBRC34060463 |
| Backgarden of Broadway, Ripley DELJ | SK45A | 02/08/2013 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33509314 |
| Backgarden Marehay | SK34Z | 12/08/2012 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33511523 |
| Bamford St,Ripley | SK34Z | 12/08/2012 | 1 | Adult | Thorpe, Steve | vc57_danes_bc_data | LC000334001CP8G2 |
| Carr Wood | SK45A | 11/08/2012 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33511449 |
| Backgarden Marehay | SK34Z | 31/08/2011 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33514010 |
| Glossop (Shire Hill Quarry) | SK09M | 22/07/2008 | 1 | Adult | Colin Plant | vc57_danes_bc_data | LC000334001COSKL |
| Main Street, Kings Newton | SK32Y | 15/07/2008 | 1 | Adult | Soar, Will | vc57_irecords_extract | iBRC34680877 |