49.031X – Zelotherses paleana/unitana
– Generally Common / Widespread
** This page is to record aggregated records only – see individual species pages for additional information
**
– care required in the identification process, as confusion with similar species is likely – quality photographs required. Confusion Species: Zelotherses paleana – Timothy Tortrix; Zelotherses unitana – Northern Grey Tortrix
Distribution: CAT 4 = Z.unitana – Status Cat Unknown for Z.unitana
General Comment: None *** Last updated on 2 October 2025 by RP ***
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 2024 - 2025) | Immatures: (between 2022 - 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 Zelotherses paleana/unitana
Found 13 records
↳ from 2026+
↳ 13 from 2020 - 2025
↳ from Before 2020
↳ from 2026+
↳ 13 from 2020 - 2025
↳ 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 - No LSID found for: Zelotherses paleana/unitana
This moth may be an aggregate and as such no specific records of distribution exist.
Monthly Records By Year:
Zelotherses paleana/unitana
( data includes both Larvae and Adult Stages )
Monthly Counts By Year:
Zelotherses paleana/unitana
( data is based on 'Adult' stage records only )
First/Last Recorded Dates: Zelotherses paleana/unitana
Adult-only & Anything [Larvae, Pupae, Adult, Mines]
Shading shows moth presence between dates
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Recordings By Year: Zelotherses paleana/unitana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Zelotherses paleana/unitana
AGR: -33.33% | Total % Change: -33.3%
Hectad (10kmx10km) Coverage: Zelotherses paleana/unitana
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Zelotherses paleana/unitana
Zelotherses paleana/unitana
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 - Zelotherses paleana/unitana – 13 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Recorder | Source | RecordKey |
|---|---|---|---|---|---|---|---|
| Gang Mine NR, Cromford. | SK25X | 11/06/2025 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC42267830 |
| Belper | SK34N | 11/06/2025 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC42267870 |
| DWT Wyver Lane | SK34P | 10/06/2025 | 1 | larva | Evans, Dave | vc57_irecords_extract | iBRC42186729 |
| Belper | SK34N | 03/06/2025 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC42055416 |
| Belper, Derbyshire | SK34N | 28/05/2025 | 1 | adult | Newcombe, Dave | vc57_irecords_extract | iBRC43925347 |
| Lower Cromford Garden | SK25Y | 24/07/2024 | 1 | adult | Ashton, Clive | vc57_irecords_extract | iBRC37334014 |
| Park Head, Crich. | SK35M | 14/07/2024 | 1 | adult | Bradley, Jonathan | vc57_irecords_extract | iBRC38106704 |
| Belper | SK34U | 23/06/2024 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC36622325 |
| DWT Wyver Lane | SK34P | 12/06/2024 | 2 | adult | Evans, Dave | vc57_irecords_extract | iBRC36407489 |
| DWT Wyver Lane | SK34P | 05/06/2024 | 2 | adult | Evans, Dave | vc57_irecords_extract | iBRC36287391 |
| DWT Wyver Lane | SK34P | 29/05/2024 | 2 | adult | Evans, Dave | vc57_irecords_extract | iBRC36168659 |
| DWT Wyver Lane | SK34P | 16/05/2023 | 1 | larva | Evans, Dave | vc57_irecords_extract | iBRC35314655 |
| Middleton by Wirksworth | SK25S | 22/06/2022 | 1 | larva | Dinsdale, Kay | vc57_irecords_extract | iBRC34330898 |