– click for Adult Macro Verification Guidelines
– Generally Common / Widespread
– easy to identify, generally distinctive and unlikely to be confused with other species.ID pointers: This is the only Thorn that holds its wings upright over the back and pressed together like a butterfly. The patterning on the wings is an intricate array of purple and red, brown and mauve. There is a small white “comma” shaped dash on the under hind-wing.
Distribution: Common and widely spread throughout Derbyshire. More so in the south and east and is the most common species of Thorn to be found in the county.
*** Last updated on 6 May 2025 by RP ***
Forewing: 14-23mm
Blue-coded] moths are not stored on the website at this current time. IMAGES BELOW: Melbourne, Derbyshire – Images by Tony Davison © / Kings Newton – Tony Davison ©
Early Thorn - 8th April 2025 - Melbourne - Tony Davison
Early Thorn - 8th April 2025 - Melbourne - Tony Davison
Early Thorn - 8th April 2025 - Melbourne - Tony Davison
Early Thorn - 28th July 2017 - Melbourne - Tony Davison©
Early Thorn - Melbourne - Tony Davison©
Distribution Map for Selenia dentaria
derbyshiremoths.org © makes no guarantee of accuracy of data used in these maps and charts – they are presented to you with best endeavours and the data behind them updated periodically as time permits. Historic records are being discovered all the time. These will be assessed, so once they are all verified, they will be incorporated onto the map and charts.
Found 2169 records
↳ 86 from After 2025
↳ 320 from 2020 - 2024
↳ 1763 from Before 2020
↳ 86 from After 2025
↳ 320 from 2020 - 2024
↳ 1763 from Before 2020
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.
******* Choose ONLY one at a time, of either Monad, Tetrad or Hectad Distribution - each has it's own set of data. Also, the distribution maps cover ALL recorded data. *******
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.
Monthly Records By Year: Selenia dentaria
Monthly Counts By Year: Selenia dentaria
Recordings By Year: Selenia dentaria
Annual Growth Rate (AGR): Selenia dentaria
AGR: -0.12% | Total % Change: -2.8%
Years Analysed: 2000 – 2024
Hectad (10kmx10km) Coverage: Selenia dentaria
Flight Periods – Indicative –vs– Recorded Data
Selenia dentaria
Selenia dentaria
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 2020-2025.
Records Behind the Map and Charts - Selenia dentaria – 2169 records available
Listed by Year - descending
| Taxon | Site Name | Tetrad | Year | Date | Count | Stage |
|---|---|---|---|---|---|---|
| Selenia dentaria | Allestree, Derby | SK33P | 2025 | 02/07/2025 | 1 | adult |
| Selenia dentaria | Staveley Derbyshire | SK47H | 2025 | 02/07/2025 | 1 | adult |
| Selenia dentaria | Wingerworth, Derbyshire | SK36Y | 2025 | 04/07/2025 | 1 | adult |
| Selenia dentaria | Inkersall garden | SK47G | 2025 | 04/07/2025 | 1 | adult |
| Selenia dentaria | Chaddesden Garden | SK33T | 2025 | 21/06/2025 | 1 | adult |
| Selenia dentaria | Shirland - Hallfieldgate Lane | SK35Z | 2025 | 29/06/2025 | 1 | adult |
| Selenia dentaria | Inkersall garden | SK47G | 2025 | 28/06/2025 | 1 | adult |
| Selenia dentaria | Norton Lees, Sheffield | SK38L | 2025 | 29/06/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 23/06/2025 | 1 | adult |
| Selenia dentaria | Miller's Dale | SK17G | 2025 | 27/06/2025 | 1 | adult |
| Selenia dentaria | Norton Lees, Sheffield | SK38L | 2025 | 30/06/2025 | 2 | adult |
| Selenia dentaria | Ingleby Ave, Derby | SK33L | 2025 | 24/06/2025 | 1 | adult |
| Selenia dentaria | Staveley garden S433YA | SK47H | 2025 | 28/06/2025 | 4 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 30/06/2025 | 2 | adult |
| Selenia dentaria | Miller's Dale | SK17G | 2025 | 02/05/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 03/05/2025 | 1 | adult |
| Selenia dentaria | Inkersall garden | SK47G | 2025 | 11/04/2025 | 1 | adult |
| Selenia dentaria | Melbourne, Derbyshire | SK32X | 2025 | 11/04/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 22/04/2025 | 2 | adult |
| Selenia dentaria | Norton Lees, Sheffield | SK38L | 2025 | 12/04/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 28/04/2025 | 1 | adult |
| Selenia dentaria | Staveley Derbyshire | SK47H | 2025 | 12/04/2025 | 1 | adult |
| Selenia dentaria | Mellor | SJ98Z | 2025 | 28/04/2025 | 1 | adult |
| Selenia dentaria | Allestree, Derby | SK33P | 2025 | 01/04/2025 | 5 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 14/04/2025 | 1 | adult |
| Selenia dentaria | Park Head, Crich. | SK35M | 2025 | 27/04/2025 | 1 | adult |
| Selenia dentaria | Darwin Forest | SK26X | 2025 | 03/04/2025 | 1 | adult |
| Selenia dentaria | Sheffield | SK38M | 2025 | 12/04/2025 | 1 | adult |
| Selenia dentaria | Drakelow, Derbys. | SK22F | 2025 | 05/04/2025 | 4 | adult |
| Selenia dentaria | Belper, Derbyshire | SK34N | 2025 | 17/04/2025 | 2 | adult |
| Selenia dentaria | Belper | SK34U | 2025 | 11/04/2025 | 1 | adult |
| Selenia dentaria | Allestree, Derby | SK33P | 2025 | 21/04/2025 | 1 | adult |
| Selenia dentaria | Belper | SK34U | 2025 | 12/04/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 30/04/2025 | 1 | adult |
| Selenia dentaria | Stonebroom | SK45E | 2025 | 01/04/2025 | 2 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 10/04/2025 | 1 | adult |
| Selenia dentaria | Darwin Forest | SK26X | 2025 | 01/04/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 15/04/2025 | 1 | adult |
| Selenia dentaria | Ladycroft Ave, Buxton | SK07S | 2025 | 17/04/2025 | 1 | adult |
| Selenia dentaria | Midway, Derbys. | SK32A | 2025 | 03/04/2025 | 2 | adult |
| Selenia dentaria | Sheffield | SK38M | 2025 | 15/04/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 07/04/2025 | 4 | adult |
| Selenia dentaria | Ladycroft Ave, Buxton | SK07S | 2025 | 10/04/2025 | 1 | adult |
| Selenia dentaria | Stone Barn Farm Clowne Derbyshire | SK57C | 2025 | 11/04/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 23/04/2025 | 1 | adult |
| Selenia dentaria | Froggatt | SK27N | 2025 | 12/04/2025 | 3 | adult |
| Selenia dentaria | Mellor | SJ98Z | 2025 | 07/04/2025 | 1 | adult |
| Selenia dentaria | Ashford in the Water, Old Marble Mill | SK16Z | 2025 | 14/04/2025 | 1 | adult |
| Selenia dentaria | Allestree, Derby | SK33P | 2025 | 04/04/2025 | 2 | adult |
| Selenia dentaria | Inkersall garden | SK47G | 2025 | 18/04/2025 | 2 | adult |
| Selenia dentaria | Stonebroom | SK45E | 2025 | 29/04/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 03/04/2025 | 3 | adult |
| Selenia dentaria | Staveley Derbyshire | SK47H | 2025 | 04/04/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 05/04/2025 | 1 | adult |
| Selenia dentaria | Ladycroft Ave, Buxton | SK07S | 2025 | 11/04/2025 | 2 | adult |
| Selenia dentaria | Markham Vale Derbyshire | SK47K | 2025 | 22/04/2025 | 1 | adult |
| Selenia dentaria | Darley Dale | SK26X | 2025 | 11/04/2025 | 1 | |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 26/04/2025 | 1 | adult |
| Selenia dentaria | Shirland - Hallfieldgate Lane | SK35Z | 2025 | 12/04/2025 | 1 | adult |
| Selenia dentaria | Mellor | SJ98Z | 2025 | 27/04/2025 | 1 | adult |
| Selenia dentaria | Allestree, Derby | SK33P | 2025 | 04/04/2025 | 2 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 17/04/2025 | 2 | adult |
| Selenia dentaria | Sheffield | SK38M | 2025 | 11/04/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 22/03/2025 | 2 | adult |
| Selenia dentaria | King's Newton | SK32Y | 2025 | 30/03/2025 | 1 | adult |
| Selenia dentaria | Belper, Derbyshire | SK34N | 2025 | 30/03/2025 | 2 | adult |
| Selenia dentaria | Shirland - Hallfieldgate Lane | SK35Z | 2025 | 30/03/2025 | 1 | adult |
| Selenia dentaria | Ilkeston, Derbyshire | SK44K | 2025 | 28/03/2025 | 2 | adult |
| Selenia dentaria | Belper | SK34N | 2025 | 20/03/2025 | 1 | adult |
| Selenia dentaria | Froggatt | SK27N | 2025 | 24/03/2025 | 3 | adult |
| Selenia dentaria | Ladycroft Ave, Buxton | SK07S | 2025 | 30/03/2025 | 1 | adult |
| Selenia dentaria | Markham Vale South Tip Perimeter | SK47K | 2025 | 27/03/2025 | 4 | adult |
| Selenia dentaria | Shirland - Hallfieldgate Lane | SK35Z | 2025 | 30/03/2025 | 1 | adult |
| Selenia dentaria | Allestree, Derby | SK33P | 2025 | 21/03/2025 | 1 | adult |
| Selenia dentaria | Belper | SK34U | 2025 | 23/03/2025 | 2 | adult |
| Selenia dentaria | Inkersall garden | SK47G | 2025 | 24/03/2025 | 1 | adult |
| Selenia dentaria | Staveley garden S433YA | SK47H | 2025 | 30/03/2025 | 3 | adult |
| Selenia dentaria | Ilkeston, Derbyshire | SK44K | 2025 | 16/03/2025 | 1 | adult |
| Selenia dentaria | Darwin Forest | SK26X | 2025 | 31/03/2025 | 1 | adult |
| Selenia dentaria | Staveley Derbyshire | SK47H | 2025 | 21/03/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 27/03/2025 | 2 | adult |
| Selenia dentaria | Ingleby Avenue, Derby | SK33L | 2025 | 30/03/2025 | 2 | adult |
| Selenia dentaria | Ilkeston, Derbyshire | SK44K | 2025 | 21/03/2025 | 2 | adult |
| Selenia dentaria | Markham Vale Derbyshire | SK47K | 2025 | 31/03/2025 | 1 | adult |
| Selenia dentaria | Sandiacre Garden | SK43T | 2025 | 22/03/2025 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2025 | 21/03/2025 | 3 | adult |
| Selenia dentaria | Ladycroft Ave, Buxton | SK07S | 2024 | 01/08/2024 | 1 | adult |
| Selenia dentaria | Staveley Derbyshire | SK47H | 2024 | 07/08/2024 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2024 | 19/08/2024 | 1 | adult |
| Selenia dentaria | Lower Cromford Garden | SK25Y | 2024 | 09/08/2024 | 1 | adult |
| Selenia dentaria | Park Head, Crich. | SK35M | 2024 | 04/08/2024 | 1 | adult |
| Selenia dentaria | upper cromford garden | SK25Y | 2024 | 02/08/2024 | 1 | adult |
| Selenia dentaria | Hathersage | SK28F | 2024 | 01/08/2024 | 1 | adult |
| Selenia dentaria | Ladycroft Ave, Buxton | SK07S | 2024 | 03/08/2024 | 2 | adult |
| Selenia dentaria | Longdendale, Wildboar Clough Woodland | SK09U | 2024 | 11/08/2024 | 1 | adult |
| Selenia dentaria | Darley Bridge | SK26Q | 2024 | 03/08/2024 | 1 | |
| Selenia dentaria | Ladycroft Ave, Buxton | SK07S | 2024 | 05/08/2024 | 1 | adult |
| Selenia dentaria | Lower Cromford Garden | SK25Y | 2024 | 30/07/2024 | 1 | adult |
| Selenia dentaria | Norton Lees, Sheffield (VC57) | SK38L | 2024 | 23/07/2024 | 1 | adult |
| Selenia dentaria | Mellor | SJ98Z | 2024 | 14/07/2024 | 1 | adult |
Sensible limit reached – too many records to list on the page